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https://issues.apache.org/jira/browse/HIVE-20040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16537721#comment-16537721
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Hive QA commented on HIVE-20040:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
1s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
23s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
13s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
40s{color} | {color:blue} service in master has 48 extant Findbugs warnings.
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
16s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
46s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
17s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
12s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 12m 7s{color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc findbugs checkstyle compile |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-12496/dev-support/hive-personality.sh
|
| git revision | master / 5016d6f |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: service U: service |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-12496/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> 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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