[Varnish] #1358: High n-expired objects

Varnish varnish-bugs at varnish-cache.org
Thu Oct 17 03:41:32 CEST 2013


#1358: High n-expired objects
----------------------+--------------------
 Reporter:  superjmt  |       Owner:
     Type:  defect    |      Status:  new
 Priority:  normal    |   Milestone:
Component:  varnishd  |     Version:  3.0.3
 Severity:  normal    |  Resolution:
 Keywords:            |
----------------------+--------------------

Comment (by superjmt):

 Debian Linux 6.0
 Linux 3.2.0-0.bpo.4-amd64 sur x86_64
 CPU     Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz, 12 cores


 {{{

 client_conn              16943         3.88 Client connections accepted
 client_drop                  0         0.00 Connection dropped, no
 sess/wrk
 client_req               27990         6.41 Client requests received
 cache_hit                 3127         0.72 Cache hits
 cache_hitpass               85         0.02 Cache hits for pass
 cache_miss               22210         5.09 Cache misses
 backend_conn              1705         0.39 Backend conn. success
 backend_unhealthy            0         0.00 Backend conn. not attempted
 backend_busy                 0         0.00 Backend conn. too many
 backend_fail                 0         0.00 Backend conn. failures
 backend_reuse            23081         5.29 Backend conn. reuses
 backend_toolate             38         0.01 Backend conn. was closed
 backend_recycle          23125         5.30 Backend conn. recycles
 backend_retry                0         0.00 Backend conn. retry
 fetch_head                   0         0.00 Fetch head
 fetch_length             23490         5.38 Fetch with Length
 fetch_chunked             1243         0.28 Fetch chunked
 fetch_eof                    0         0.00 Fetch EOF
 fetch_bad                    0         0.00 Fetch had bad headers
 fetch_close                  2         0.00 Fetch wanted close
 fetch_oldhttp                0         0.00 Fetch pre HTTP/1.1 closed
 fetch_zero                   0         0.00 Fetch zero len
 fetch_failed                 0         0.00 Fetch failed
 fetch_1xx                    0         0.00 Fetch no body (1xx)
 fetch_204                    0         0.00 Fetch no body (204)
 fetch_304                    1         0.00 Fetch no body (304)
 n_sess_mem                  81          .   N struct sess_mem
 n_sess                      21          .   N struct sess
 n_object                 15968          .   N struct object
 n_vampireobject              0          .   N unresurrected objects
 n_objectcore             15970          .   N struct objectcore
 n_objecthead             16311          .   N struct objecthead
 n_waitinglist               52          .   N struct waitinglist
 n_vbc                        7          .   N struct vbc
 n_wrk                       15          .   N worker threads
 n_wrk_create                28         0.01 N worker threads created
 n_wrk_failed                 0         0.00 N worker threads not created
 n_wrk_max                    0         0.00 N worker threads limited
 n_wrk_lqueue                 0         0.00 work request queue length
 n_wrk_queued               187         0.04 N queued work requests
 n_wrk_drop                   0         0.00 N dropped work requests
 n_backend                    1          .   N backends
 n_expired                 6242          .   N expired objects
 n_lru_nuked                  0          .   N LRU nuked objects
 n_lru_moved               2990          .   N LRU moved objects
 losthdr                      0         0.00 HTTP header overflows
 n_objsendfile                0         0.00 Objects sent with sendfile
 n_objwrite               27783         6.36 Objects sent with write
 n_objoverflow                0         0.00 Objects overflowing workspace
 s_sess                   16943         3.88 Total Sessions
 s_req                    27990         6.41 Total Requests
 s_pipe                      49         0.01 Total pipe
 s_pass                    2526         0.58 Total pass
 s_fetch                  24736         5.67 Total fetch
 s_hdrbytes            20855493      4777.89 Total header bytes
 s_bodybytes          503825251    115423.88 Total body bytes
 sess_closed               2877         0.66 Session Closed
