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From "Yusaku Sako (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-12313) Service config pages load extremely slowly (especially on big clusters)
Date Tue, 07 Jul 2015 17:56:05 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-12313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617075#comment-14617075
] 

Yusaku Sako commented on AMBARI-12313:
--------------------------------------

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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