Re: read repair keeps occurring on every quorum read

2009-09-30 Thread Jonathan Ellis
Since JIRA is mostly dead right now, here is the patch to test against 0.4. On Mon, Sep 28, 2009 at 4:30 PM, Edmond Lau edm...@ooyala.com wrote: On Fri, Sep 25, 2009 at 8:10 PM, Jonathan Ellis jbel...@gmail.com wrote: No, you're mixing two related concepts. When you do a quorum read it will

Data Corruption Problem with cassandra 0.4.0

2009-09-30 Thread Anthony Molinaro
Hi, I'm not getting any responses on IRC, so figured I'd put this out on the mailing list. I had a 3 node cassandra cluster, replication factor 3 on 3 ec2 m1.large instances behind an haproxy. I restarted one of the node to test out some modified sysctl's (tcp stack tuning). As soon as I

Re: Data Corruption Problem with cassandra 0.4.0

2009-09-30 Thread Anthony Molinaro
More data, I decided to force a flush on the table I know was corrupt and got this error ERROR [MINOR-COMPACTION-POOL:1] 2009-09-30 18:42:01,010 DebuggableThreadPoolExec utor.java (line 103) Error in executor futuretaskjava.util.concurrent.ExecutionException: java.io.EOFException at

Re: read repair keeps occurring on every quorum read

2009-09-30 Thread Edmond Lau
Sweet. Jonathan, I patched in your change and no longer see a read repair for every quorum read in the debug logs. I also reran a load test consisting of only simple read operations, and my quorum read throughput has doubled now that the extraneous read repairs aren't occurring. This makes

Re: Logo Design Contest

2009-09-30 Thread Eric Evans
On Wed, 2009-09-23 at 11:39 -0500, Eric Evans wrote: A logo design contest is now underway at 99designs.com. http://99designs.com/contests/28940 The contest brief can be found here: http://99designs.com/contests/28940/brief. If you're worried that it's missing something critical (or