 sess_pipeline                0         0.00 Session Pipeline
 sess_readahead               1         0.00 Session Read Ahead
 sess_linger              25342         5.81 Session Linger
 sess_herd                25922         5.94 Session herd
 shm_records            2523018       578.01 SHM records
 shm_writes              160370        36.74 SHM writes
 shm_flushes                  0         0.00 SHM flushes due to overflow
 shm_cont                   179         0.04 SHM MTX contention
 shm_cycles                   1         0.00 SHM cycles through buffer
 sms_nreq                    78         0.02 SMS allocator requests
 sms_nobj                     0          .   SMS outstanding allocations
 sms_nbytes                   0          .   SMS outstanding bytes
 sms_balloc               31044          .   SMS bytes allocated
 sms_bfree                31044          .   SMS bytes freed
 backend_req              24736         5.67 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_ban                        1          .   N total active bans
 n_ban_gone                   1          .   N total gone bans
 n_ban_add                    1         0.00 N new bans added
 n_ban_retire                 0         0.00 N old bans deleted
 n_ban_obj_test               0         0.00 N objects tested
 n_ban_re_test                0         0.00 N regexps tested against
 n_ban_dups                   0         0.00 N duplicate bans removed
 hcb_nolock               25418         5.82 HCB Lookups without lock
 hcb_lock                 22175         5.08 HCB Lookups with lock
 hcb_insert               22175         5.08 HCB Inserts
 esi_errors                   0         0.00 ESI parse errors (unlock)
 esi_warnings                 0         0.00 ESI parse warnings (unlock)
 accept_fail                  0         0.00 Accept failures
 client_drop_late             0         0.00 Connection dropped late
 uptime                    4365         1.00 Client uptime
 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
 vmods                        0          .   Loaded VMODs
 n_gzip                       0         0.00 Gzip operations
 n_gunzip                 24912         5.71 Gunzip operations
 LCK.sms.creat                1         0.00 Created locks
 LCK.sms.destroy              0         0.00 Destroyed locks
 LCK.sms.locks              234         0.05 Lock Operations
 LCK.sms.colls                0         0.00 Collisions
 LCK.smp.creat                0         0.00 Created locks
 LCK.smp.destroy              0         0.00 Destroyed locks
 LCK.smp.locks                0         0.00 Lock Operations
 LCK.smp.colls                0         0.00 Collisions
 LCK.sma.creat                2         0.00 Created locks
 LCK.sma.destroy              0         0.00 Destroyed locks
 LCK.sma.locks            92564        21.21 Lock Operations
 LCK.sma.colls                0         0.00 Collisions
 LCK.smf.creat                0         0.00 Created locks
 LCK.smf.destroy              0         0.00 Destroyed locks
 LCK.smf.locks                0         0.00 Lock Operations
 LCK.smf.colls                0         0.00 Collisions
 LCK.hsl.creat                0         0.00 Created locks
 LCK.hsl.destroy              0         0.00 Destroyed locks
 LCK.hsl.locks                0         0.00 Lock Operations
 LCK.hsl.colls                0         0.00 Collisions
 LCK.hcb.creat                1         0.00 Created locks
 LCK.hcb.destroy              0         0.00 Destroyed locks
 LCK.hcb.locks            28408         6.51 Lock Operations
 LCK.hcb.colls                0         0.00 Collisions
 LCK.hcl.creat                0         0.00 Created locks
 LCK.hcl.destroy              0         0.00 Destroyed locks
 LCK.hcl.locks                0         0.00 Lock Operations
 LCK.hcl.colls                0         0.00 Collisions
 LCK.vcl.creat                1         0.00 Created locks
 LCK.vcl.destroy              0         0.00 Destroyed locks
 LCK.vcl.locks               99         0.02 Lock Operations
 LCK.vcl.colls                0         0.00 Collisions
 LCK.stat.creat               1         0.00 Created locks
 LCK.stat.destroy             0         0.00 Destroyed locks
 LCK.stat.locks           17003         3.90 Lock Operations
