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https://issues.apache.org/jira/browse/HDDS-9710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemant Kumar resolved HDDS-9710.
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Fix Version/s: 1.4.1
Resolution: Fixed
> Missing snapshot entries list Snapshot under a bucket API
> ----------------------------------------------------------
>
> Key: HDDS-9710
> URL: https://issues.apache.org/jira/browse/HDDS-9710
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Swaminathan Balachandran
> Assignee: Swaminathan Balachandran
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.1
>
>
> Snapshot list might be missing entries in the return list. Currently the list
> happens in a paginated fashion getting few snapshots at a time. Thus every
> page updates the previous value as the last entry in the previous page,
> helping the api to seek to the next snapshot directly. The problem is we form
> the listing by getting the first few entries from the cache and then the
> remaining entries from the table and return the concatenated list.
> Consider the case:
> TableCache has snap100...snap125
> RocksDB Table has snap0...snap99
> Now we want to list all snapshots from snap50 with maxPageSize of 30:
> The expected list should be:
> snap50 to snap80
> But the current output is snap50 to snap54 ... snap100 to snap125 which is
> wrong. The next page would start from snap125, thus missing the snapshot 55
> to snap100 altogether. The ideal approach would be to merge these two streams
> and get the snapshots in a sorted order.
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