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Posted to issues@hbase.apache.org by "Hudson (Jira)" <ji...@apache.org> on 2020/09/02 18:40:00 UTC
[jira] [Commented] (HBASE-24831) Avoid invoke Counter using
reflection in SnapshotInputFormat
[ https://issues.apache.org/jira/browse/HBASE-24831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189630#comment-17189630 ]
Hudson commented on HBASE-24831:
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Results for branch branch-2.3
[build #27 on builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.3/27/]: (x) *{color:red}-1 overall{color}*
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> Avoid invoke Counter using reflection in SnapshotInputFormat
> -------------------------------------------------------------
>
> Key: HBASE-24831
> URL: https://issues.apache.org/jira/browse/HBASE-24831
> Project: HBase
> Issue Type: Improvement
> Reporter: Yechao Chen
> Assignee: Yechao Chen
> Priority: Major
> Labels: Performance, mapreduce, snapshot
> Fix For: 3.0.0-alpha-1, 2.4.0, 2.3.2
>
>
> In TableRecordReaderImpl we invoke Counter increment by reflection
> This will be called nextKeyValue() in TableSnapshotInputFormat
> reflection invoke is very slower than normal method call
> we can avoid these to improve the read performance
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