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https://issues.apache.org/jira/browse/HDDS-8499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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George Jahad updated HDDS-8499:
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Summary: Add mechanism to notify threads when om double buffer flushed
(was: Add mechanism to notify threads when om double buffer flush is complete)
> Add mechanism to notify threads when om double buffer flushed
> -------------------------------------------------------------
>
> Key: HDDS-8499
> URL: https://issues.apache.org/jira/browse/HDDS-8499
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: George Jahad
> Assignee: George Jahad
> Priority: Major
>
> In order to support bootstrapping followers, the om snapshot subsystem needs
> to make consistent copies snapshot, including the deleted keys table which
> can be updated at any time.
> This means that the background processes modifying the deletedKeys tables
> need to be halted, and then the bootstrapping process needs to wait for the
> double buffer to be flushed, (so that any remaining mods to the deletedKeys
> table is up to date.)
> This PR adds the mechanism to allow a thread to wait until the double buffer
> has been flushed.
>
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