 LCK.stat.colls               0         0.00 Collisions
 LCK.sessmem.creat            1         0.00 Created locks
 LCK.sessmem.destroy            0         0.00 Destroyed locks
 LCK.sessmem.locks          17338         3.97 Lock Operations
 LCK.sessmem.colls              0         0.00 Collisions
 LCK.wstat.creat                1         0.00 Created locks
 LCK.wstat.destroy              0         0.00 Destroyed locks
 LCK.wstat.locks             8807         2.02 Lock Operations
 LCK.wstat.colls                0         0.00 Collisions
 LCK.herder.creat               1         0.00 Created locks
 LCK.herder.destroy             0         0.00 Destroyed locks
 LCK.herder.locks             173         0.04 Lock Operations
 LCK.herder.colls               0         0.00 Collisions
 LCK.wq.creat                   2         0.00 Created locks
 LCK.wq.destroy                 0         0.00 Destroyed locks
 LCK.wq.locks               66393        15.21 Lock Operations
 LCK.wq.colls                   0         0.00 Collisions
 LCK.objhdr.creat           22172         5.08 Created locks
 LCK.objhdr.destroy          5866         1.34 Destroyed locks
 LCK.objhdr.locks          114229        26.17 Lock Operations
 LCK.objhdr.colls               0         0.00 Collisions
 LCK.exp.creat                  1         0.00 Created locks
 LCK.exp.destroy                0         0.00 Destroyed locks
 LCK.exp.locks              32817         7.52 Lock Operations
 LCK.exp.colls                  0         0.00 Collisions
 LCK.lru.creat                  2         0.00 Created locks
 LCK.lru.destroy                0         0.00 Destroyed locks
 LCK.lru.locks              22210         5.09 Lock Operations
 LCK.lru.colls                  0         0.00 Collisions
 LCK.cli.creat                  1         0.00 Created locks
 LCK.cli.destroy                0         0.00 Destroyed locks
 LCK.cli.locks               1468         0.34 Lock Operations
 LCK.cli.colls                  0         0.00 Collisions
 LCK.ban.creat                  1         0.00 Created locks
 LCK.ban.destroy                0         0.00 Destroyed locks
 LCK.ban.locks              32819         7.52 Lock Operations
 LCK.ban.colls                  0         0.00 Collisions
 LCK.vbp.creat                  1         0.00 Created locks
 LCK.vbp.destroy                0         0.00 Destroyed locks
 LCK.vbp.locks                  0         0.00 Lock Operations
 LCK.vbp.colls                  0         0.00 Collisions
 LCK.vbe.creat                  1         0.00 Created locks
 LCK.vbe.destroy                0         0.00 Destroyed locks
 LCK.vbe.locks               3403         0.78 Lock Operations
 LCK.vbe.colls                  0         0.00 Collisions
 LCK.backend.creat              1         0.00 Created locks
 LCK.backend.destroy            0         0.00 Destroyed locks
 LCK.backend.locks          51352        11.76 Lock Operations
 LCK.backend.colls              0         0.00 Collisions
 SMA.s0.c_req               44527        10.20 Allocator requests
 SMA.s0.c_fail                  0         0.00 Allocator failures
 SMA.s0.c_bytes        2945463582    674791.20 Bytes allocated
 SMA.s0.c_freed        2733147683    626150.67 Bytes freed
 SMA.s0.g_alloc             31272          .   Allocations outstanding
 SMA.s0.g_bytes         212315899          .   Bytes outstanding
 SMA.s0.g_space        1935167749          .   Bytes available
 SMA.Transient.c_req         5055         1.16 Allocator requests
 SMA.Transient.c_fail           0         0.00 Allocator failures
 SMA.Transient.c_bytes    329070995     75388.54 Bytes allocated
 SMA.Transient.c_freed    329070995     75388.54 Bytes freed
 SMA.Transient.g_alloc            0          .   Allocations outstanding
 SMA.Transient.g_bytes            0          .   Bytes outstanding
 SMA.Transient.g_space            0          .   Bytes available
 VBE.prod(127.0.0.1,,8080).vcls            1          .   VCL references
 VBE.prod(127.0.0.1,,8080).happy           0          .   Happy health
 probes

 }}}

-- 
Ticket URL: <https://www.varnish-cache.org/trac/ticket/1358#comment:1>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator




More information about the varnish-bugs mailing list