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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2341) Suite of test scripts that a.) load a cluster with a verifiable dataset and b.) do random kills of regionserver+datanodes in small cluster
Date Wed, 17 Mar 2010 23:26:27 GMT
Suite of test scripts that a.) load a cluster with a verifiable dataset and b.) do random kills
of regionserver+datanodes in small cluster
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                 Key: HBASE-2341
                 URL: https://issues.apache.org/jira/browse/HBASE-2341
             Project: Hadoop HBase
          Issue Type: Task
            Reporter: stack
             Fix For: 0.20.4, 0.21.0


We just filed hbase-2340 but discussion up on irc has it that we need something more hardcore
than pussy-footing inside a single jvm as hdfs-2340 does.  The point was made (tlipcon) that
its hard to ensure real recovery working if all is in the one JVM.

So, this issue is about scripts that can:

+ load a cluster with a dataset that we can 'verify' as in we can tell if it has holes in
it, if data has been lost.
+ script that does random kill of a random node on some random occasion
+ Script that can check cluster for data loss

All above should work while cluster is under load.

The above would not sit under junit.

This looks like a suite that we'd want to run up in ec2 using Andrew's scripts and our donated
aws credits.

{code}
16:12 < tlipcon> here's my goal: we have a 5 node cluster in the back room. I want to
run hbase on that at near full load for a week straight while some process goes around screwing
with it
16:12 < tlipcon> then I want to verify that I didn't lose a single edit over that week
{code}

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