Varnish integration metrics

The official Datadog integration for monitoring Varnish. It collects 469 metrics.

Definitions as of 2026-04-15

Official summary

Track client and backend connections, cache misses and evictions, and more.

Metric types

gauge (value at a point in time): 469

Metrics

Descriptions are the official definitions, unedited.

Metric	Type	Unit
`varnish.LCK.backend.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.backend.creat`Created locks.	gauge	lock/second
`varnish.LCK.backend.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.backend.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.backend.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.backend.locks`Lock operations.	gauge	lock/second
`varnish.LCK.backend_tcp.creat`Created locks LCK. This metric is only provided by varnish <= 5.x	gauge	lock/second
`varnish.LCK.backend_tcp.destroy`Destroyed locks LCK. This metric is only provided by varnish <=5.x.	gauge	lock/second
`varnish.LCK.backend_tcp.locks`Lock Operations LCK.This metric is only provided by varnish <=5.x.	gauge	lock/second
`varnish.LCK.ban.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.ban.creat`Created locks.	gauge	lock/second
`varnish.LCK.ban.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.ban.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.ban.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.ban.locks`Lock operations.	gauge	lock/second
`varnish.LCK.busyobj.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.busyobj.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.busyobj.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.busyobj.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.busyobj.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.cli.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.cli.creat`Created locks.	gauge	lock/second
`varnish.LCK.cli.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.cli.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.cli.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.cli.locks`Lock operations.	gauge	lock/second
`varnish.LCK.exp.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.exp.creat`Created locks.	gauge	lock/second
`varnish.LCK.exp.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.exp.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.exp.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.exp.locks`Lock operations.	gauge	lock/second
`varnish.LCK.hcb.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.hcb.creat`Created locks.	gauge	lock/second
`varnish.LCK.hcb.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.hcb.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.hcb.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.hcb.locks`Lock operations.	gauge	lock/second
`varnish.LCK.hcl.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.hcl.creat`Created locks.	gauge	lock/second
`varnish.LCK.hcl.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.hcl.locks`Lock operations.	gauge	lock/second
`varnish.LCK.herder.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.herder.creat`Created locks.	gauge	lock/second
`varnish.LCK.herder.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.herder.locks`Lock operations.	gauge	lock/second
`varnish.LCK.hsl.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.hsl.creat`Created locks.	gauge	lock/second
`varnish.LCK.hsl.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.hsl.locks`Lock operations.	gauge	lock/second
`varnish.LCK.lru.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.lru.creat`Created locks.	gauge	lock/second
`varnish.LCK.lru.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.lru.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.lru.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.lru.locks`Lock operations.	gauge	lock/second
`varnish.LCK.mempool.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.mempool.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.mempool.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.mempool.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.mempool.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.nbusyobj.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.nbusyobj.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.nbusyobj.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.objhdr.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.objhdr.creat`Created locks.	gauge	lock/second
`varnish.LCK.objhdr.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.objhdr.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.objhdr.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.objhdr.locks`Lock operations.	gauge	lock/second
