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https://issues.apache.org/jira/browse/HDFS-15879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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tomscut updated HDFS-15879:
---------------------------
Description:
Previously, we have monitored the slow nodes, related to [Maintain aggregated
peer performance metrics on
NameNode|https://issues.apache.org/jira/browse/HDFS-11194] .
We can use a thread to periodically collect these slow nodes into a set. Then
use the set to filter out slow nodes when choose targets for blocks.
This feature can be configured to be turned on when needed.
was:
Previously, we have monitored the slow nodes, related to
https://issues.apache.org/jira/browse/HDFS-11194.
We can use a thread to periodically collect these slow nodes into a set. Then
use the set to filter out slow nodes when choose targets for blocks.
This feature can be configured to be turned on when needed.
> Exclude slow nodes when choose targets for blocks
> -------------------------------------------------
>
> Key: HDFS-15879
> URL: https://issues.apache.org/jira/browse/HDFS-15879
> Project: Hadoop HDFS
> Issue Type: Wish
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
>
> Previously, we have monitored the slow nodes, related to [Maintain aggregated
> peer performance metrics on
> NameNode|https://issues.apache.org/jira/browse/HDFS-11194] .
> We can use a thread to periodically collect these slow nodes into a set. Then
> use the set to filter out slow nodes when choose targets for blocks.
> This feature can be configured to be turned on when needed.
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