You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@cassandra.apache.org by "Benjamin Lerer (Jira)" <ji...@apache.org> on 2020/05/19 12:37:00 UTC

[jira] [Comment Edited] (CASSANDRA-15667) StreamResultFuture check for completeness is inconsistent, leading to races

    [ https://issues.apache.org/jira/browse/CASSANDRA-15667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17091505#comment-17091505 ] 

Benjamin Lerer edited comment on CASSANDRA-15667 at 5/19/20, 12:36 PM:
-----------------------------------------------------------------------

Jenkins CI runs:
|[4.0|https://ci-cassandra.apache.org/job/Cassandra-devbranch/126/]|[3.0|https://ci-cassandra.apache.org/job/Cassandra-devbranch/125/]|[3.11|https://ci-cassandra.apache.org/job/Cassandra-devbranch/124/]|


was (Author: blerer):
Jenkins CI runs:
|[4.0|https://ci-cassandra.apache.org/job/Cassandra-devbranch/74/]|[3.0|https://ci-cassandra.apache.org/job/Cassandra-devbranch/75/]|[3.11|https://ci-cassandra.apache.org/job/Cassandra-devbranch/76/]|

> StreamResultFuture check for completeness is inconsistent, leading to races
> ---------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15667
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15667
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Streaming and Messaging
>            Reporter: Sergio Bossa
>            Assignee: Massimiliano Tomassi
>            Priority: Normal
>             Fix For: 4.0-alpha
>
>         Attachments: log_bootstrap_resumable
>
>
> {{StreamResultFuture#maybeComplete()}} uses {{StreamCoordinator#hasActiveSessions()}} to determine if all sessions are completed, but then accesses each session state via {{StreamCoordinator#getAllSessionInfo()}}: this is inconsistent, as the former relies on the actual {{StreamSession}} state, while the latter on the {{SessionInfo}} state, and the two are concurrently updated with no coordination whatsoever.
> This leads to races, i.e. apparent in some dtest spurious failures, such as {{TestBootstrap.resumable_bootstrap_test}} in CASSANDRA-15614 cc [~e.dimitrova].



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@cassandra.apache.org
For additional commands, e-mail: commits-help@cassandra.apache.org