503 Service Unavailable + Stop Responding
Kitai
kitai at ya.com
Tue Apr 7 16:22:52 CEST 2009
Search in the "/var/log/messages" log if varnish it's restarting.
After every crash, varnish starts answering with a 503 to every request.
DAvid (Kitai) Cruz
2009/4/7 Sascha Kain <s.kain at eraffe-media.de>:
> Hi
> im getting folloing error when accessing a Picture (jpg), delivered by
> Varnish-Cache.
>
> ====================
>
>
> Error 503 Service Unavailable
>
> Service Unavailable
>
>
> Guru Meditation:
>
> XID: 502211958
>
> Varnish <http://www.varnish-cache.org/>
>
> ================
>
>
> This happens sporadically.
> When i access the picture from the Backend directly, its working.
>
>
> My varnishd is running on a Debian Server
> proxycache2:~# uname -a
> Linux proxycache2 2.6.18-6-amd64 #1 SMP Mon Jun 16 22:30:01 UTC 2008
> x86_64 GNU/Linux
> proxycache2:~# varnishd -V
> varnishd (varnish-2.0.3)
> Copyright (c) 2006-2008 Linpro AS / Verdens Gang AS
>
> varnishd -a :80 -b xx.xx.xx.40:80 -s malloc,15360M
>
>
> It also happens, that the daemon just stop answering on Port 80, i have
> to manually restart it!
>
>
> proxycache2:~# varnishstat -1
> uptime 691288 . Child uptime
> client_conn 13757134 19.90 Client connections accepted
> client_req 62501336 90.41 Client requests received
> cache_hit 59008654 85.36 Cache hits
> cache_hitpass 35 0.00 Cache hits for pass
> cache_miss 3454784 5.00 Cache misses
> backend_conn 3491596 5.05 Backend connections success
> backend_unhealthy 0 0.00 Backend connections not attempted
> backend_busy 0 0.00 Backend connections too many
> backend_fail 1094 0.00 Backend connections failures
> backend_reuse 3190621 4.62 Backend connections reuses
> backend_recycle 3300087 4.77 Backend connections recycles
> backend_unused 0 0.00 Backend connections unused
> n_srcaddr 1082 . N struct srcaddr
> n_srcaddr_act 69 . N active struct srcaddr
> n_sess_mem 4061 . N struct sess_mem
> n_sess 325 . N struct sess
> n_object 727166 . N struct object
> n_objecthead 412871 . 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 25 . N struct vbe_conn
> n_bereq 173 . N struct bereq
> n_wrk 46 . N worker threads
> n_wrk_create 6590 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_queue 0 0.00 N queued work requests
> n_wrk_overflow 40391 0.06 N overflowed work requests
> n_wrk_drop 0 0.00 N dropped work requests
> n_backend 1 . N backends
> n_expired 498 . N expired objects
> n_lru_nuked 2717782 . N LRU nuked objects
> n_lru_saved 0 . N LRU saved objects
> n_lru_moved 50761824 . 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 43664646 63.16 Objects sent with write
> n_objoverflow 0 0.00 Objects overflowing workspace
> s_sess 13757122 19.90 Total Sessions
> s_req 62501369 90.41 Total Requests
> s_pipe 10 0.00 Total pipe
> s_pass 37897 0.05 Total pass
> s_fetch 3477236 5.03 Total fetch
> s_hdrbytes 19737092290 28551.19 Total header bytes
> s_bodybytes 681892000484 986407.98 Total body bytes
> sess_closed 544021 0.79 Session Closed
> sess_pipeline 164402 0.24 Session Pipeline
> sess_readahead 65588 0.09 Session Read Ahead
> sess_linger 0 0.00 Session Linger
> sess_herd 61809876 89.41 Session herd
> shm_records 2591397419 3748.65 SHM records
> shm_writes 170178899 246.18 SHM writes
> shm_flushes 65 0.00 SHM flushes due to overflow
> shm_cont 5567 0.01 SHM MTX contention
> shm_cycles 931 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 9708485 14.04 SMA allocator requests
> sma_nobj 1442487 . SMA outstanding allocations
> sma_nbytes 16106012162 . SMA outstanding bytes
> sma_balloc 81856959440 . SMA bytes allocated
> sma_bfree 65750947278 . SMA bytes free
> sms_nreq 15433 0.02 SMS allocator requests
> sms_nobj 0 . SMS outstanding allocations
> sms_nbytes 18446744073709546966 . SMS outstanding bytes
> sms_balloc 7172160 . SMS bytes allocated
> sms_bfree 7176345 . SMS bytes freed
> backend_req 3491587 5.05 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 0 0.00 HCB Lookups without lock
> hcb_lock 0 0.00 HCB Lookups with lock
> hcb_insert 0 0.00 HCB Inserts
> esi_parse 0 0.00 Objects ESI parsed (unlock)
> esi_errors 0 0.00 ESI parse errors (unlock)
>
>
>
> Sascha Kain
> IT / Administration
> eraffe media GmbH & Co. KG Marketing - Consulting - Software
> Schönfeldstr. 17 - 83022 Rosenheim
>
> Fon: + 49 (0)8031 - 941 41 -46
> Fax: + 49 (0)8031 - 941 41 -59
> E-Mail: s.kain at eraffe-media.de
> www.eraffe-media.de - www.eraffe.de
>
> eraffe media GmbH & Co. KG, Sitz: Rosenheim,
> Registergericht: AG Traunstein HR A Nr. 9104,
> St-Nr. 156/157/58806, FA Rosenheim,
> USt.-ID: DE250117972
>
> Persönlich haftende Gesellschafterin:
> eraffe media Verwaltungs-GmbH, Sitz: Rosenheim,
> Registergericht: AG Traunstein HR B 16956
> St-Nr. 156/116/90247, FA Rosenheim
>
> Geschäftsführer: Maximilian Kuss, Oliver Döser
>
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