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From "Ariel Weisberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10972) File based hints don't implement backpressure and can OOM
Date Tue, 02 Feb 2016 16:12:39 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15128461#comment-15128461
] 

Ariel Weisberg commented on CASSANDRA-10972:
--------------------------------------------

I could go either way WRT to it being a feature or bug. I suppose if you have a production
cluster and nodes are OOMing it's a bug and if you don't it's a feature. If no one is beating
down the door complaining then it's a feature.

I rebased the branches and added a 3.3 commit and started the tests in addition to the changes
you mentioned.
|[3.0 code|https://github.com/apache/cassandra/compare/cassandra-3.0...aweisberg:CASSANDRA-10972-3.0?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10972-3.0-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10972-3.0-dtest/]|
|[3.3 code|https://github.com/apache/cassandra/compare/cassandra-3.3...aweisberg:CASSANDRA-10972-3.3?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10972-3.3-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10972-3.3-dtest/]|
|[trunk code|https://github.com/apache/cassandra/compare/trunk...aweisberg:CASSANDRA-10972-trunk?expand=1]|[utests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10972-trunk-testall/]|[dtests|http://cassci.datastax.com/view/Dev/view/aweisberg/job/aweisberg-CASSANDRA-10972-trunk-dtest/]|


> File based hints don't implement backpressure and can OOM
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-10972
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10972
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Ariel Weisberg
>            Assignee: Ariel Weisberg
>             Fix For: 3.0.x, 3.x
>
>
> This is something I reproduced in practice. I have what I think is a reasonable implementation
of backpressure, but still need to put together a unit test.



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