[jira] [Resolved] (KUDU-1959) Hard to tell when a cluster is done starting up

["Abhishek (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KUDU-1959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Abhishek resolved KUDU-1959.
----------------------------
    Fix Version/s: 1.16.0
       Resolution: Fixed

> Hard to tell when a cluster is done starting up
> -----------------------------------------------
>
>                 Key: KUDU-1959
>                 URL: https://issues.apache.org/jira/browse/KUDU-1959
>             Project: Kudu
>          Issue Type: Improvement
>          Components: ops-tooling
>            Reporter: Jean-Daniel Cryans
>            Assignee: Abhishek
>            Priority: Major
>              Labels: roadmap-candidate, usability
>             Fix For: 1.16.0
>
>
> Restarting a cluster that has a good amount of data, it's hard to tell when it's "done". Right now the things I do:
>  - Run ksck, wait until most tablets are not in "unavailable" or "boostrapping" state.
>  - Watch the metrics and see when the data under management is close to where it was before restarting (it grows as tablets are getting bootstrapped).
>  - Look at the tablet server web UIs for tablets, compare how many are done bootstrapping VS in the process of VS not started.
> Ideas on how to improve this:
>  - In the master's web UI for tablet servers, show how many tablets are running VS not running (I wouldn't add anything about tombstoned tablets)
>  - Add metrics for tablets in different states.



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