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From "Bharat Viswanadham (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDDS-1339) Implement Ratis Snapshots on OM
Date Fri, 05 Apr 2019 00:44:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bharat Viswanadham updated HDDS-1339:
-------------------------------------
    Fix Version/s: 0.5.0

> Implement Ratis Snapshots on OM
> -------------------------------
>
>                 Key: HDDS-1339
>                 URL: https://issues.apache.org/jira/browse/HDDS-1339
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.5.0
>
>          Time Spent: 5h
>  Remaining Estimate: 0h
>
> For bootstrapping and restarting OMs, we need to implement snapshots in OM. The OM state
maintained by RocksDB will be checkpoint-ed on demand. Ratis snapshots will only preserve
the last applied log index by the State Machine on disk. This index will be stored in file
in the OM metadata dir.



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