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https://issues.apache.org/jira/browse/HDFS-13783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16893896#comment-16893896
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Chen Zhang commented on HDFS-13783:
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Thanks [~xkrogen] for your review again
{quote} * You still have this typo: {{scheduleInteral}} ->
{{scheduleInterval}}{quote}
It's really a low-level mistake, the initial typo is scheduleInteral, I didn't
check it carefully and just think i mis-spelled the "v" as "r", then I changed
it to scheduleInteval, my bad :(
{quote}Besides fixing the checkstlye warnings reported by Jenkins
{quote}
I've fixed some checkstyle error, but I'm not sure if all of them are fixed,
I'm really not good at it because the new error are mixed with old ones, is
there any convenient way to list all the new added checkstyle errors?
Uploaded the v5 patch. In addition, I add a check in the new added run() method
to avoid multiple thread run the service at the same time.
> Balancer: make balancer to be a long service process for easy to monitor it.
> ----------------------------------------------------------------------------
>
> Key: HDFS-13783
> URL: https://issues.apache.org/jira/browse/HDFS-13783
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: balancer & mover
> Reporter: maobaolong
> Assignee: Chen Zhang
> Priority: Major
> Attachments: HDFS-13783-001.patch, HDFS-13783-002.patch,
> HDFS-13783.003.patch, HDFS-13783.004.patch, HDFS-13783.005.patch
>
>
> If we have a long service process of balancer, like namenode, datanode, we
> can get metrics of balancer, the metrics can tell us the status of balancer,
> the amount of block it has moved,
> We can get or set the balance plan by the balancer webUI. So many things we
> can do if we have a long balancer service process.
> So, shall we start to plan the new Balancer? Hope this feature can enter the
> next release of hadoop.
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