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https://issues.apache.org/jira/browse/AMBARI-12313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617075#comment-14617075
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Yusaku Sako commented on AMBARI-12313:
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Performance improvement before and after the patch on the 822-node cluster:
HDFS 36s -> 3s
YARN 35s -> 4s
MAPREDUCE 32 -> 3s
Hive 32 -> 4s
HBase 30 -> 3s
> Service config pages load extremely slowly (especially on big clusters)
> -----------------------------------------------------------------------
>
> Key: AMBARI-12313
> URL: https://issues.apache.org/jira/browse/AMBARI-12313
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Fix For: 2.1.0
>
> Attachments: AMBARI-12313.patch
>
>
> The following load time of the service config pages were observed on a 800+
> node cluster:
> HDFS: 36s
> MAPREDUCE2: 32s
> YARN: 35s
> HIVE: 32s
> HBASE: 30s
> Ambari Web makes a number of API calls, but majority of the time is spent on
> UI-side processing. We need to see what we can optimize.
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