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https://issues.apache.org/jira/browse/HADOOP-15976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16709871#comment-16709871
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Hadoop QA commented on HADOOP-15976:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
17s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m
0s{color} | {color:red} The patch doesn't appear to include any new or modified
tests. Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 24m
49s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m
49s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
47s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 2s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
49s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m
12s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 15m 12s{color}
| {color:red} root generated 3 new + 1487 unchanged - 3 fixed = 1490 total (was
1490) {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 45s{color} | {color:orange} hadoop-common-project/hadoop-common: The patch
generated 6 new + 24 unchanged - 0 fixed = 30 total (was 24) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
6s{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} shadedclient {color} | {color:green}
10m 43s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 8m 2s{color}
| {color:red} hadoop-common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
40s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 98m 20s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.security.ssl.TestSSLFactory |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HADOOP-15976 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12950661/HADOOP-15976.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 99b3a44f3f25 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2
17:16:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 228156c |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| javac |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15611/artifact/out/diff-compile-javac-root.txt
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15611/artifact/out/diff-checkstyle-hadoop-common-project_hadoop-common.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15611/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15611/testReport/ |
| asflicense |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15611/artifact/out/patch-asflicense-problems.txt
|
| Max. process+thread count | 1409 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15611/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> NameNode Performance degradation When Single LdapServer become a bottleneck
> in Ldap-based mapping module
> ----------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-15976
> URL: https://issues.apache.org/jira/browse/HADOOP-15976
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common
> Affects Versions: 3.1.1
> Reporter: fengyongshe
> Priority: Major
> Attachments: HADOOP-15976.patch, image003(12-05-1(12-05-10-36-26).jpg
>
>
> 2000+ nodes cluster, We use OpenLdap to manager users and groups . when
> LdapGroupsMapping used , Group look-up cause segment fault include NameNode
> Performance degradation & name node crashes .
> WARN security.Groups: Potential performance problem:
> getGroups(user=xxxx) took 46817 milliseconds.
> INFO namenode.FSNamesysatem(FSNamesystemLoclk.java:writeUnlock(252))-
> FSNameSystem write lock held for 46817 ms via java.lang.thread.getStackTrace
> We Found the Ldap Server become the bottleneck for NN operations， Single Ldap
> Server only support hundred request per seconds
> ps. The Server was running nslcd
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