`varnish.LCK.perpool.creat`Created locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.perpool.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.perpool.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.perpool.destroy`Destroyed locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.perpool.locks`Created locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.pipestat.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.pipestat.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.pipestat.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.pipestat.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.pipestat.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.probe.creat`Created locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.probe.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.probe.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.probe.destroy`Destroyed locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.probe.locks`Created locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.sess.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.sess.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.sess.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.sess.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.sess.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.sessmem.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.sessmem.creat`Created locks.	gauge	lock/second
`varnish.LCK.sessmem.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.sessmem.locks`Lock operations.	gauge	lock/second
`varnish.LCK.sma.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.sma.creat`Created locks.	gauge	lock/second
`varnish.LCK.sma.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.sma.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.sma.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.sma.locks`Lock operations.	gauge	lock/second
`varnish.LCK.smf.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.smf.creat`Created locks.	gauge	lock/second
`varnish.LCK.smf.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.smf.locks`Lock operations.	gauge	lock/second
`varnish.LCK.smp.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.smp.creat`Created locks.	gauge	lock/second
`varnish.LCK.smp.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.smp.locks`Lock operations.	gauge	lock/second
`varnish.LCK.sms.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.sms.creat`Created locks.	gauge	lock/second
`varnish.LCK.sms.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.sms.locks`Lock operations.	gauge	lock/second
`varnish.LCK.stat.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.stat.creat`Created locks. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.stat.destroy`Destroyed locks. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.stat.locks`Lock operations. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.tcp_pool.creat`Created locks	gauge	lock/second
`varnish.LCK.tcp_pool.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.tcp_pool.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.tcp_pool.destroy`Destroyed locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.tcp_pool.locks`Created locks. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vbe.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.vbe.creat`Created locks. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.vbe.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vbe.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vbe.destroy`Destroyed locks. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.vbe.locks`Lock operations. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.vbp.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.vbp.creat`Created locks.	gauge	lock/second
`varnish.LCK.vbp.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.vbp.locks`Lock operations.	gauge	lock/second
`varnish.LCK.vcapace.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.vcapace.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vcapace.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vcapace.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.vcapace.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.vcl.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.vcl.creat`Created locks.	gauge	lock/second
`varnish.LCK.vcl.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vcl.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vcl.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.vcl.locks`Lock operations.	gauge	lock/second
`varnish.LCK.vxid.creat`Created locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.vxid.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vxid.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.vxid.destroy`Destroyed locks. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.vxid.locks`Lock operations. This metric is only provided by varnish >=4.x.	gauge	lock/second
`varnish.LCK.waiter.creat`Created locks.	gauge	lock/second
`varnish.LCK.waiter.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.waiter.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.waiter.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.waiter.locks`Lock operations.	gauge	lock/second
`varnish.LCK.wq.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.wq.creat`Created locks.	gauge	lock/second
