[jira] [Resolved] (ZOOKEEPER-4291) ZooInspector has very high latency when operating against remote clusters

["Mate Szalay-Beko (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-4291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mate Szalay-Beko resolved ZOOKEEPER-4291.
-----------------------------------------
    Fix Version/s: 3.8.0
       Resolution: Fixed

Issue resolved by pull request 1796
[https://github.com/apache/zookeeper/pull/1796]

> ZooInspector has very high latency when operating against remote clusters
> -------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-4291
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4291
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: contrib
>    Affects Versions: 3.6.2, 3.8.0, 3.7.1
>            Reporter: Brent
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.8.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> The ZooInspector tool performs well when connecting to a Zookeeper cluster on the same host it is being run on or to a very close host (network-wise).  However, when run against a Zookeeper cluster that is remote (such as one running in the cloud), the tool exhibits very high latency.  In my experience, at worst it can takes up to 20-30 seconds between the time a node is expanded and the time the UI is updated. 
> Upon brief inspection, this seems to be due to network calls to Zookeeper being made from the rendering thread (though this is not entirely clear). 
> I will (hopefully) be attempting to create a pull request to remedy this issue, but I wanted to report it first.



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