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_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

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