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https://issues.apache.org/jira/browse/JCR-3817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169333#comment-14169333
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Shashank Gupta commented on JCR-3817:
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* The idea is to update the lastModified asynchronously.
* It keeps a in-memory map which holds all in-progress async touch.
* Successful updation of lastModified will remove the entry from map.
* Async touch will not work in shared datastore mode and hence it is kept
configurable and by default it is disabled.
*
> [jackrabbit-aws-ext] Performance of normal operation degrades while running GC
> ------------------------------------------------------------------------------
>
> Key: JCR-3817
> URL: https://issues.apache.org/jira/browse/JCR-3817
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-data
> Affects Versions: 2.9
> Reporter: Shashank Gupta
> Fix For: 2.9.1
>
>
> It is because when GC is running lastModified of each record is updated in S3
> which affects the performance.
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