`varnish.LCK.wq.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.wq.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.wq.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.wq.locks`Lock operations.	gauge	lock/second
`varnish.LCK.wstat.colls`Collisions. This metric is only provided by varnish 3.x.	gauge	lock/second
`varnish.LCK.wstat.creat`Created locks.	gauge	lock/second
`varnish.LCK.wstat.dbg_busy`Contended lock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.wstat.dbg_try_fail`Contended trylock operations. This metric is only available from >=6.x.	gauge	lock/second
`varnish.LCK.wstat.destroy`Destroyed locks.	gauge	lock/second
`varnish.LCK.wstat.locks`Lock operations.	gauge	lock/second
`varnish.MEMPOOL.busyobj.allocs`Allocations. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.busyobj.frees`Frees. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.busyobj.live`In use. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.busyobj.pool`In pool. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.busyobj.randry`Pool ran dry. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.busyobj.recycle`Recycled from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.busyobj.surplus`Too many for pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.busyobj.sz_actual`Actual size. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.busyobj.sz_needed`Size allocated. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.busyobj.sz_wanted`Size requested. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.busyobj.timeout`Timed out from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.busyobj.toosmall`Too small to recycle. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.allocs`Allocations. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.frees`Frees. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.live`In use. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.req0.pool`In pool. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.req0.randry`Pool ran dry. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.recycle`Recycled from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.surplus`Too many for pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.sz_actual`Actual size. This metric is only provided by varnish >=4.x.	gauge	event
`varnish.MEMPOOL.req0.sz_needed`Size allocated. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.req0.sz_wanted`Size requested. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.req0.timeout`Timed out from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req0.toosmall`Too small to recycle. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.allocs`Allocations. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.frees`Frees. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.live`In use. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.req1.pool`In pool. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.req1.randry`Pool ran dry. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.recycle`Recycled from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.surplus`Too many for pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.sz_actual`Actual size. This metric is only provided by varnish >=4.x.	gauge	event
`varnish.MEMPOOL.req1.sz_needed`Size allocated. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.req1.sz_wanted`Size requested. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.req1.timeout`Timed out from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.req1.toosmall`Too small to recycle. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.allocs`Allocations. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.frees`Frees. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.live`In use. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.sess0.pool`In pool. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.sess0.randry`Pool ran dry. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.recycle`Recycled from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.surplus`Too many for pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.sz_actual`Actual size. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.sess0.sz_needed`Size allocated. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.sess0.sz_wanted`Size requested. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.sess0.timeout`Timed out from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess0.toosmall`Too small to recycle. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.allocs`Allocations. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.frees`Frees. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.live`In use. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.sess1.pool`In pool. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.sess1.randry`Pool ran dry. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.recycle`Recycled from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.surplus`Too many for pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.sz_actual`Actual size. