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From "Sowmya Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-4350) [Performance Testing] Adding hosts take much longer time than baselines
Date Sat, 17 Aug 2013 05:21:47 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-4350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13742847#comment-13742847
] 

Sowmya Krishnan commented on CLOUDSTACK-4350:
---------------------------------------------

Already tried to generate trace logs for 18k-20K hosts with the DB dump that i had. But i
got blocked again due to issue: CLOUDSTACK-4371.
Due to this, i am not able to use DB dump to restore old data, but need to again add hosts
which takes about 7 hours. Will let this run and update the logs when i have it.

Further to comment though, 3 sec is also pretty high for simulator host considering we are
adding 20K hosts. Earlier this used to take about 2 hours. 3 sec for one host is obviously
high comparatively.
                
> [Performance Testing] Adding hosts take much longer time than baselines
> -----------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-4350
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4350
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0
>         Environment: 4.2, performance test env, with simulator
>            Reporter: Sowmya Krishnan
>            Assignee: Koushik Das
>            Priority: Critical
>              Labels: perfomance
>             Fix For: 4.2.0
>
>
> Performance test setup:
> Basic zone, 1 host/cluster, tyring to deploy 20K simulator Hosts, with host tags
> Compared to baseline numbers, deploying hosts is taking  much longer in the simulator
environment
> For the 1st 1000 hosts, it took about 4 mins to deploy as per baseline
> With 4.2, the 1st 1000 hosts are taking almost 7 minutes
> Configurations:
> heap size: -Xmx12288m
> db.cloud.url.params=prepStmtCacheSize=517&cachePrepStmts=true&prepStmtCacheSqlLimit=4096&includeInnodbStatusInDeadlockExceptions=true&logSlowQueries=true
> For 20K Hosts, the number exponentially increases and the deployment time also increases.
> Attaching trace logs of 4.2 for 1k simulator hosts deployment.

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