AsynchronousLogShipper#forceFlush should time out
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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
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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