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.sess1.sz_needed`Size allocated. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.sess1.sz_wanted`Size requested. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.sess1.timeout`Timed out from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.sess1.toosmall`Too small to recycle. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.allocs`Allocations. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.frees`Frees. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.live`In use. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.vbc.pool`In pool. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.MEMPOOL.vbc.randry`Pool ran dry. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.recycle`Recycled from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.surplus`Too many for pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.sz_needed`Size allocated. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.vbc.sz_wanted`Size requested. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.MEMPOOL.vbc.timeout`Timed out from pool. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MEMPOOL.vbc.toosmall`Too small to recycle. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.MGT.child_died`Child processes that died due to signals. This metric is only provided by varnish >=4.x.	gauge	process/second
`varnish.MGT.child_dump`Child processes that produced core dumps. This metric is only provided by varnish >=4.x.	gauge	process/second
`varnish.MGT.child_exit`Child processes the were cleanly stopped. This metric is only provided by varnish >=4.x.	gauge	process/second
`varnish.MGT.child_panic`Child processes that panicked. This metric is only provided by varnish >=4.x.	gauge	process/second
`varnish.MGT.child_start`Child processes that started. This metric is only provided by varnish >=4.x.	gauge	process/second
`varnish.MGT.child_stop`Child processes that exited with an unexpected return code. This metric is only provided by varnish >=4.x.	gauge	process/second
`varnish.MGT.uptime`Management process uptime. This metric is only provided by varnish >=4.x.	gauge	second
`varnish.SMA.Transient.c_bytes`Total space allocated by this storage.	gauge	byte/second
`varnish.SMA.Transient.c_fail`Times the storage has failed to provide a storage segment.	gauge	event/second
`varnish.SMA.Transient.c_freed`Total space returned to this storage.	gauge	byte/second
`varnish.SMA.Transient.c_req`Times the storage has been asked to provide a storage segment.	gauge	event/second
`varnish.SMA.Transient.g_alloc`Storage allocations outstanding.	gauge	event
`varnish.SMA.Transient.g_bytes`Space allocated from the storage.	gauge	byte
`varnish.SMA.Transient.g_space`Space left in the storage.	gauge	byte
`varnish.SMA.s0.c_bytes`Total space allocated by this storage.	gauge	byte/second
`varnish.SMA.s0.c_fail`Times the storage has failed to provide a storage segment.	gauge	event/second
`varnish.SMA.s0.c_freed`Total space returned to this storage.	gauge	byte/second
`varnish.SMA.s0.c_req`Times the storage has been asked to provide a storage segment.	gauge	event/second
`varnish.SMA.s0.g_alloc`Storage allocations outstanding.	gauge	event
`varnish.SMA.s0.g_bytes`Space allocated from the storage.	gauge	byte
`varnish.SMA.s0.g_space`Space left in the storage.	gauge	byte
`varnish.VBE.boot.default.bereq_bodybytes`Request body bytes	gauge	byte/second
`varnish.VBE.boot.default.bereq_hdrbytes`Request header bytes	gauge	byte/second
`varnish.VBE.boot.default.beresp_bodybytes`Response body bytes	gauge	byte/second
`varnish.VBE.boot.default.beresp_hdrbytes`Response header bytes	gauge	byte/second
`varnish.VBE.boot.default.busy`Number of times the max_connections limit was reached. This metric is only available from >=6.x.	gauge	event/second
`varnish.VBE.boot.default.conn`Concurrent connections used. This metric is only available from >=6.x.	gauge	connection
`varnish.VBE.boot.default.fail`Connections failed. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.fail_eacces`Connections failed with EACCES or EPERM. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.fail_eaddrnotavail`Connections failed with EADDRNOTAVAIL. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.fail_econnrefused`Connections failed with ECONNREFUSED. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.fail_enetunreach`Connections failed with ENETUNREACH. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.fail_etimedout`Connections failed ETIMEDOUT. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.fail_other`Connections failed for other reason. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.helddown`Connection opens not attempted. This metric is only available from >=6.x.	gauge	connection/second
`varnish.VBE.boot.default.pipe_hdrbytes`Pipe request header bytes	gauge	byte/second
`varnish.VBE.boot.default.pipe_in`Piped bytes from backend	gauge	byte/second
