[
https://issues.apache.org/jira/browse/HDFS-10297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Wang updated HDFS-10297:
-------------------------------
Fix Version/s: 2.9.0
Committed to trunk and branch-2, branch-2.8 wasn't clean. John, if you want it
in 2.8, do you mind providing a branch-2.8 patch? Else we can just resolve.
> Increase default balance bandwidth and concurrent moves
> -------------------------------------------------------
>
> Key: HDFS-10297
> URL: https://issues.apache.org/jira/browse/HDFS-10297
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Affects Versions: 2.6.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Minor
> Labels: supportability
> Fix For: 2.9.0
>
> Attachments: HDFS-10297.001.patch, HDFS-10297.002.patch,
> HDFS-10297.003.patch
>
>
> Adjust the default values to better support the current level of customer
> host and network configurations.
> Increase the default for property {{dfs.datanode.balance.bandwidthPerSec}}
> from 1 to 10 MB. Apply to DN. 10 MB/s is about 10% of the GbE network.
> Increase the default for property
> {{dfs.datanode.balance.max.concurrent.moves}} from 5 to 50. Apply to DN and
> Balancer. The default number of DN receiver threads is 4096. The default
> number of balancer mover threads is 1000.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
