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https://issues.apache.org/jira/browse/HDFS-10246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15291131#comment-15291131
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Kihwal Lee commented on HDFS-10246:
-----------------------------------

HDFS-7097 and HDFS-6763 also mitigate spikes on standby name nodes. 

> Standby NameNode  dfshealth.jsp   Response very slow 
> -----------------------------------------------------
>
>                 Key: HDFS-10246
>                 URL: https://issues.apache.org/jira/browse/HDFS-10246
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.2.0
>         Environment: CentOS6.3  Hadoop-2.2.0 
>            Reporter: zhangyubiao
>              Labels: bug
>         Attachments: stacks.txt, 屏幕快照 2016-04-07 下午6.04.36.png
>
>
> HDFS Standby NameNode  dfshealth.jsp   Response very slow



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