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https://issues.apache.org/jira/browse/HIVE-18079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16478297#comment-16478297
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Hive QA commented on HIVE-18079:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12923792/HIVE-18079-branch-3.patch
{color:red}ERROR:{color} -1 due to build exiting with an error
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/11011/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/11011/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-11011/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL
https://issues.apache.org/jira/secure/attachment/12923792/HIVE-18079-branch-3.patch
was found in seen patch url's cache and a test was probably run already on it.
Aborting...
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12923792 - PreCommit-HIVE-Build
> Statistics: Allow HyperLogLog to be merged to the lowest-common-denominator
> bit-size
> ------------------------------------------------------------------------------------
>
> Key: HIVE-18079
> URL: https://issues.apache.org/jira/browse/HIVE-18079
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore, Statistics
> Affects Versions: 3.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Major
> Attachments: HIVE-18079-branch-3.patch, HIVE-18079.1.patch,
> HIVE-18079.10.patch, HIVE-18079.11.patch, HIVE-18079.12.patch,
> HIVE-18079.13.patch, HIVE-18079.14.patch, HIVE-18079.15.patch,
> HIVE-18079.2.patch, HIVE-18079.4.patch, HIVE-18079.5.patch,
> HIVE-18079.6.patch, HIVE-18079.7.patch, HIVE-18079.8.patch, HIVE-18079.9.patch
>
>
> HyperLogLog can merge a 14 bit HLL into a 10 bit HLL bitset, because of its
> mathematical hash distribution & construction.
> Allow the squashing of a 14 bit HLL -> 10 bit HLL without needing a second
> scan over the data-set.
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