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https://issues.apache.org/jira/browse/HDDS-2328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17722864#comment-17722864
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Uma Maheswara Rao G commented on HDDS-2328:
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[~hemantk] and [~swamirishi] could you please check this?
> Support large-scale listing
> ----------------------------
>
> Key: HDDS-2328
> URL: https://issues.apache.org/jira/browse/HDDS-2328
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Manager
> Reporter: Rajesh Balamohan
> Priority: Critical
> Labels: TriagePending, ozone-jira-volunteer,
> ozone-moved-out-critical, performance
>
> Large-scale listing of directory contents takes a lot longer time and also
> has the potential to run into OOM. I have > 1 million entries in the same
> level and it took lot longer time with {{RemoteIterator}} (didn't complete as
> it was stuck in RDB::seek).
> S3A batches it with 5K listing per fetch IIRC. It would be good to have this
> feature in ozone as well.
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