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https://issues.apache.org/jira/browse/HBASE-10312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13967232#comment-13967232
 ] 

Hadoop QA commented on HBASE-10312:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org
  against trunk revision .
  ATTACHMENT ID: http:

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include 
any new or modified tests.
                        Please justify why no new tests are needed for this 
patch.
                        Also please list what manual steps were performed to 
verify this patch.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/9262//console

This message is automatically generated.

> 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
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.99.0, 0.98.2, 0.96.3
>
>         Attachments: HBASE-10312.java
>
>
> Steps to reproduce:
> 1. Start a cluster.
> 2. Start an ingest process.
> 3. In the HBase shell, do this:
> {noformat}
> while true do
>    flush 'table'
> end
> {noformat}
> We should reject abuse via administrative requests like this.
> What happens on the cluster is the requests back up, leading to lots of these:
> {noformat}
> 2014-01-10 18:55:55,293 WARN  [Priority.RpcServer.handler=2,port=8120] 
> monitoring.TaskMonitor: Too many actions in action monitor! Purging some.
> {noformat}
> 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:
> {noformat}
> 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)
> [...]
> {noformat}



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