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From "Ronelle Landy (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DTACLOUD-347) Deltacloud API leaking memory
Date Fri, 02 Nov 2012 13:41:12 GMT

     [ https://issues.apache.org/jira/browse/DTACLOUD-347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ronelle Landy closed DTACLOUD-347.
----------------------------------


Closing this as fixed in deltacloud git commit: 5b474d5608992adb347bf4362dbb71adf4f4d1e2
On Fedora 17 - Ruby 1.9.3 ... running GET /api/images in a loop shows stable %MEM for ruby
process and similar times per execution. 
                
> 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
>            Assignee: 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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