`varnish.VBE.boot.default.pipe_out`Piped bytes to backend	gauge	byte/second
`varnish.VBE.boot.default.req`Backend requests sent	gauge	request/second
`varnish.VBE.boot.default.unhealthy`Fetches not attempted due to backend being unhealthy. This metric is only available from >=6.x.	gauge	operation/second
`varnish.accept_fail`Accept failures. This metric is only provided by varnish 3.x.	gauge	connection/second
`varnish.backend_busy`Maximum number of connections to a given backend.	gauge	connection/second
`varnish.backend_conn`Successful connections to a given backend.	gauge	connection/second
`varnish.backend_fail`Failed connections for a given backend.	gauge	connection/second
`varnish.backend_recycle`Backend connections with keep-alive that are returned to the pool of connections.	gauge	connection/second
`varnish.backend_req`Backend requests.	gauge	request/second
`varnish.backend_retry`Backend connection retries.	gauge	connection/second
`varnish.backend_reuse`Recycled connections that has were reused.	gauge	connection/second
`varnish.backend_toolate`Backend connections closed because they were idle too long.	gauge	connection/second
`varnish.backend_unhealthy`Backend connections not tried because the backend was unhealthy.	gauge	connection/second
`varnish.bans`Bans in system, including bans superseded by newer bans and bans already checked by the ban-lurker. This metric is only provided by varnish >=4.x.	gauge	object
`varnish.bans_added`Bans added to ban list. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_completed`Bans which are no longer active, either because they got checked by the ban-lurker or superseded by newer identical bans. This metric is only provided by varnish >=4.x.	gauge	object
`varnish.bans_deleted`Bans deleted from ban list. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_dups`Bans replaced by later identical bans. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_lurker_contention`Times the ban-lurker waited for lookups. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.bans_lurker_obj_killed`Objects killed by ban-lurker. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_lurker_obj_killed_cutoff`Objects killed by ban-lurker for cutoff. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_lurker_tested`Bans and objects tested against each other by the ban-lurker. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_lurker_tests_tested`Tests and objects tested against each other by the ban-lurker. 'ban req.url == foo && req.http.host == bar' counts as one in 'bans_tested' and as two in 'bans_tests_tested'. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_obj`Bans which use obj.* variables. These bans can possibly be washed by the ban-lurker. This metric is only provided by varnish >=4.x.	gauge	object
`varnish.bans_obj_killed`Objects killed by bans during object lookup. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_persisted_bytes`Bytes used by the persisted ban lists. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.bans_persisted_fragmentation`Extra bytes accumulated through dropped and completed bans in the persistent ban lists. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.bans_req`Bans which use req.* variables. These bans can not be washed by the ban-lurker. This metric is only provided by varnish >=4.x.	gauge	object
`varnish.bans_tested`Bans and objects tested against each other during hash lookup. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.bans_tests_tested`Tests and objects tested against each other during lookup. 'ban req.url == foo && req.http.host == bar' counts as one in 'bans_tested' and as two in 'bans_tests_tested'. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.beresp_shortlived`Count of objects created with ttl+grace+keep shorter than the shortlived runtime parameter. This metric is only available from >=6.x.	gauge	object/second
`varnish.beresp_uncacheable`Uncacheable backend responses. This metric is only available from >=6.x.	gauge	response/second
`varnish.busy_killed`Requests killed.	gauge	request/second
`varnish.busy_sleep`Requests sent to sleep without a worker thread because they found a busy object. This metric is only provided by varnish >=4.x.	gauge	request/second
`varnish.busy_wakeup`Requests taken off the busy object sleep list and and rescheduled. This metric is only provided by varnish >=4.x.	gauge	request/second
`varnish.cache_hit`Requests served from the cache.	gauge	request/second
`varnish.cache_hit_grace`Count of cache hits with grace. A cache hit with grace is a cache hit where the object is expired. Note that such hits are also included in the cache_hit counter. This metric is only available from >=6.x.	gauge	request/second
`varnish.cache_hitmiss`Cache hits for miss	gauge	request/second
`varnish.cache_hitpass`Requests passed to a backend where the decision to pass them found in the cache.	gauge	request/second
`varnish.cache_miss`Requests fetched from a backend server.	gauge	request/second
