503 Service Unavailable + Stop Responding

Sascha Kain s.kain at eraffe-media.de
Tue Apr 7 17:23:34 CEST 2009


Hi, its running correct. no such messages in logfiles.

Im still having the second problem, that the varnishd just stops 
responding on port 80 and all requests die.

maybe ill switch to 2.0.4, and check it out on high load.


Kitai wrote:
> 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
>>
>> _______________________________________________
>> varnish-misc mailing list
>> varnish-misc at projects.linpro.no
>> http://projects.linpro.no/mailman/listinfo/varnish-misc
>>
>>     


-- 
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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