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Hadoop QA commented on HDFS-13677: ---------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 23s{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 28s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 56s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 41s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 4s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 12m 3s{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 0s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 55s{color} | {color:green} trunk passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 1s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 51s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 51s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 38s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 58s{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 49s{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 7s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 48s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:red}-1{color} | {color:red} unit {color} | {color:red} 76m 38s{color} | {color:red} hadoop-hdfs in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 37s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black}131m 54s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks | | | hadoop.hdfs.web.TestWebHdfsTimeouts | | | hadoop.hdfs.TestRollingUpgrade | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/hadoop-multibranch/job/PR-780/3/artifact/out/Dockerfile | | GITHUB PR | https://github.com/apache/hadoop/pull/780 | | JIRA Issue | HDFS-13677 | | Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle | | uname | Linux 3140035b8a9a 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 | personality/hadoop.sh | | git revision | trunk / 43b2a4b | | maven | version: Apache Maven 3.3.9 | | Default Java | 1.8.0_191 | | findbugs | v3.1.0-RC1 | | unit | https://builds.apache.org/job/hadoop-multibranch/job/PR-780/3/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt | | Test Results | https://builds.apache.org/job/hadoop-multibranch/job/PR-780/3/testReport/ | | Max. process+thread count | 3989 (vs. ulimit of 5500) | | modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs | | Console output | https://builds.apache.org/job/hadoop-multibranch/job/PR-780/3/console | | Powered by | Apache Yetus 0.9.0 http://yetus.apache.org | This message was automatically generated. > Dynamic refresh Disk configuration results in overwriting VolumeMap > ------------------------------------------------------------------- > > Key: HDFS-13677 > URL: https://issues.apache.org/jira/browse/HDFS-13677 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: xuzq > Priority: Major > Attachments: HDFS-13677-001.patch, HDFS-13677-002.patch, > image-2018-06-14-13-05-54-354.png, image-2018-06-14-13-10-24-032.png > > > When I added a new disk by dynamically refreshing the configuration, an > exception "FileNotFound while finding block" was caused. > > The steps are as follows: > 1.Change the hdfs-site.xml of DataNode to add a new disk. > 2.Refresh the configuration by "./bin/hdfs dfsadmin -reconfig datanode > ****:50020 start" > > The error is like: > ``` > VolumeScannerThread(/media/disk5/hdfs/dn): FileNotFound while finding block > BP-233501496-*.*.*.*-1514185698256:blk_1620868560_547245090 on volume > /media/disk5/hdfs/dn > org.apache.hadoop.hdfs.server.datanode.ReplicaNotFoundException: Replica not > found for BP-1997955181-*.*.*.*-1514186468560:blk_1090885868_17145082 > at > org.apache.hadoop.hdfs.server.datanode.BlockSender.getReplica(BlockSender.java:471) > at > org.apache.hadoop.hdfs.server.datanode.BlockSender.<init>(BlockSender.java:240) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:553) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:148) > at > org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:103) > at > org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:254) > at java.lang.Thread.run(Thread.java:748) > ``` > I added some logs for confirmation, as follows: > Log Code like: > !image-2018-06-14-13-05-54-354.png! > And the result is like: > !image-2018-06-14-13-10-24-032.png! > The Size of 'VolumeMap' has been reduced, and We found the 'VolumeMap' to be > overridden by the new Disk Block by the method 'ReplicaMap.addAll(ReplicaMap > other)'. > -- This message 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