`varnish.client_conn`Client connections accepted. This metric is only provided by varnish 3.x.	gauge	connection/second
`varnish.client_drop`Client connection dropped, no session. This metric is only provided by varnish 3.x.	gauge	connection/second
`varnish.client_drop_late`Client connection dropped late. This metric is only provided by varnish 3.x.	gauge	connection/second
`varnish.client_req`Parseable client requests seen.	gauge	request/second
`varnish.client_req_400`Requests that were malformed in some drastic way. This metric is only provided by varnish >=4.x.	gauge	request/second
`varnish.client_req_411`Requests that were missing a Content-Length: header. This metric is only provided by varnish >=4.x.	gauge	request/second
`varnish.client_req_413`Requests that were too big. This metric is only provided by varnish >=4.x.	gauge	request/second
`varnish.client_req_417`Requests with a bad Expect: header. This metric is only provided by varnish >=4.x.	gauge	request/second
`varnish.client_resp_500`Number of times we failed a response due to running out of workspace memory during delivery. This metric is only available from >=6.x.	gauge	request/second
`varnish.dir_dns_cache_full`DNS director full DNS cache. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.dir_dns_failed`DNS director failed lookup. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.dir_dns_hit`DNS director cached lookup hit. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.dir_dns_lookups`DNS director lookups. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.esi_errors`Edge Side Includes (ESI) parse errors.	gauge	event/second
`varnish.esi_warnings`Edge Side Includes (ESI) parse warnings.	gauge	event/second
`varnish.exp_mailed`Objects mailed to expiry thread for handling. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.exp_received`Objects received by expiry thread for handling. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.fetch_1xx`Back end response with no body because of 1XX response (Informational).	gauge	response/second
`varnish.fetch_204`Back end response with no body because of 204 response (No Content).	gauge	response/second
`varnish.fetch_304`Back end response with no body because of 304 response (Not Modified).	gauge	response/second
`varnish.fetch_bad`Back end response's body length could not be determined and/or had bad headers.	gauge	response/second
`varnish.fetch_chunked`Back end response bodies that were chunked.	gauge	response/second
`varnish.fetch_close`Fetch wanted close.	gauge	response/second
`varnish.fetch_eof`Back end response bodies with EOF.	gauge	response/second
`varnish.fetch_failed`Back end response fetches that failed.	gauge	response/second
`varnish.fetch_head`Back end HEAD requests.	gauge	response/second
`varnish.fetch_length`Back end response bodies with Content-Length.	gauge	response/second
`varnish.fetch_no_thread`Back end fetches that failed because no thread was available. This metric is only provided by varnish >=4.x.	gauge	response/second
`varnish.fetch_none`Back end response with no body.	gauge	response/second
`varnish.fetch_oldhttp`Number of responses served by backends with http < 1.1	gauge	response/second
`varnish.fetch_zero`Number of responses that have zero length.	gauge	response/second
`varnish.hcb_insert`HCB inserts.	gauge	event/second
`varnish.hcb_lock`HCB lookups with lock.	gauge	event/second
`varnish.hcb_nolock`HCB lookups without lock.	gauge	event/second
`varnish.losthdr`HTTP header overflows.	gauge	event/second
`varnish.n_backend`Number of backends.	gauge	-
`varnish.n_ban`Active bans. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_ban_add`New bans added. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_ban_dups`Duplicate bans removed. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_ban_obj_test`Objects tested. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_ban_re_test`Regexps tested against. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_ban_retire`Old bans deleted. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_expired`Objects that expired from cache because of TTL.	gauge	object/second
`varnish.n_gunzip`Gunzip operations.	gauge	event/second
`varnish.n_gzip`Gzip operations.	gauge	event/second
`varnish.n_lru_limited`Number of times more storage space were needed but limit was reached in a nuke_limit. This metric is only available from >=6.x.	gauge	operation/second
`varnish.n_lru_moved`Move operations done on the LRU list..	gauge	operation/second
`varnish.n_lru_nuked`Objects forcefully evicted from storage to make room for new objects.	gauge	operation/second
`varnish.n_obj_purged`Purged objects. This metric is only provided by varnish >=4.x.	gauge	object/second
`varnish.n_object`object structs made.	gauge	object
`varnish.n_objectcore`objectcore structs made.	gauge	object
`varnish.n_objecthead`objecthead structs made.	gauge	object
