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https://issues.apache.org/jira/browse/HBASE-29479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18018562#comment-18018562
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Hudson commented on HBASE-29479:
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Results for branch branch-2
[build #1319 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2/1319/]:
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details (if available):
(/) {color:green}+1 general checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2/1319/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2/1319/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2/1319/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2/1319/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.3.5 backward compatibility checks{color}
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(/) {color:green}+1 jdk17 hadoop 3.3.6 backward compatibility checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2/1319/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.4.0 backward compatibility checks{color}
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(/) {color:green}+1 source release artifact{color}
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(/) {color:green}+1 client integration test for HBase 2 {color}
(/) {color:green}+1 client integration test for 3.3.5 {color}
(/) {color:green}+1 client integration test for 3.3.6 {color}
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> QuotaCache is not correctly populated until runs of QuotaRefresherChore
> -----------------------------------------------------------------------
>
> Key: HBASE-29479
> URL: https://issues.apache.org/jira/browse/HBASE-29479
> Project: HBase
> Issue Type: Improvement
> Reporter: Charles Connell
> Assignee: Charles Connell
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.4
>
>
> When asked for a QuotaLimiter for a given user, the QuotaCache checks if that
> user's quota state is cached. If it is, it returns a QuotaLimiter based on
> the cached information. If not, it inserts default quota state into the
> cache, and returns a default QuotaLimiter. On the next run of the
> QuotaRefresherChore, it looks in the {{hbase:quota}} table for the quota
> settings for every user in the cache. The consequence of this is: from when
> the QuotaCache is first asked about a user, until the next run of
> QuotaRefresherChore, the QuotaLimiters for that user are wrong.
> I think it's unacceptable for QuotaCache to return incorrect information. I
> can see from a code comment that it was implemented this was as a performance
> optimization, to avoid doing a Get on the quota table in the query handler
> path. However, the performance consequences of not enforcing quotas can be a
> lot worse that a few Gets.
> In this ticket I'm adding logic to QuotaCache so it immediately fetches quota
> information for a user from the quota table any time that user is not in its
> cache.
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