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From "V.Narayanan (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (DERBY-3567) AsynchronousLogShipper#forceFlush should time out
Date Wed, 02 Apr 2008 10:20:24 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

V.Narayanan reassigned DERBY-3567:
----------------------------------

    Assignee: Jørgen Løland

The patch attached by Jorgen to this issue looks good to me.
Jorgen has also indicated that the replication suite of tests
pass. Hence assigning this issue to him.

> AsynchronousLogShipper#forceFlush should time out
> -------------------------------------------------
>
>                 Key: DERBY-3567
>                 URL: https://issues.apache.org/jira/browse/DERBY-3567
>             Project: Derby
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 10.4.0.0, 10.5.0.0
>            Reporter: Jørgen Løland
>            Assignee: Jørgen Løland
>         Attachments: derby-3567-1a.diff, derby-3567-1a.stat
>
>
> If the network connection to the slave is lost, ObjectOutputStream#writeObject may be
blocked for 2 minutes before failing (not configurable TCP property). 
> Currently, ALS#forceFlush sends a chunk of log to the slave using the client thread.
The client thread cannot be blocked for 2 minutes before giving up. Rather, it should notify
the log shipper that it has to send log immediately, and then wait for a short while (until
notified or e.g. maximum 5 seconds). If the log shipper has not been able to empty some space
in the log buffer by then, replication should be stopped.

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