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https://issues.apache.org/jira/browse/HIVE-12411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15022855#comment-15022855
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Hive QA commented on HIVE-12411:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12773782/HIVE-12411.02.patch
{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 12 failed/errored test(s), 9826 tests
executed
*Failed tests:*
{noformat}
TestHWISessionManager - did not produce a TEST-*.xml file
TestMiniLlapCliDriver - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_notin
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_notin_having
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_explainuser_1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_metadataonly1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_optimize_nullscan
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_dynpart_hashjoin_3
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_smb_empty
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hive.jdbc.TestSSL.testSSLVersion
org.apache.hive.jdbc.miniHS2.TestHs2Metrics.testMetrics
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6109/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6109/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6109/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 12 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12773782 - PreCommit-HIVE-TRUNK-Build
> Remove counter based stats collection mechanism
> -----------------------------------------------
>
> Key: HIVE-12411
> URL: https://issues.apache.org/jira/browse/HIVE-12411
> Project: Hive
> Issue Type: Task
> Components: Statistics
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-12411.01.patch, HIVE-12411.02.patch
>
>
> Following HIVE-12005, HIVE-12164, we have removed jdbc and hbase stats
> collection mechanism. Now we are targeting counter based stats collection
> mechanism. The main advantages are as follows (1) counter based stats has
> limitation on the length of the counter itself, if it is too long, MD5 will
> be applied. (2) when there are a large number of partitions and columns, we
> need to create a large number of counters in memory. This will put a heavy
> load on the M/R AM or Tez AM etc. FS based stats will do a better job.
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