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Posted to commits@helix.apache.org by "Zhen Zhang (JIRA)" <ji...@apache.org> on 2014/12/12 01:09:13 UTC
[jira] [Commented] (HELIX-559) Helix web admin performance issues
[ https://issues.apache.org/jira/browse/HELIX-559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243415#comment-14243415 ]
Zhen Zhang commented on HELIX-559:
----------------------------------
https://reviews.apache.org/r/28974/diff/#
> Helix web admin performance issues
> ----------------------------------
>
> Key: HELIX-559
> URL: https://issues.apache.org/jira/browse/HELIX-559
> Project: Apache Helix
> Issue Type: Bug
> Reporter: Zhen Zhang
> Assignee: Zhen Zhang
>
> Helix web admin has a couple of performance issues:
> - Use restlet default server which is slow
> Need to switch to use jetty
> - Unnecessary json deserialization/serialization
> For reading idealStates from helix web admin, we read as ZNRecord, serialize ZNRecord to byte arrays, and return the result. It's not necessary to do the der/ser which costs lots of CPU cycles. Instead, we can read the raw data as byte arrays and return it directly.
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