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Posted to issues@flink.apache.org by "Jingsong Lee (JIRA)" <ji...@apache.org> on 2017/09/14 05:55:01 UTC
[jira] [Commented] (FLINK-7617) Remove string format in BitSet to
improve the performance of BuildSideOuterjoin
[ https://issues.apache.org/jira/browse/FLINK-7617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165786#comment-16165786 ]
Jingsong Lee commented on FLINK-7617:
-------------------------------------
Can someone give me the right to assign to me?
> Remove string format in BitSet to improve the performance of BuildSideOuterjoin
> -------------------------------------------------------------------------------
>
> Key: FLINK-7617
> URL: https://issues.apache.org/jira/browse/FLINK-7617
> Project: Flink
> Issue Type: Improvement
> Components: Local Runtime
> Reporter: Jingsong Lee
>
> When using BuildSideOuterjoin, will frequently call Bitset.set and get, there will be
> Preconditions.checkArgument (index <bitLength && index> = 0,
> String.format ("Input Index [% d] is larger than BitSet available size [% d].", Index, bitLength));
> Of the check, String.format will lead to a sharp decline performance.
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