`varnish.n_objoverflow`Objects overflowing workspace. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_objsendfile`Objects sent with sendfile. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_objwrite`Objects sent with write. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_pipe`Number of ongoing pipe sessions. This metric is only available from >=6.x.	gauge	session
`varnish.n_purges`Purges executed. This metric is only provided by varnish >=4.x.	gauge	event/second
`varnish.n_purgesps`Purges executed. This metric is only provided by varnish <=6.x.	gauge	event/second
`varnish.n_sess`sess structs made. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_sess_mem`sess_mem structs made. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_test_gunzip`Test gunzip operations	gauge	operation/second
`varnish.n_vampireobject`Unresurrected objects.	gauge	object
`varnish.n_vbc`vbc structs made. This metric is only provided by varnish 3.x.	gauge	object/second
`varnish.n_vcl`Total VCLs loaded.	gauge	object
`varnish.n_vcl_avail`Available VCLs.	gauge	object
`varnish.n_vcl_discard`Discarded VCLs.	gauge	object
`varnish.n_waitinglist`waitinglist structs made.	gauge	object/second
`varnish.n_wrk`Worker threads. This metric is only provided by varnish 3.x.	gauge	thread/second
`varnish.n_wrk_create`Worker threads created. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.n_wrk_drop`Dropped work requests. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.n_wrk_failed`Worker threads not created. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.n_wrk_lqueue`Work request queue length. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.n_wrk_max`Worker threads limited. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.n_wrk_queued`Queued work requests. This metric is only provided by varnish 3.x.	gauge	event/second
`varnish.pipe_limited`Number of times more pipes were needed but the limit was reached. This metric is only available from >=6.x.	gauge	event/second
`varnish.pools`Thread pools. This metric is only provided by varnish >=4.x.	gauge	-
`varnish.req_dropped`Requests dropped	gauge	request/second
`varnish.s_bodybytes`Total body size. This metric is only provided by varnish 3.x.	gauge	byte/second
`varnish.s_fetch`Backend fetches.	gauge	request/second
`varnish.s_hdrbytes`Total header size. This metric is only provided by varnish 3.x.	gauge	byte/second
`varnish.s_pass`Passed requests.	gauge	request/second
`varnish.s_pipe`Pipe sessions seen.	gauge	connection/second
`varnish.s_pipe_hdrbytes`Total request bytes received for piped sessions. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_pipe_in`Total number of bytes forwarded from clients in pipe sessions. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_pipe_out`Total number of bytes forwarded to clients in pipe sessions. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_req`Requests.	gauge	request/second
`varnish.s_req_bodybytes`Total request body bytes received. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_req_hdrbytes`Total request header bytes received. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_resp_bodybytes`Total response body bytes transmitted. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_resp_hdrbytes`Total response header bytes transmitted. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.s_sess`Client connections.	gauge	connection/second
`varnish.s_synth`Synthetic responses made. This metric is only provided by varnish >=4.x.	gauge	response/second
`varnish.sc_overload`Session Err OVERLOAD	gauge	session/second
`varnish.sc_pipe_overflow`Session Err PIPE_OVERFLOW	gauge	session/second
`varnish.sc_range_short`Session Err RANGE_SHORT	gauge	session/second
`varnish.sc_rem_close`Session OK REM_CLOSE	gauge	session/second
`varnish.sc_req_close`Session OK REQ_CLOSE	gauge	session/second
`varnish.sc_req_http10`Session Err REQ_HTTP10	gauge	session/second
`varnish.sc_req_http20`Session Err REQ_HTTP20	gauge	session/second
`varnish.sc_resp_close`Session OK RESP_CLOSE	gauge	session/second
`varnish.sc_rx_bad`Session Err RX_BAD	gauge	session/second
`varnish.sc_rx_body`Session Err RX_BODY	gauge	session/second
`varnish.sc_rx_close_idle`Session Err RX_CLOSE_IDLE. This metric is only available from >=6.x.	gauge	session/second
`varnish.sc_rx_junk`Session Err RX_JUNK	gauge	session/second
`varnish.sc_rx_overflow`Session Err RX_OVERFLOW	gauge	session/second
`varnish.sc_rx_timeout`Session Err RX_TIMEOUT	gauge	session/second
`varnish.sc_tx_eof`Session OK TX_EOF	gauge	session/second
`varnish.sc_tx_error`Session Err TX_ERROR	gauge	session/second
`varnish.sc_tx_pipe`Session OK TX_PIPE	gauge	session/second
`varnish.sc_vcl_failure`Session Err VCL_FAILURE	gauge	session/second
`varnish.sess_closed`Client connections closed.	gauge	connection/second
`varnish.sess_closed_err`Client connections closed with error.	gauge	connection/second
`varnish.sess_conn`Client connections accepted. This metric is only provided by varnish >=4.x.	gauge	connection/second
`varnish.sess_drop`Client connections dropped due to lack of worker thread. This metric is only provided by varnish 4.x and 5.x.	gauge	connection/second
