[jira] [Updated] (CASSANDRA-7750) Do not flush on truncate if "durable_writes" is false.

["Jeremiah Jordan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-7750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeremiah Jordan updated CASSANDRA-7750:
---------------------------------------

    Attachment: 7750-2.1.txt
                7750-2.0.txt

Patches for 2.0 and 2.1 to put back the "just throw the memtables away" code if durable writes is false and auto snapshot is false.

> Do not flush on truncate if "durable_writes" is false.
> ------------------------------------------------------
>
>                 Key: CASSANDRA-7750
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7750
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jeremiah Jordan
>            Assignee: Jeremiah Jordan
>            Priority: Minor
>             Fix For: 2.0.10, 2.1.1
>
>         Attachments: 7750-2.0.txt, 7750-2.1.txt
>
>
> CASSANDRA-7511 changed truncate so it will always flush to fix commit log issues.  If durable_writes is false, then there will not be able data in the commit log for the table, so we can safely just drop the memtables and not flush.



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