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https://issues.apache.org/jira/browse/HDFS-16500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chengwei Wang updated HDFS-16500:
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Description:
I have backport the nice feature HDFS-16043 to our internal branch, it works
well in our testing cluster.
I think it's better to make the fileds deleteBlockLockTimeMs and
deleteBlockUnlockIntervalTimeMs configurable, so that we can control the lock
and unlock duration.
{code:java}
private final long deleteBlockLockTimeMs = 500;
private final long deleteBlockUnlockIntervalTimeMs = 100;{code}
And we should set the default value smaller to avoid blocking other requests
long time when delete some large directories.
was:
I have backport the nice feature HDFS-16043 to our internal branch, it works
well in our testing cluster.
I think it's better to make the fileds deleteBlockLockTimeMs and
deleteBlockUnlockIntervalTimeMs configurable, so that we can control the lock
and unlock duration. And we should set the default value smaller to avoid
blocking other requests long time.
> Make asynchronous blocks deletion lock and unlock durtion threshold
> configurable
> ---------------------------------------------------------------------------------
>
> Key: HDFS-16500
> URL: https://issues.apache.org/jira/browse/HDFS-16500
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namanode
> Reporter: Chengwei Wang
> Assignee: Chengwei Wang
> Priority: Major
>
> I have backport the nice feature HDFS-16043 to our internal branch, it works
> well in our testing cluster.
> I think it's better to make the fileds deleteBlockLockTimeMs and
> deleteBlockUnlockIntervalTimeMs configurable, so that we can control the lock
> and unlock duration.
> {code:java}
> private final long deleteBlockLockTimeMs = 500;
> private final long deleteBlockUnlockIntervalTimeMs = 100;{code}
> And we should set the default value smaller to avoid blocking other requests
> long time when delete some large directories.
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