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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13149) Remove some unnecessary HMS connections from HS2
Date Tue, 15 Mar 2016 16:51:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195622#comment-15195622
] 

Hive QA commented on HIVE-13149:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12793335/HIVE-13149.4.patch

{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 32 failed/errored test(s), 9798 tests executed
*Failed tests:*
{noformat}
TestJdbcWithMiniHS2 - did not produce a TEST-*.xml file
TestSparkCliDriver-groupby3_map.q-sample2.q-auto_join14.q-and-12-more - did not produce a
TEST-*.xml file
TestSparkCliDriver-groupby_map_ppr_multi_distinct.q-table_access_keys_stats.q-groupby4_noskew.q-and-12-more
- did not produce a TEST-*.xml file
TestSparkCliDriver-join_rc.q-insert1.q-vectorized_rcfile_columnar.q-and-12-more - did not
produce a TEST-*.xml file
TestSparkCliDriver-ppd_join4.q-join9.q-ppd_join3.q-and-12-more - did not produce a TEST-*.xml
file
TestSparkCliDriver-timestamp_lazy.q-bucketsortoptimize_insert_4.q-date_udf.q-and-12-more -
did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_external_table_ppd
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_binary_binary
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_binary_external_table_queries
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_binary_map_queries
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_binary_map_queries_prefix
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_binary_storage_queries
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_custom_key
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_custom_key2
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_custom_key3
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_handler_bulk
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_handler_snapshot
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_joins
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_null_first_col
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_ppd_join
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_ppd_key_range
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_pushdown
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_queries
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_scan_params
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_single_sourced_multi_insert
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_timestamp
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_timestamp_format
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_ppd_key_ranges
org.apache.hadoop.hive.cli.TestHBaseMinimrCliDriver.testCliDriver_hbase_bulk
org.apache.hadoop.hive.cli.TestHBaseNegativeCliDriver.testCliDriver_cascade_dbdrop
org.apache.hadoop.hive.cli.TestHBaseNegativeCliDriver.testCliDriver_generatehfiles_require_family_path
org.apache.hadoop.hive.metastore.hbase.TestHBaseMetastoreMetrics.testMetaDataCounts
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7273/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/7273/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-7273/

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: 32 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12793335 - PreCommit-HIVE-TRUNK-Build

> Remove some unnecessary HMS connections from HS2 
> -------------------------------------------------
>
>                 Key: HIVE-13149
>                 URL: https://issues.apache.org/jira/browse/HIVE-13149
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 2.0.0
>            Reporter: Aihua Xu
>            Assignee: Aihua Xu
>         Attachments: HIVE-13149.1.patch, HIVE-13149.2.patch, HIVE-13149.3.patch, HIVE-13149.4.patch
>
>
> In SessionState class, currently we will always try to get a HMS connection in {{start(SessionState
startSs, boolean isAsync, LogHelper console)}} regardless of if the connection will be used
later or not. 
> When SessionState is accessed by the tasks in TaskRunner.java, although most of the tasks
other than some like StatsTask, don't need to access HMS. Currently a new HMS connection will
be established for each Task thread. If HiveServer2 is configured to run in parallel and the
query involves many tasks, then the connections are created but unused.
> {noformat}
>   @Override
>   public void run() {
>     runner = Thread.currentThread();
>     try {
>       OperationLog.setCurrentOperationLog(operationLog);
>       SessionState.start(ss);
>       runSequential();
> {noformat}



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