[jira] [Updated] (HDDS-1859) Need a way to determine relative position of OM instances when cluster is down

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

     [ https://issues.apache.org/jira/browse/HDDS-1859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arpit Agarwal updated HDDS-1859:
--------------------------------
    Component/s: OM HA

> Need a way to determine relative position of OM instances when cluster is down
> ------------------------------------------------------------------------------
>
>                 Key: HDDS-1859
>                 URL: https://issues.apache.org/jira/browse/HDDS-1859
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>          Components: HA, OM HA, Ozone Manager
>            Reporter: Arpit Agarwal
>            Priority: Major
>
> It will be useful to figure out the relative positions of the OM instances when the cluster is down.
> In HDFS world, we can do this by examining the edit log files and the {{seen_txid}} file.
> In Ozone, this is slightly more difficult. We have to determine
> # relative positions of Ratis logs, i.e. log index and committed index. We may need to build some offline Ratis log parser for this.
> # relative positions of state machines. i.e. last applied index.



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