NAME

       varnish-counters - Varnish counter field definitions

MAIN COUNTERS

       client_conn – Client connections accepted

       client_drop – Connection dropped, no sess/wrk

       client_req – Client requests received

       cache_hit – Cache hits

       cache_hitpass – Cache hits for pass

       cache_miss – Cache misses

       backend_conn – Backend conn. success

       backend_unhealthy – Backend conn. not attempted

       backend_busy – Backend conn. too many

       backend_fail – Backend conn. failures

       backend_reuse – Backend conn. reuses

       backend_toolate – Backend conn. was closed

       backend_recycle – Backend conn. recycles

       backend_retry – Backend conn. retry

       fetch_head – Fetch head

       fetch_length – Fetch with Length

       fetch_chunked – Fetch chunked

       fetch_eof – Fetch EOF

       fetch_bad – Fetch had bad headers

       fetch_close – Fetch wanted close

       fetch_oldhttp – Fetch pre HTTP/1.1 closed

       fetch_zero – Fetch zero len

       fetch_failed – Fetch failed

       fetch_1xx – Fetch no body (1xx)

       fetch_204 – Fetch no body (204)

       fetch_304 – Fetch no body (304)

       n_sess_mem – N struct sess_mem

       n_sess – N struct sess

       n_object – N struct object

       n_vampireobject – N unresurrected objects

       n_objectcore – N struct objectcore

       n_objecthead – N struct objecthead

       n_waitinglist – N struct waitinglist

       n_vbc – N struct vbc

       n_wrk – N worker threads

       n_wrk_create – N worker threads created

       n_wrk_failed – N worker threads not created

       n_wrk_max – N worker threads limited

       n_wrk_lqueue – work request queue length

       n_wrk_queued – N queued work requests

       n_wrk_drop – N dropped work requests

       n_backend – N backends

       n_expired – N expired objects

       n_lru_nuked – N LRU nuked objects

       n_lru_moved – N LRU moved objects

       losthdr – HTTP header overflows

       n_objsendfile – Objects sent with sendfile

       n_objwrite – Objects sent with write

       n_objoverflow – Objects overflowing workspace

       s_sess – Total Sessions

       s_req – Total Requests

       s_pipe – Total pipe

       s_pass – Total pass

       s_fetch – Total fetch

       s_hdrbytes – Total header bytes

       s_bodybytes – Total body bytes

       sess_closed – Session Closed

       sess_pipeline – Session Pipeline

       sess_readahead – Session Read Ahead

       sess_linger – Session Linger

       sess_herd – Session herd

       shm_records – SHM records

       shm_writes – SHM writes

       shm_flushes – SHM flushes due to overflow

       shm_cont – SHM MTX contention

       shm_cycles – SHM cycles through buffer

       sms_nreq – SMS allocator requests

       sms_nobj – SMS outstanding allocations

       sms_nbytes – SMS outstanding bytes

       sms_balloc – SMS bytes allocated

       sms_bfree – SMS bytes freed

       backend_req – Backend requests made

       n_vcl – N vcl total

       n_vcl_avail – N vcl available

       n_vcl_discard – N vcl discarded

       n_ban – N total active bans

       n_ban_gone – N total gone bans

       n_ban_add – N new bans added

       n_ban_retire – N old bans deleted

       n_ban_obj_test – N objects tested

       n_ban_re_test – N regexps tested against

       n_ban_dups – N duplicate bans removed

       hcb_nolock – HCB Lookups without lock

       hcb_lock – HCB Lookups with lock

       hcb_insert – HCB Inserts

       esi_errors – ESI parse errors (unlock)

       esi_warnings – ESI parse warnings (unlock)

       accept_fail – Accept failures

       client_drop_late – Connection dropped late

       uptime – Client uptime

       dir_dns_lookups – DNS director lookups

       dir_dns_failed – DNS director failed lookups

       dir_dns_hit – DNS director cached lookups hit

       dir_dns_cache_full – DNS director full dnscache

       vmods – Loaded VMODs

       n_gzip – Gzip operations

       n_gunzip – Gunzip operations

       sess_pipe_overflow – Dropped sessions due to session pipe overflow

LOCK COUNTERS

       creat – Created locks

       destroy – Destroyed locks

       locks – Lock Operations

       colls – Collisions

PER MALLOC STORAGE COUNTERS

       c_req – Allocator requests

       c_fail – Allocator failures

       c_bytes – Bytes allocated

       c_freed – Bytes freed

       g_alloc – Allocations outstanding

       g_bytes – Bytes outstanding

       g_space – Bytes available

PER FILE STORAGE COUNTERS

       c_req – Allocator requests

       c_fail – Allocator failures

       c_bytes – Bytes allocated

       c_freed – Bytes freed

       g_alloc – Allocations outstanding

       g_bytes – Bytes outstanding

       g_space – Bytes available

       g_smf – N struct smf

       g_smf_frag – N small free smf

       g_smf_large – N large free smf

PER BACKEND COUNTERS

       vcls – VCL references

       happy – Happy health probes

AUTHOR

       Tollef Fog Heen