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https://issues.apache.org/jira/browse/HIVE-22284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16951258#comment-16951258
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Hive QA commented on HIVE-22284:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12982970/HIVE-22284.7.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 17539 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/18983/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/18983/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-18983/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12982970 - PreCommit-HIVE-Build
> Improve LLAP CacheContentsTracker to collect and display correct statistics
> ---------------------------------------------------------------------------
>
> Key: HIVE-22284
> URL: https://issues.apache.org/jira/browse/HIVE-22284
> Project: Hive
> Issue Type: Improvement
> Components: llap
> Reporter: Ádám Szita
> Assignee: Ádám Szita
> Priority: Major
> Attachments: HIVE-22284.0.patch, HIVE-22284.1.patch,
> HIVE-22284.2.patch, HIVE-22284.3.patch, HIVE-22284.4.patch,
> HIVE-22284.5.patch, HIVE-22284.6.patch, HIVE-22284.7.patch
>
>
> When keeping track of which buffers correspond to what Hive objects,
> CacheContentsTracker relies on cache tags.
> Currently a tag is a simple String that ideally holds DB and table name, and
> a partition spec concatenated by . and / . The information here is derived
> from the Path of the file that is getting cached. Needless to say sometimes
> this produces a wrong tag especially for external tables.
> Also there's a bug when calculating aggregated stats for a 'parent' tag
> (corresponding to the table of the partition) because the overall maxCount
> and maxSize do not add up to the sum of those in the partitions. This happens
> when buffers get removed from the cache.
>
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