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https://issues.apache.org/jira/browse/HDDS-14245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-14245:
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Labels: pull-request-available (was: )
> Optimize Prepare Batch looping to optimize delete range search using prefix
> count index structure
> -------------------------------------------------------------------------------------------------
>
> Key: HDDS-14245
> URL: https://issues.apache.org/jira/browse/HDDS-14245
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Swaminathan Balachandran
> Assignee: Swaminathan Balachandran
> Priority: Major
> Labels: pull-request-available
>
> Currently in prepare batch to verify if an operation is still valid an
> O(n)check is performed on each and every deleteRange op that has occured
> after the operation. This is done for each operation in the batch and if all
> deleteRanges are going to be stacked at the end then the prepare batch can
> become an O(n{^}2{^}) operation making it unoptimal. This patch aims to
> create Index data structure to track all the deleteRange operations and
> provide an efficient way to check if a delete range operation exists or not.
> The delete ranges would also be popped out of the index structure as and when
> the delete range op gets executed.
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