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From "Zhen Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (HELIX-559) Helix web admin performance issues
Date Mon, 15 Dec 2014 19:53:13 GMT

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

Zhen Zhang closed HELIX-559.
    Resolution: Fixed

> 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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