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https://issues.apache.org/jira/browse/HDFS-9825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15238891#comment-15238891
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Walter Su commented on HDFS-9825:
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The patch looks pretty good. Could you rebase it? And one question:
{code}
for(int iteration = 0;; iteration++) {
final Map<NameNodeConnector, Result> results = new LinkedHashMap<>();
for(NameNodeConnector nnc : connectors) {
{code}
Does it need to retry the succeeded/failed namenodes in each iteration? Since
One block pool may takes much longer than the others.
> Balancer should not terminate if only one of the namenodes has error
> --------------------------------------------------------------------
>
> Key: HDFS-9825
> URL: https://issues.apache.org/jira/browse/HDFS-9825
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer & mover
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Attachments: h9825_20160217.patch, h9825_20160218.patch,
> h9825_20160218b.patch
>
>
> Currently, the Balancer terminates if only one of the namenodes has error in
> federation setting. Instead, it should continue balancing the cluster with
> the remaining namenodes.
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