[ https://issues.apache.org/jira/browse/HADOOP-15317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16412494#comment-16412494 ]
genericqa commented on HADOOP-15317: ------------------------------------ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 22s{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 25s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 24m 21s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 28m 2s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m 42s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 6s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 14m 4s{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} 3m 10s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 41s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 16s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 30s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 25m 15s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} javac {color} | {color:red} 25m 15s{color} | {color:red} root generated 1 new + 1272 unchanged - 0 fixed = 1273 total (was 1272) {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 2m 29s{color} | {color:orange} root: The patch generated 1 new + 53 unchanged - 0 fixed = 54 total (was 53) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 52s{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} 8m 24s{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} 3m 18s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 28s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} unit {color} | {color:red} 7m 31s{color} | {color:red} hadoop-common in the patch failed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 77m 25s{color} | {color:red} hadoop-hdfs in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 40s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}205m 20s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.fs.shell.TestCopyFromLocal | | | hadoop.hdfs.web.TestWebHdfsTimeouts | | | hadoop.hdfs.TestDFSStripedOutputStreamWithFailureWithRandomECPolicy | | | hadoop.net.TestNetworkTopology | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8620d2b | | JIRA Issue | HADOOP-15317 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12916032/HADOOP-15317.03.patch | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 6a7fb1d19a13 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 28790b8 | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_151 | | findbugs | v3.1.0-RC1 | | javac | https://builds.apache.org/job/PreCommit-HADOOP-Build/14384/artifact/out/diff-compile-javac-root.txt | | checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/14384/artifact/out/diff-checkstyle-root.txt | | unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/14384/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt | | unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/14384/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/14384/testReport/ | | Max. process+thread count | 5128 (vs. ulimit of 10000) | | modules | C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: . | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/14384/console | | Powered by | Apache Yetus 0.8.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > Improve NetworkTopology chooseRandom's loop > ------------------------------------------- > > Key: HADOOP-15317 > URL: https://issues.apache.org/jira/browse/HADOOP-15317 > Project: Hadoop Common > Issue Type: Bug > Reporter: Xiao Chen > Assignee: Xiao Chen > Priority: Major > Attachments: HADOOP-15317.01.patch, HADOOP-15317.02.patch, > HADOOP-15317.03.patch > > > Recently we found a postmortem case where the ANN seems to be in an infinite > loop. From the logs it seems it just went through a rolling restart, and DNs > are getting registered. > Later the NN become unresponsive, and from the stacktrace it's inside a > do-while loop inside {{NetworkTopology#chooseRandom}} - part of what's done > in HDFS-10320. > Going through the code and logs I'm not able to come up with any theory > (thought about incorrect locking, or the Node object being modified outside > of NetworkTopology, both seem impossible) why this is happening, but we > should eliminate this loop. > stacktrace: > {noformat} > Stack: > java.util.HashMap.hash(HashMap.java:338) > java.util.HashMap.containsKey(HashMap.java:595) > java.util.HashSet.contains(HashSet.java:203) > org.apache.hadoop.net.NetworkTopology.chooseRandom(NetworkTopology.java:786) > org.apache.hadoop.net.NetworkTopology.chooseRandom(NetworkTopology.java:732) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseDataNode(BlockPlacementPolicyDefault.java:757) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseRandom(BlockPlacementPolicyDefault.java:692) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseRandom(BlockPlacementPolicyDefault.java:666) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseLocalRack(BlockPlacementPolicyDefault.java:573) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTargetInOrder(BlockPlacementPolicyDefault.java:461) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTarget(BlockPlacementPolicyDefault.java:368) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTarget(BlockPlacementPolicyDefault.java:243) > org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTarget(BlockPlacementPolicyDefault.java:115) > org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4AdditionalDatanode(BlockManager.java:1596) > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalDatanode(FSNamesystem.java:3599) > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getAdditionalDatanode(NameNodeRpcServer.java:717) > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org