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https://issues.apache.org/jira/browse/CASSANDRA-3668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13185061#comment-13185061
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Jonathan Ellis commented on CASSANDRA-3668:
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bq. Attached patch modifies this behavior so that node can send reply as soon
as receiving whole data file
Doesn't this mean that if the target restarts after acking the stream, but
before finishing the 2ary index builds, that data will never be indexed but
we'll have no indication it didn't happen?
If this is the bottleneck I'd rather add a concurrency option to the bulk
loader as a workaround.
> 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: 3688-reply_before_closing_writer.txt, 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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