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From "Manish Zope (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (CASSANDRA-3668) Performance of sstableloader is affected in 1.0.x
Date Fri, 06 Jan 2012 17:08:39 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181435#comment-13181435
] 

Manish Zope edited comment on CASSANDRA-3668 at 1/6/12 5:06 PM:
----------------------------------------------------------------

We are loading around 200 data files with total size of 70 GB.

Please let us know if you need any further details.

Now we are aiming to load 350 GB size of data with around 1000 data files on daily basis.
With hampered performance of sstableloader after 1.0, its made the things very difficult for
us.
                
      was (Author: mzope):
    I am loading around 200 data files with total size of 70 GB.

Please let us know if you need any further details.

Now we are aiming to load 350 GB size of data with around 1000 data files on daily basis.
With hampered performance of sstableloader after 1.0, its made the things very difficult for
us.
                  
> 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: 1.0.8
>
>         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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