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Posted to hdfs-issues@hadoop.apache.org by "Hemanth Boyina (Jira)" <ji...@apache.org> on 2020/12/22 11:59:00 UTC
[jira] [Updated] (HDFS-15569) Speed up the Storage#doRecover during
datanode rolling upgrade
[ https://issues.apache.org/jira/browse/HDFS-15569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hemanth Boyina updated HDFS-15569:
----------------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Speed up the Storage#doRecover during datanode rolling upgrade
> ---------------------------------------------------------------
>
> Key: HDFS-15569
> URL: https://issues.apache.org/jira/browse/HDFS-15569
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Hemanth Boyina
> Assignee: Hemanth Boyina
> Priority: Major
> Fix For: 3.4.0
>
> Attachments: HDFS-15569.001.patch, HDFS-15569.002.patch, HDFS-15569.003.patch
>
>
> When upgrading datanode from hadoop 2.7.2 to 3.1.1 , because of jvm not having enough memory upgrade failed , Adjusted memory configurations and re upgraded datanode ,
> Now datanode upgrade has taken more time , on analyzing found that Storage#deleteDir has taken more time in RECOVER_UPGRADE state
> {code:java}
> "Thread-28" #270 daemon prio=5 os_prio=0 tid=0x00007fed5a9b8000 nid=0x2b5c runnable [0x00007fdcdad2a000]"Thread-28" #270 daemon prio=5 os_prio=0 tid=0x00007fed5a9b8000 nid=0x2b5c runnable [0x00007fdcdad2a000] java.lang.Thread.State: RUNNABLE at java.io.UnixFileSystem.delete0(Native Method) at java.io.UnixFileSystem.delete(UnixFileSystem.java:265) at java.io.File.delete(File.java:1041) at org.apache.hadoop.fs.FileUtil.deleteImpl(FileUtil.java:229) at org.apache.hadoop.fs.FileUtil.fullyDeleteContents(FileUtil.java:270) at org.apache.hadoop.fs.FileUtil.fullyDelete(FileUtil.java:182) at org.apache.hadoop.fs.FileUtil.fullyDeleteContents(FileUtil.java:285) at org.apache.hadoop.fs.FileUtil.fullyDelete(FileUtil.java:182) at org.apache.hadoop.fs.FileUtil.fullyDeleteContents(FileUtil.java:285) at org.apache.hadoop.fs.FileUtil.fullyDelete(FileUtil.java:182) at org.apache.hadoop.fs.FileUtil.fullyDeleteContents(FileUtil.java:285) at org.apache.hadoop.fs.FileUtil.fullyDelete(FileUtil.java:182) at org.apache.hadoop.fs.FileUtil.fullyDelete(FileUtil.java:153) at org.apache.hadoop.hdfs.server.common.Storage.deleteDir(Storage.java:1348) at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.doRecover(Storage.java:782) at org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.loadStorageDirectory(BlockPoolSliceStorage.java:174) at org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.loadBpStorageDirectories(BlockPoolSliceStorage.java:224) at org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.recoverTransitionRead(BlockPoolSliceStorage.java:253) at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadBlockPoolSliceStorage(DataStorage.java:455) at org.apache.hadoop.hdfs.server.datanode.DataStorage.addStorageLocations(DataStorage.java:389) - locked <0x00007fdf08ec7548> (a org.apache.hadoop.hdfs.server.datanode.DataStorage) at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:557) at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1761) - locked <0x00007fdf08ec7598> (a org.apache.hadoop.hdfs.server.datanode.DataNode) at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1697) at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:392) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:282) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:822) at java.lang.Thread.run(Thread.java:748) {code}
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