[jira] Updated: (CASSANDRA-705) explore replacing socket nio with blocking io

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-705:
-------------------------------------

    Attachment: 0003-replace-tcp-writes-w-blocking-i-o.txt
                0002-replace-tcp-socket-reads-w-blocking-i-o.txt
                0001-make-shutdown-non-reentrant-and-make-MS-a-true-singlet.txt

> explore replacing socket nio with blocking io
> ---------------------------------------------
>
>                 Key: CASSANDRA-705
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-705
>             Project: Cassandra
>          Issue Type: Task
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>         Attachments: 0001-make-shutdown-non-reentrant-and-make-MS-a-true-singlet.txt, 0002-replace-tcp-socket-reads-w-blocking-i-o.txt, 0003-replace-tcp-writes-w-blocking-i-o.txt
>
>
> MessagingService's nonblocking io has been a source of bugs both in our code and in the JVM in every release of Cassandra.  Time to explore moving to blocking i/o, which is simpler, more robust (in terms of the JVM implementation), and possibly more performant as well (http://paultyma.blogspot.com/2008/03/writing-java-multithreaded-servers.html).

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