- Hitrate ratio: 10 84 84
 - Hitrate avg: 0.9895 0.8810 0.8810
 - 7531 0.00 0.13 Client connections accepted
 - 7933 0.00 0.13 Client requests received
 - 6870 0.00 0.12 Cache hits
 - 577 0.00 0.01 Cache misses
 - 163 0.00 0.00 Backend conn. success
 - 2 0.00 0.00 Backend conn. failures
 - 898 0.00 0.02 Backend conn. reuses
 - 152 0.00 0.00 Backend conn. was closed
 - 1052 0.00 0.02 Backend conn. recycles
 - 720 0.00 0.01 Fetch with Length
 - 253 0.00 0.00 Fetch chunked
 - 88 0.00 0.00 Fetch zero len
 
- Hitrate ratio: 10 84 84
 - Hitrate avg: 0.9895 0.8810 0.8810
 - 7531 0.00 0.13 Client connections accepted
 - 7933 0.00 0.13 Client requests received
 - 6870 0.00 0.12 Cache hits
 - 577 0.00 0.01 Cache misses
 - 163 0.00 0.00 Backend conn. success
 - 2 0.00 0.00 Backend conn. failures
 - 898 0.00 0.02 Backend conn. reuses
 - 152 0.00 0.00 Backend conn. was closed
 - 1052 0.00 0.02 Backend conn. recycles
 - 720 0.00 0.01 Fetch with Length
 - 253 0.00 0.00 Fetch chunked
 - 88 0.00 0.00 Fetch zero len
 
