cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonathan Ellis <>
Subject Re: Forced Failover Test for 0.6.0-RC1
Date Sat, 10 Apr 2010 15:49:23 GMT

On Sat, Apr 10, 2010 at 10:38 AM, Mark Greene <> wrote:
> Hi,
> I'm testing out failover for 0.6.0-RC1 and seeing varied behavior in
> Cassandra's ability to replay the commit log after a forced failure.
> My test is this:
> 1) Run ./cassandra -f
> 2) Insert a value through the CLI and immediately force a shutdown of
> cassandra after I see the "Value inserted" confirmation from the CLI.
> If I shutdown cassandra quickly, within a second or two of seeing "Value
> Inserted" the data seems to be lost after starting cassandra back up. I did
> a nodetool repair and flush as well just in case that may have had any
> affect.
> Conversely, if I waited about 5 seconds before shutting down cassandra, then
> started it again, I was able to retrieve the data from the CLI.
> Any ideas?
> Thanks in advance,
> Mark

View raw message