[jira] [Updated] (CASSANDRA-17267) Snapshot true size is miscalculated

["Benjamin Lerer (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-17267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Lerer updated CASSANDRA-17267:
---------------------------------------
    Reviewers: Benjamin Lerer

> Snapshot true size is miscalculated
> -----------------------------------
>
>                 Key: CASSANDRA-17267
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17267
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local/Snapshots
>            Reporter: Paulo Motta
>            Assignee: Paulo Motta
>            Priority: Normal
>
> As far as I understand, the snapshot "size on disk" is the total size of the snapshot, while the "true size" is the (size_on_disk - size_of_live_sstables).
> I created a snapshot on a 3.11 node without traffic and I expected the "true size" to be 0KB since the original sstables were still present, but this didn't seem to be the case:
> {noformat}
> $ nodetool listsnapshots
> Snapshot Details:
> Snapshot name Keyspace name Column family name True size Size on disk
> test          ks1           tbl1               4.86 KiB  5.69 KiB
> Total TrueDiskSpaceUsed: 4.86 KiB
> {noformat}



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