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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-705) explore replacing socket nio with blocking io
Date Mon, 18 Jan 2010 22:56:54 GMT

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

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

    Attachment:     (was: 0009-debug-logging.patch)

> explore replacing socket nio with blocking io
> ---------------------------------------------
>
>                 Key: CASSANDRA-705
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-705
>             Project: Cassandra
>          Issue Type: Task
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.6
>
>         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,
0004-implement-streaming-w-blocking-io.txt, 0005-convert-gossip-to-use-tcp.-this-finishes-the-removal-o.txt,
0006-handle-node-failure.patch
>
>
> 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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