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https://issues.apache.org/jira/browse/HIVE-20040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16537781#comment-16537781
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Hive QA commented on HIVE-20040:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12930868/HIVE-20040.1.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 14620 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/12496/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/12496/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-12496/
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: 12930868 - PreCommit-HIVE-Build
> JDBC: HTTP listen queue is 50 and SYNs are lost
> -----------------------------------------------
>
> Key: HIVE-20040
> URL: https://issues.apache.org/jira/browse/HIVE-20040
> Project: Hive
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 3.0.0, 3.1.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Major
> Labels: Branch3Candidate
> Attachments: HIVE-20040.1.patch, HIVE-20040.1.patch
>
>
> When testing with 5000 concurrent users, the JDBC HTTP port ends up
> overflowing on SYNs when the HS2 gc pauses.
> This is because each getQueryProgress request is an independent HTTP request,
> so unlike the BINARY mode, there are more connections being established &
> closed in HTTP mode.
> {code}
> LISTEN 0 50 *:10004 *:*
> {code}
> This turns into connection errors when enabling
> {{net.ipv4.tcp_abort_on_overflow=1}}, but the better approach is to enqueue
> the connections until the HS2 is done with its GC pause.
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