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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10312) Flooding the cluster with administrative actions leads to collapse
Date Tue, 15 Apr 2014 00:35:26 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl updated HBASE-10312:
----------------------------------

    Fix Version/s: 0.94.19

> 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
>            Priority: Critical
>             Fix For: 0.99.0, 0.94.19, 0.98.2, 0.96.3
>
>         Attachments: HBASE-10312-0.94.patch, HBASE-10312.patch
>
>
> 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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