[ https://issues.apache.org/jira/browse/HDFS-13165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16421756#comment-16421756 ]
genericqa commented on HDFS-13165: ---------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 15m 1s{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 18 new or modified test files. {color} | || || || || {color:brown} HDFS-10285 Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m 43s{color} | {color:green} HDFS-10285 passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 57s{color} | {color:green} HDFS-10285 passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 0s{color} | {color:green} HDFS-10285 passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 4s{color} | {color:green} HDFS-10285 passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 12m 20s{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 4s{color} | {color:green} HDFS-10285 passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 57s{color} | {color:green} HDFS-10285 passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 0s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 54s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} cc {color} | {color:green} 0m 54s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 54s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 53s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 15 new + 1081 unchanged - 11 fixed = 1096 total (was 1092) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 59s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m 0s{color} | {color:red} The patch has 4 line(s) that end in whitespace. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply {color} | | {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 1s{color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 11m 18s{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 5s{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}113m 31s{color} | {color:red} hadoop-hdfs in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 26s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}185m 48s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA | | | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure | | | hadoop.hdfs.server.namenode.TestTruncateQuotaUpdate | | | hadoop.hdfs.qjournal.server.TestJournalNodeSync | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 | | JIRA Issue | HDFS-13165 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12917148/HDFS-13165-HDFS-10285-07.patch | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle cc xml | | uname | Linux 879e9185d889 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27 10:45:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | HDFS-10285 / e24bb54 | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_151 | | findbugs | v3.1.0-RC1 | | checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/23743/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt | | whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/23743/artifact/out/whitespace-eol.txt | | unit | https://builds.apache.org/job/PreCommit-HDFS-Build/23743/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/23743/testReport/ | | Max. process+thread count | 2880 (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/23743/console | | Powered by | Apache Yetus 0.8.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > [SPS]: Collects successfully moved block details via IBR > -------------------------------------------------------- > > Key: HDFS-13165 > URL: https://issues.apache.org/jira/browse/HDFS-13165 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Rakesh R > Assignee: Rakesh R > Priority: Major > Attachments: HDFS-13165-HDFS-10285-00.patch, > HDFS-13165-HDFS-10285-01.patch, HDFS-13165-HDFS-10285-02.patch, > HDFS-13165-HDFS-10285-03.patch, HDFS-13165-HDFS-10285-04.patch, > HDFS-13165-HDFS-10285-05.patch, HDFS-13165-HDFS-10285-06.patch, > HDFS-13165-HDFS-10285-07.patch, HDFS-13166-HDFS-10285-07.patch > > > This task to make use of the existing IBR to get moved block details and > remove unwanted future tracking logic exists in BlockStorageMovementTracker > code, this is no more needed as the file level tracking maintained at NN > itself. > Following comments taken from HDFS-10285, > [here|https://issues.apache.org/jira/browse/HDFS-10285?focusedCommentId=16347472&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16347472] > Comment-3) > {quote}BPServiceActor > Is it actually sending back the moved blocks? Aren’t IBRs sufficient?{quote} > Comment-21) > {quote} > BlockStorageMovementTracker > Many data structures are riddled with non-threadsafe race conditions and risk > of CMEs. > Ex. The moverTaskFutures map. Adding new blocks and/or adding to a block's > list of futures is synchronized. However the run loop does an unsynchronized > block get, unsynchronized future remove, unsynchronized isEmpty, possibly > another unsynchronized get, only then does it do a synchronized remove of the > block. The whole chunk of code should be synchronized. > Is the problematic moverTaskFutures even needed? It's aggregating futures > per-block for seemingly no reason. Why track all the futures at all instead > of just relying on the completion service? As best I can tell: > It's only used to determine if a future from the completion service should be > ignored during shutdown. Shutdown sets the running boolean to false and > clears the entire datastructure so why not use the running boolean like a > check just a little further down? > As synchronization to sleep up to 2 seconds before performing a blocking > moverCompletionService.take, but only when it thinks there are no active > futures. I'll ignore the missed notify race that the bounded wait masks, but > the real question is why not just do the blocking take? > Why all the complexity? Am I missing something? > BlocksMovementsStatusHandler > Suffers same type of thread safety issues as StoragePolicySatisfyWorker. Ex. > blockIdVsMovementStatus is inconsistent synchronized. Does synchronize to > return an unmodifiable list which sadly does nothing to protect the caller > from CME. > handle is iterating over a non-thread safe list. > {quote} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org