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Posted to yarn-issues@hadoop.apache.org by "Tao Yang (JIRA)" <ji...@apache.org> on 2016/10/19 08:40:59 UTC
[jira] [Created] (YARN-5749) Fail to localize resources after
health status for local dirs changed occurred by the change of
FileContext#setUMask
Tao Yang created YARN-5749:
------------------------------
Summary: Fail to localize resources after health status for local dirs changed occurred by the change of FileContext#setUMask
Key: YARN-5749
URL: https://issues.apache.org/jira/browse/YARN-5749
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 3.0.0-alpha2
Reporter: Tao Yang
HADOOP-13440 updated FileContext#setUMask method to change umask from local variable to global variable through updating conf value of "fs.permissions.umask-mode".
This method might be called to update value for global umask by LogWriter and ResourceLocalizationService.
After an application finished, LogWriter will update the umask value to be "137" while uploading logs for containers. Then the global umask value is updated right now and will affect other services. In my case , After one of local directories is marked as bad (because the disk used space is above the threshold defined by "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage"), ResourceLocalizationService will reinitailize the left local directories and change the permission from "drwxr-xr-x" to "drw-r-----"(umask value changed from "022" to "137"). From now on, The NM will always fail to localize resources as the local directories is not executable.
Detail logs are as follows:
{code}
2016-10-19 15:36:32,650 WARN org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext: Disk Error Exception:
org.apache.hadoop.util.DiskChecker$DiskErrorException: Directory is not executable: /home/yangtao.yt/hadoop-data/nm-local-dir-2/nmPrivate
at org.apache.hadoop.util.DiskChecker.checkAccessByFileMethods(DiskChecker.java:215)
at org.apache.hadoop.util.DiskChecker.checkDirAccess(DiskChecker.java:190)
at org.apache.hadoop.util.DiskChecker.checkDir(DiskChecker.java:124)
at org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.createPath(LocalDirAllocator.java:350)
at org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathForWrite(LocalDirAllocator.java:412)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:151)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:132)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:116)
at org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService.getLocalPathForWrite(LocalDirsHandlerService.java:563)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:1162)
2016-10-19 15:36:32,650 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService: Localizer failed
org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find any valid local directory for nmPrivate/container_e26_1476858409240_0004_01_000005.tokens
at org.apache.hadoop.fs.LocalDirAllocator$AllocatorPerContext.getLocalPathForWrite(LocalDirAllocator.java:441)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:151)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:132)
at org.apache.hadoop.fs.LocalDirAllocator.getLocalPathForWrite(LocalDirAllocator.java:116)
at org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService.getLocalPathForWrite(LocalDirsHandlerService.java:563)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService$LocalizerRunner.run(ResourceLocalizationService.java:1162)
2016-10-19 15:36:32,652 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl: Container container_e26_1476858409240_0004_01_000005 transitioned from LOCALIZING to LOCALIZATION_FAILED
{code}
In my opinion, it's better if FileContext can compatible with past usage.
Please feel free to give your suggestions.
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