[jira] [Commented] (CASSANDRA-3668) Performance of sstableloader is affected in 1.0.x

["Yuki Morishita (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-3668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13179584#comment-13179584 ] 

Yuki Morishita commented on CASSANDRA-3668:
-------------------------------------------

Manish,

So, does your test environment have just one cassandra node? How many sstable files are you loading?
Do you observe any bottleneck during loading to cassandra node? (cpu spikes, io wait...)
                
> Performance of sstableloader is affected in 1.0.x
> -------------------------------------------------
>
>                 Key: CASSANDRA-3668
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3668
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API
>    Affects Versions: 1.0.7
>            Reporter: Manish Zope
>            Assignee: Yuki Morishita
>             Fix For: 1.0.7
>
>         Attachments: sstable-loader performance.txt
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> One of my colleague had reported the bug regarding the degraded performance of the sstable generator and sstable loader.
> ISSUE :- https://issues.apache.org/jira/browse/CASSANDRA-3589 
> As stated in above issue generator performance is rectified but performance of the sstableloader is still an issue.
> 3589 is marked as duplicate of 3618.Both issues shows resolved status.But the problem with sstableloader still exists.
> So opening other issue so that sstbleloader problem should not go unnoticed.
> FYI : We have tested the generator part with the patch given in 3589.Its Working fine.
> Please let us know if you guys require further inputs from our side.

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