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Posted to common-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2015/09/01 10:43:45 UTC
[jira] [Commented] (HADOOP-12371) hadoop fs -expunge is not able to
remove trash
[ https://issues.apache.org/jira/browse/HADOOP-12371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14724992#comment-14724992 ]
Weiwei Yang commented on HADOOP-12371:
--------------------------------------
Run
{panel}
hadoop fs -expunge
15/09/01 01:02:34 INFO fs.TrashPolicyDefault: Namenode trash configuration: Deletion interval = 360 minutes, Emptier interval = 0 minutes.
{panel}
Shell output doesn't indicate expunge is in progress or not, we need to improve the messages to be more informative. And this command seems not work, trash files are not removed, check NN log
{panel}
2015-07-27 22:32:14,837 INFO fs.TrashPolicyDefault (TrashPolicyDefault.java:initialize(92)) - Namenode trash configuration: Deletion interval = 360 minutes, Emptier interval = 0 minutes.
2015-07-27 22:32:14,837 INFO fs.TrashPolicyDefault (TrashPolicyDefault.java:<init>(247)) - The configured checkpoint interval is 0 minutes. Using an interval of 360 minutes that is used for deletion instead
{panel}
So it looks like the Emptier thinks this is a client configuration and ignore it, using server side 360 minutes instead. By running this command, I expect to remove trash however it doesn't honor the intention.
> hadoop fs -expunge is not able to remove trash
> ----------------------------------------------
>
> Key: HADOOP-12371
> URL: https://issues.apache.org/jira/browse/HADOOP-12371
> Project: Hadoop Common
> Issue Type: Bug
> Components: trash
> Affects Versions: 2.7.1
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Labels: namenode, trash
>
> After HADOOP-8689, hadoop fs -expunge seems not work anymore. It returns following message from shell output : The configured checkpoint interval is 0 minutes. Using an interval of 360 minutes that is used for deletion instead. Never removing the trash files.
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