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Posted to commits@helix.apache.org by "Lei Xia (JIRA)" <ji...@apache.org> on 2017/09/20 21:54:00 UTC

[jira] [Updated] (HELIX-559) Helix web admin performance issues

     [ https://issues.apache.org/jira/browse/HELIX-559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lei Xia updated HELIX-559:
--------------------------
    Fix Version/s:     (was: 0.6.5)
                   0.6.x

> Helix web admin performance issues
> ----------------------------------
>
>                 Key: HELIX-559
>                 URL: https://issues.apache.org/jira/browse/HELIX-559
>             Project: Apache Helix
>          Issue Type: Bug
>    Affects Versions: 0.6.4
>            Reporter: Zhen Zhang
>            Assignee: Lei Xia
>             Fix For: 0.6.x
>
>
> 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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