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Posted to issues@ozone.apache.org by "Bharat Viswanadham (Jira)" <ji...@apache.org> on 2022/01/10 23:41:00 UTC

[jira] [Assigned] (HDDS-5941) Enable sync option for SCM non-HA

     [ https://issues.apache.org/jira/browse/HDDS-5941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bharat Viswanadham reassigned HDDS-5941:
----------------------------------------

    Assignee:     (was: Bharat Viswanadham)

> Enable sync option for SCM non-HA 
> ----------------------------------
>
>                 Key: HDDS-5941
>                 URL: https://issues.apache.org/jira/browse/HDDS-5941
>             Project: Apache Ozone
>          Issue Type: Task
>            Reporter: Bharat Viswanadham
>            Priority: Major
>             Fix For: 0.5.0
>
>
> In SCM non-HA when we use rocksdb put, it should write to DB with sync turned on. As in non-HA when power failure/system crashes, the operations which are acknowledged by SCM might be lost in this kind of scenario. (As in rocks DB with Sync false, the flush is asynchronous and it will not persist to storage system)
>  
> In HA, this is not a problem because the guarantee is provided by ratis and ratis logs.



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