`varnish.sess_dropped`Client connections dropped due to a full queue. This metric is only provided by varnish >=4.x.	gauge	connection/second
`varnish.sess_fail`Failures to accept a TCP connection. Either the client changed its mind, or the kernel ran out of some resource like file descriptors. This metric is only provided by varnish >=4.x.	gauge	connection/second
`varnish.sess_fail_ebadf`Session accept failures: bad file descriptor. This metric is only available from >=6.x.	gauge	error/second
`varnish.sess_fail_econnaborted`Session accept failures: connection aborted. This metric is only available from >=6.x.	gauge	error/second
`varnish.sess_fail_eintr`Session accept failures: interrupted system call. This metric is only available from >=6.x.	gauge	error/second
`varnish.sess_fail_emfile`Session accept failures: too many open files. This metric is only available from >=6.x.	gauge	error/second
`varnish.sess_fail_enomem`Session accept failures: not enough memory. This metric is only available from >=6.x.	gauge	error/second
`varnish.sess_fail_other`Session accept failures: other. This metric is only available from >=6.x.	gauge	error/second
`varnish.sess_herd`Session herd	gauge	connection/second
`varnish.sess_linger`This metric is only provided by varnish 3.x.	gauge	connection/second
`varnish.sess_pipe_overflow`This metric is only provided by varnish >=4.x.	gauge	connection/second
`varnish.sess_pipeline`Session Pipeline	gauge	connection/second
`varnish.sess_queued`Client connections queued to wait for a thread. This metric is only provided by varnish >=4.x.	gauge	connection/second
`varnish.sess_readahead`Session Read Ahead	gauge	connection/second
`varnish.shm_cont`SHM MTX contention.	gauge	event/second
`varnish.shm_cycles`SHM cycles through buffer.	gauge	event/second
`varnish.shm_flushes`SHM flushes due to overflow.	gauge	event/second
`varnish.shm_records`SHM records.	gauge	event/second
`varnish.shm_writes`SHM writes.	gauge	event/second
`varnish.sms_balloc`SMS space allocated.	gauge	byte
`varnish.sms_bfree`SMS space freed.	gauge	byte
`varnish.sms_nbytes`SMS outstanding space.	gauge	byte
`varnish.sms_nobj`SMS outstanding allocations.	gauge	event
`varnish.sms_nreq`SMS allocator requests.	gauge	event
`varnish.summs`summ operations	gauge	operation/second
`varnish.thread_queue_len`Length of session queue waiting for threads. This metric is only provided by varnish >=4.x.	gauge	connection
`varnish.threads`Number of threads. This metric is only provided by varnish >=4.x.	gauge	thread
`varnish.threads_created`Threads created. This metric is only provided by varnish >=4.x.	gauge	thread/second
`varnish.threads_destroyed`Threads destroyed. This metric is only provided by varnish >=4.x.	gauge	thread/second
`varnish.threads_failed`Threads that failed to get created. This metric is only provided by varnish >=4.x.	gauge	thread/second
`varnish.threads_limited`Threads that were needed but couldn't be created because of a thread pool limit. This metric is only provided by varnish >=4.x.	gauge	thread/second
`varnish.uptime`stat summ operations	gauge	second
`varnish.vcl_fail`VCL failures	gauge	error/second
`varnish.vmods`Loaded VMODs. This metric is only provided by varnish >=4.x..	gauge	object
`varnish.vsm_cooling`Space which will soon (max 1 minute) be freed in the shared memory used to communicate with tools like varnishstat, varnishlog etc. This metric is only available from >=4.x.	gauge	byte
`varnish.vsm_free`Free space in the shared memory used to communicate with tools like varnishstat, varnishlog etc. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.vsm_overflow`Number of bytes which does not fit in the shared memory used to communicate with tools like varnishstat, varnishlog etc. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.vsm_overflowed`Total number of bytes which did not fit in the shared memory used to communicate with tools like varnishstat, varnishlog etc. This metric is only provided by varnish >=4.x.	gauge	byte/second
`varnish.vsm_used`Used space in the shared memory used to communicate with tools like varnishstat, varnishlog etc. This metric is only provided by varnish >=4.x.	gauge	byte
`varnish.ws_backend_overflow`workspace_backend overflows. This metric is only available from >=6.x.	gauge	event/second
`varnish.ws_client_overflow`workspace_client overflows. This metric is only available from >=6.x.	gauge	event/second
`varnish.ws_session_overflow`workspace_session overflows. This metric is only available from >=6.x.	gauge	event/second
`varnish.ws_thread_overflow`workspace_thread overflows. This metric is only available from >=6.x.	gauge	event/second

Official documentation

Official documentation for the Varnish integration

Metric names and descriptions are the official Datadog integration definitions (Copyright Datadog, Inc., BSD-3-Clause), reproduced unedited. The full license terms are on the About page.

Official summary

Metric types

Metrics

Official documentation

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