- client_conn 7169 0.12 Client connections accepted 【每秒处理连接数】
 - client_drop 0 0.00 Connection dropped, no sess/wrk
 - client_req 7571 0.13 Client requests received
 - 【经验表明connection:request=1:10左右时比较理想,代表到目前为止,浏览器向反向代理服务器
 - 发送的HTTP请求累积次数】
 - cache_hit 6542 0.11 Cache hits
 - 【代表在这些请求中,反向代理服务器在缓存区中查找并且命中缓存的次数】
 - cache_hitpass 0 0.00 Cache hits for pass
 - cache_miss 543 0.01 Cache misses
 - 【代表在这些请求中,反向代理服务器在缓存区中查找但是没有命中缓存的次数】
 - backend_conn 160 0.00 Backend conn. success
 - backend_unhealthy 0 0.00 Backend conn. not attempted
 - backend_busy 0 0.00 Backend conn. too many
 - backend_fail 2 0.00 Backend conn. failures 【这个数应该尽可能小】
 - backend_reuse 867 0.02 Backend conn. reuses
 - backend_toolate 149 0.00 Backend conn. was closed
 - backend_recycle 1018 0.02 Backend conn. recycles
 - backend_unused 0 0.00 Backend conn. unused
 - fetch_head 0 0.00 Fetch head
 - fetch_length 686 0.01 Fetch with Length
 - fetch_chunked 253 0.00 Fetch chunked
 - fetch_eof 0 0.00 Fetch EOF
 - fetch_bad 0 0.00 Fetch had bad headers
 - fetch_close 0 0.00 Fetch wanted close
 - fetch_oldhttp 0 0.00 Fetch pre HTTP/1.1 closed
 - fetch_zero 88 0.00 Fetch zero len
 - fetch_failed 0 0.00 Fetch failed
 - n_sess_mem 22 . N struct sess_mem
 - n_sess 0 . N struct sess
 - n_object 89 . N struct object 【当前被cache的条目】
 - n_vampireobject 0 . N unresurrected objects
 - n_objectcore 99 . N struct objectcore
 - n_objecthead 117 . N struct objecthead
 - n_smf 0 . N struct smf
 - n_smf_frag 0 . N small free smf
 - n_smf_large 0 . N large free smf
 - n_vbe_conn 2 . N struct vbe_conn
 - n_wrk 10 . N worker threads 【当前工作线程数】
 - n_wrk_create 10 0.00 N worker threads created 【创建了多少线程】
 - n_wrk_failed 0 0.00 N worker threads not created 【尝试创建线程但失败】
 - n_wrk_max 0 0.00 N worker threads limited
 - n_wrk_queue 0 0.00 N queued work requests
 - n_wrk_overflow 1 0.00 N overflowed work requests
 - 【等待队列请求,越小越好】
 - n_wrk_drop 0 0.00 N dropped work requests 【塞满后扔掉】
 - n_backend 2 . N backends
 - n_expired 419 . N expired objects
 - 【由于cache时间超时而被扔掉的cache条目,具体要看你的ttl设多大了】
 - n_lru_nuked 0 . N LRU nuked objects
 - 【cache空间满而不得不扔掉的cache条目,如果这个数字是0,就没必要增加cache的大小了】
 - n_lru_saved 0 . N LRU saved objects
 - n_lru_moved 6063 . N LRU moved objects
 - n_deathrow 0 . N objects on deathrow
 - losthdr 0 0.00 HTTP header overflows
 - n_objsendfile 0 0.00 Objects sent with sendfile
 - n_objwrite 4906 0.09 Objects sent with write
 - n_objoverflow 0 0.00 Objects overflowing workspace
 - s_sess 7169 0.12 Total Sessions
 - s_req 7571 0.13 Total Requests
 - s_pipe 0 0.00 Total pipe
 - s_pass 486 0.01 Total pass
 - s_fetch 1027 0.02 Total fetch
 - s_hdrbytes 1893314 32.81 Total header bytes
 - 【代表缓存区中所有缓存内容的HTTP头信息长度】
 - s_bodybytes 77546563 1343.84 Total body bytes
 - 【代表缓存区中所有缓存内容的正文长度】
 - sess_closed 6775 0.12 Session Closed
 - sess_pipeline 0 0.00 Session Pipeline
 - sess_readahead 0 0.00 Session Read Ahead
 - sess_linger 805 0.01 Session Linger
 - sess_herd 810 0.01 Session herd
 - shm_records 385518 6.68 SHM records
 - shm_writes 70686 1.22 SHM writes
 - shm_flushes 0 0.00 SHM flushes due to overflow
 - shm_cont 193 0.00 SHM MTX contention
 - shm_cycles 0 0.00 SHM cycles through buffer
 - sm_nreq 0 0.00 allocator requests
 - sm_nobj 0 . outstanding allocations
 - sm_balloc 0 . bytes allocated
 - sm_bfree 0 . bytes free
 - sma_nreq 1445 0.03 SMA allocator requests
 - sma_nobj 178 . SMA outstanding allocations
 - sma_nbytes 2945405 . SMA outstanding bytes
 - sma_balloc 45227687 . SMA bytes allocated
 - sma_bfree 42282282 . SMA bytes free
 - sms_nreq 2 0.00 SMS allocator requests
 - sms_nobj 0 . SMS outstanding allocations
 - sms_nbytes 0 . SMS outstanding bytes
 - sms_balloc 860 . SMS bytes allocated
 - sms_bfree 860 . SMS bytes freed
 - backend_req 1027 0.02 Backend requests made
 - n_vcl 1 0.00 N vcl total
 - n_vcl_avail 1 0.00 N vcl available
 - n_vcl_discard 0 0.00 N vcl discarded
 - n_purge 1 . N total active purges
 - n_purge_add 1 0.00 N new purges added
 - n_purge_retire 0 0.00 N old purges deleted
 - n_purge_obj_test 0 0.00 N objects tested
 - n_purge_re_test 0 0.00 N regexps tested against
 - n_purge_dups 0 0.00 N duplicate purges removed
 - hcb_nolock 7078 0.12 HCB Lookups without lock
 - hcb_lock 534 0.01 HCB Lookups with lock
 - hcb_insert 534 0.01 HCB Inserts
 - esi_parse 0 0.00 Objects ESI parsed (unlock)
 - esi_errors 0 0.00 ESI parse errors (unlock)
 - accept_fail 0 0.00 Accept failures
 - client_drop_late 0 0.00 Connection dropped late
 - uptime 57705 1.00 Client uptime
 - backend_retry 0 0.00 Backend conn. retry
 - dir_dns_lookups 0 0.00 DNS director lookups
 - dir_dns_failed 0 0.00 DNS director failed lookups
 - dir_dns_hit 0 0.00 DNS director cached lookups hit
 - dir_dns_cache_full 0 0.00 DNS director full dnscache
 
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