[HADOOP-3457] IPC.Client retry delay should be interruptible

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 0.20.2, 0.21.0, 0.22.0
• Fix Version/s: 0.22.0
• Component/s: ipc
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 28/May/08 13:15
• Updated: 29/Apr/10 08:52
• Resolved: 30/Jan/10 15:21

Description

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.

Issue Links

• is part of: HADOOP-6221 RPC Client operations cannot be interrupted
• is related to: HADOOP-6221 RPC Client operations cannot be interrupted