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From "Marios Andreou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DTACLOUD-347) Deltacloud API leaking memory
Date Fri, 19 Oct 2012 12:10:11 GMT

    [ https://issues.apache.org/jira/browse/DTACLOUD-347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479969#comment-13479969
] 

Marios Andreou commented on DTACLOUD-347:
-----------------------------------------

michal's patch set @ http://tracker.deltacloud.org/set/97 seems to fix the mem leak:


127.0.0.1 - - [19/Oct/2012 14:43:38] "GET /api/images HTTP/1.1" 200 3319 0.0247
127.0.0.1 - - [19/Oct/2012 14:43:38] "GET /api/images HTTP/1.1" 200 3319 0.0095
127.0.0.1 - - [19/Oct/2012 14:43:38] "GET /api/images HTTP/1.1" 200 3319 0.0099
127.0.0.1 - - [19/Oct/2012 14:43:38] "GET /api/images HTTP/1.1" 200 3319 0.0104
 ...

127.0.0.1 - - [19/Oct/2012 14:48:53] "GET /api/images HTTP/1.1" 200 3319 0.0230
127.0.0.1 - - [19/Oct/2012 14:48:53] "GET /api/images HTTP/1.1" 200 3319 0.0111
127.0.0.1 - - [19/Oct/2012 14:48:53] "GET /api/images HTTP/1.1" 200 3319 0.0112
127.0.0.1 - - [19/Oct/2012 14:48:53] "GET /api/images HTTP/1.1" 200 3319 0.0263


                
> Deltacloud API leaking memory
> -----------------------------
>
>                 Key: DTACLOUD-347
>                 URL: https://issues.apache.org/jira/browse/DTACLOUD-347
>             Project: DeltaCloud
>          Issue Type: Bug
>          Components: Server
>         Environment: deltacloud-core, GIT adade32451815c8ee28e29be35636bd0f98473fc
>            Reporter: Michal Fojtik
>            Priority: Blocker
>              Labels: blocker-1.0.5
>
> Deltacloud API memory usage is slowly increasing after doing 100+ requests:
> Starting Deltacloud API :: mock :: http://localhost:3001/api
> >> Thin web server (v1.5.0 codename Knife)
> >> Debugging ON
> >> Maximum connections set to 1024
> >> Listening on localhost:3001, CTRL+C to stop
> 127.0.0.1 - - [17/Oct/2012 15:26:10] "GET /api/images HTTP/1.1" 200 4420 0.0308
> 127.0.0.1 - - [17/Oct/2012 15:26:17] "GET /api/images HTTP/1.1" 200 4420 0.0220
> 127.0.0.1 - - [17/Oct/2012 15:26:52] "GET /api/images HTTP/1.1" 200 4420 0.0219
> ... 1000 requests after:
> 127.0.0.1 - - [17/Oct/2012 15:27:53] "GET /api/images HTTP/1.1" 200 4420 0.1539
> 127.0.0.1 - - [17/Oct/2012 15:27:53] "GET /api/images HTTP/1.1" 200 4420 0.1554
> 127.0.0.1 - - [17/Oct/2012 15:27:53] "GET /api/images HTTP/1.1" 200 4420 0.1526
> As you can see the response time is slowly increasing and after few minutes it gets to
the point where the request take like 10 seconds to complete and all your free memory is gone
;-)
> This is easy to reproduce:
> 1. Start Deltacloud API ($ deltacloudd -i mock)
> 2. $ while true; do curl -H 'Accept: application/xml' --user 'mockuser:mockpassword'
http://localhost:3001/api/images > /dev/null; done
> 3. Keep it running for ~1minute and watch the console with Deltacloud API log.
> Thanks to Tomas Hrcka for reporting this.

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