[HBASE-16289] AsyncProcess stuck messages need to print region/server

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.3.0, 1.1.6, 1.2.3, 2.0.0
• Component/s: Operability
• Labels: beginner
• Hadoop Flags: Reviewed

Release Note

Adds logging of region and server. Helpful debugging. Logging now looks like this:
{code}
2016-06-23 17:07:18,759 INFO [Thread-1] client.AsyncProcess$AsyncRequestFutureImpl(1601): #1, waiting for 1 actions to finish on table: DUMMY_TABLE
2016-06-23 17:07:18,759 INFO [Thread-1] client.AsyncProcess(1720): Left over 1 task(s) are processed on server(s): [s1:1,1,1]
2016-06-23 17:07:18,759 INFO [Thread-1] client.AsyncProcess(1728): Regions against which left over task(s) are processed: [DUMMY_TABLE,DUMMY_BYTES_1,1.3fd12ea80b4df621fb15497ba75f7368.,DUMMY_TABLE,DUMMY_BYTES_2,2.924207e242e313d2e5491c625e0a296e.]
{code}

• Assignee: Yu Li
• Reporter: Michael Stack
• Created: 27/Jul/16 06:14
• Updated: 29/Aug/16 16:59
• Resolved: 29/Jul/16 04:18

Description

Fix these out of AsyncProcess...

'2016-07-21 20:16:56.477 o.a.h.h.c.AsyncProcess [INFO] #13, waiting for 25 actions to finish'

They are totally opaque, when you see one, it means a request is ten seconds old at least. It is awkward to do but we should be able to emit region/server.