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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10312) Flooding the cluster with administrative actions leads to collapse
Date Fri, 10 Jan 2014 19:25:54 GMT
Andrew Purtell created HBASE-10312:

             Summary: Flooding the cluster with administrative actions leads to collapse
                 Key: HBASE-10312
                 URL: https://issues.apache.org/jira/browse/HBASE-10312
             Project: HBase
          Issue Type: Bug
            Reporter: Andrew Purtell

Steps to reproduce:
1. Start a cluster.
2. Start an ingest process.
3. In the HBase shell, do this:
while true ; do
   flush 'table'

We should reject abuse via administrative requests like this.

What happens on the cluster is the requests back up, leading to lots of these:
2014-01-10 18:55:55,293 WARN  [Priority.RpcServer.handler=2,port=8120] monitoring.TaskMonitor:
Too many actions in action monitor! Purging some.

At this point we could lower a gate on further requests for actions until the backlog clears.

Continuing, all of the regionservers will eventually die with a StackOverflowError of unknown
origin because, stack overflow:

2014-01-10 19:02:02,783 ERROR [Priority.RpcServer.handler=3,port=8120] ipc.RpcServer: Unexpected
throwable object java.lang.StackOverflowError
        at java.util.ArrayList$SubList.add(ArrayList.java:965)

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