IPC.Client retry delay could be made configurable
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Key: HADOOP-3457
URL: https://issues.apache.org/jira/browse/HADOOP-3457
Project: Hadoop Core
Issue Type: Improvement
Components: ipc
Affects Versions: 0.18.0
Reporter: Steve Loughran
Priority: Minor
The delay of ipc.Client.handleConnectionFailure() that causes the client to
block and wait is hard coded at 1 second; any interruption of the thread is
treated as a shortening of the delay.
// otherwise back off and retry
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {}
1. this delay could be configurable; different clients may wish to retry
more/less often. or at a slightly different rate than their peers.
2. interrupting the thread may imply the client has been requested to terminate
-this could be handled by declaring failure early, rather than continuing to
retry until the retry count is exceeded.
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