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https://issues.apache.org/jira/browse/HDFS-12802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16286952#comment-16286952
 ] 

genericqa commented on HDFS-12802:
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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 
11s{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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 
 6s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
11m 26s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  2m  
9s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 1 extant 
Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
2s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 39s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 4 new + 0 unchanged - 0 fixed = 4 total (was 0) {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} 
11m 34s{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}  2m 
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
53s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 89m 15s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
22s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}142m 57s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestSetrepIncreasing |
|   | hadoop.hdfs.server.federation.resolver.TestMountTableResolver |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure160 |
|   | hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes |
|   | hadoop.hdfs.TestMaintenanceState |
|   | hadoop.hdfs.TestAclsEndToEnd |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure000 |
|   | hadoop.hdfs.TestReplication |
|   | hadoop.hdfs.TestErasureCodingPolicyWithSnapshot |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure110 |
|   | hadoop.hdfs.TestHdfsAdmin |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithRandomECPolicy |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure190 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure210 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure070 |
|   | hadoop.hdfs.TestGetBlocks |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure090 |
|   | hadoop.hdfs.TestRenameWhileOpen |
|   | hadoop.hdfs.TestClientReportBadBlock |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.TestDFSStripedInputStream |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure200 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure040 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure010 |
|   | hadoop.hdfs.TestDistributedFileSystem |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure030 |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HDFS-12802 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12899887/HDFS-12802.000.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 7f5f73ee3980 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 
11:55:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 5cd1056 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22357/artifact/out/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22357/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22357/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22357/testReport/ |
| Max. process+thread count | 4061 (vs. ulimit of 5000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22357/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> RBF: Control MountTableResolver cache size
> ------------------------------------------
>
>                 Key: HDFS-12802
>                 URL: https://issues.apache.org/jira/browse/HDFS-12802
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>         Attachments: HDFS-12802.000.patch
>
>
> Currently, the {{MountTableResolver}} caches the resolutions for the 
> {{PathLocation}}. However, this cache can grow with no limits if there are a 
> lot of unique paths. Some of these cached resolutions might not be used at 
> all.
> The {{MountTableResolver}} should clean the {{locationCache}} periodically.



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