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https://issues.apache.org/jira/browse/HBASE-23054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16940256#comment-16940256
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Hudson commented on HBASE-23054:
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Results for branch branch-2.1
[build #1649 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/1649/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/1649//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/1649//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.1/1649//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Remove synchronization block from MetaTableMetrics and fix LossyCounting
> algorithm
> ----------------------------------------------------------------------------------
>
> Key: HBASE-23054
> URL: https://issues.apache.org/jira/browse/HBASE-23054
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.1.5
> Reporter: Ankit Singhal
> Assignee: Ankit Singhal
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.1.7, 2.2.2
>
> Attachments: HBASE-23054.master.001.patch,
> HBASE-23054.master.002.patch
>
>
> While trying to use LossyCounting for HBASE-15519 , found following bugs in
> current implementation
> – Remove synchronization block from MetaTableMetrics to avoid congestion at
> the code
> – Fix license format
> – Fix LossyCounting algorithm as per
> [http://www.vldb.org/conf/2002/S10P03.pdf
> |http://www.vldb.org/conf/2002/S10P03.pdf]
> -- Avoid doing sweep on every insert in LossyCounting
> – Remove extra redundant data structures from MetaTableMetrics.
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