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https://issues.apache.org/jira/browse/HDFS-14317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782223#comment-16782223
 ] 

Hadoop QA commented on HDFS-14317:
----------------------------------

| (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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 2 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 
35s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
3s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
13m 11s{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}  2m  
3s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
48s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
55s{color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: The patch generated 
0 new + 608 unchanged - 4 fixed = 608 total (was 612) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  
1s{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} xml {color} | {color:green}  0m  
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m 25s{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 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
47s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 77m 50s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
29s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}134m  3s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.web.TestWebHdfsTimeouts |
|   | hadoop.hdfs.server.datanode.TestBPOfferService |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.qjournal.server.TestJournalNodeSync |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-14317 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12960841/HDFS-14317.004.patch |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  xml  |
| uname | Linux cd6b7f6a80f7 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct 
5 08:56:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 5a15f7b |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26379/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26379/testReport/ |
| Max. process+thread count | 3879 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26379/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Standby does not trigger edit log rolling when in-progress edit log tailing 
> is enabled
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-14317
>                 URL: https://issues.apache.org/jira/browse/HDFS-14317
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.9.0, 3.0.0
>            Reporter: Ekanth Sethuramalingam
>            Assignee: Ekanth Sethuramalingam
>            Priority: Critical
>         Attachments: HDFS-14317.001.patch, HDFS-14317.002.patch, 
> HDFS-14317.003.patch, HDFS-14317.004.patch
>
>
> The standby uses the following method to check if it is time to trigger edit 
> log rolling on active.
> {code}
>   /**
>    * @return true if the configured log roll period has elapsed.
>    */
>   private boolean tooLongSinceLastLoad() {
>     return logRollPeriodMs >= 0 && 
>       (monotonicNow() - lastLoadTimeMs) > logRollPeriodMs ;
>   }
> {code}
> In doTailEdits(), lastLoadTimeMs is updated when standby is able to 
> successfully tail any edits
> {code}
>       if (editsLoaded > 0) {
>         lastLoadTimeMs = monotonicNow();
>       }
> {code}
> The default configuration for {{dfs.ha.log-roll.period}} is 120 seconds and 
> {{dfs.ha.tail-edits.period}} is 60 seconds. With in-progress edit log tailing 
> enabled, tooLongSinceLastLoad() will almost never return true resulting in 
> edit logs not rolled for a long time until this configuration 
> {{dfs.namenode.edit.log.autoroll.multiplier.threshold}} takes effect.
> [In our deployment, this resulted in in-progress edit logs getting deleted. 
> The sequence of events is that standby was able to checkpoint twice while the 
> in-progress edit log was growing on active. When the 
> NNStorageRetentionManager decided to cleanup old checkpoints and edit logs, 
> it cleaned up the in-progress edit log from active and QJM (as the txnid on 
> in-progress edit log was older than the 2 most recent checkpoints) resulting 
> in irrecoverably losing a few minutes worth of metadata].



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