Re: URGENT HELP PLEASE!

2011-03-26 Thread Peter Schuller
> What happened is this: > You started your cluster with only one node, so at first, all data was on > this. > Then you added a second node. Cassandra then moved (approximatively) > half of the data to the second node. In theory, at that > point the data that was moved to the second node could be

Re: URGENT HELP PLEASE!

2011-03-25 Thread Watanabe Maki
ect? > > -Original Message- > From: Sylvain Lebresne [mailto:sylv...@datastax.com] > Sent: Friday, March 25, 2011 3:01 AM > To: user@cassandra.apache.org > Cc: Jared Laprise > Subject: Re: URGENT HELP PLEASE! > > On Fri, Mar 25, 2011 at 1:49 AM, Jared Lap

Re: URGENT HELP PLEASE!

2011-03-25 Thread Sylvain Lebresne
atastax.com] > Sent: Friday, March 25, 2011 3:01 AM > To: user@cassandra.apache.org > Cc: Jared Laprise > Subject: Re: URGENT HELP PLEASE! > > On Fri, Mar 25, 2011 at 1:49 AM, Jared Laprise wrote: >> Hello all, I'm running 2 Cassandra 6.5 nodes and I brought down the

RE: URGENT HELP PLEASE!

2011-03-25 Thread Jared Laprise
ain Lebresne [mailto:sylv...@datastax.com] Sent: Friday, March 25, 2011 3:01 AM To: user@cassandra.apache.org Cc: Jared Laprise Subject: Re: URGENT HELP PLEASE! On Fri, Mar 25, 2011 at 1:49 AM, Jared Laprise wrote: > Hello all, I'm running 2 Cassandra 6.5 nodes and I brought down the &

Re: URGENT HELP PLEASE!

2011-03-25 Thread Sylvain Lebresne
On Fri, Mar 25, 2011 at 1:49 AM, Jared Laprise wrote: > Hello all, I’m running 2 Cassandra 6.5 nodes and I brought down the > secondary node and restarted the primary node. After Cassandra came back up > all data has been reverted to several months ago. Out of curiosity, when you said 'brought do

Re: URGENT HELP PLEASE!

2011-03-25 Thread Peter Schuller
> Based on what you're saying, and being I'm using session (cookie) based load > balancing it would be true that data is rarely read or written (per user) on > a different server, that could be why data isn't replicating. You've probably discovered this already but just in case, and for others f

Re: URGENT HELP PLEASE!

2011-03-24 Thread Brandon Williams
On Thu, Mar 24, 2011 at 11:58 PM, Jared Laprise wrote: > My replication factor is 1 > Then you are living dangerously. > I haven't run repair until today, I'm using ONE for consistency level. > Repair at rf=1 won't do anything. I have two servers that are load balanced (per session) which bo

RE: URGENT HELP PLEASE!

2011-03-24 Thread Jared Laprise
" moment, and didn't have the time to Google it myself :-) -Original Message- From: Jonathan Ellis [mailto:jbel...@gmail.com] Sent: Thursday, March 24, 2011 9:49 PM To: user@cassandra.apache.org Cc: Jared Laprise; aaron morton Subject: Re: URGENT HELP PLEASE! Each row is replicat

RE: URGENT HELP PLEASE!

2011-03-24 Thread Jared Laprise
of Cassandra and especially related to multi-node deployments. Thanks! -Original Message- From: Benjamin Coverston [mailto:ben.covers...@datastax.com] Sent: Thursday, March 24, 2011 8:59 PM To: user@cassandra.apache.org Subject: Re: URGENT HELP PLEASE! Hi Jared, Sounds like you have two

Re: URGENT HELP PLEASE!

2011-03-24 Thread Jonathan Ellis
ginal Message- > From: Jonathan Ellis [mailto:jbel...@gmail.com] > Sent: Thursday, March 24, 2011 8:22 PM > To: user@cassandra.apache.org > Cc: aaron morton > Subject: Re: URGENT HELP PLEASE! > > Right, Cassandra doesn't keep old versions around so to see an old version

Re: URGENT HELP PLEASE!

2011-03-24 Thread Benjamin Coverston
l.com] Sent: Thursday, March 24, 2011 8:22 PM To: user@cassandra.apache.org Cc: aaron morton Subject: Re: URGENT HELP PLEASE! Right, Cassandra doesn't keep old versions around so to see an old version you have to have uncompacted data and whack the new data -- either by blowing away sstab

RE: URGENT HELP PLEASE!

2011-03-24 Thread Jared Laprise
nment. -Original Message- From: Jonathan Ellis [mailto:jbel...@gmail.com] Sent: Thursday, March 24, 2011 8:22 PM To: user@cassandra.apache.org Cc: aaron morton Subject: Re: URGENT HELP PLEASE! Right, Cassandra doesn't keep old versions around so to see an old version you have to have uncompacte

Re: URGENT HELP PLEASE!

2011-03-24 Thread Jonathan Ellis
Right, Cassandra doesn't keep old versions around so to see an old version you have to have uncompacted data and whack the new data -- either by blowing away sstables or not replaying the commitlog. Snapshots flush before creating their hard links, which rules out any commitlog problems. If you r

Re: URGENT HELP PLEASE!

2011-03-24 Thread aaron morton
Was there anything in the server logs during startup ? I've not heard of this happening before and it's hard think of how / why cassandra could revert it's data. Other than something external playing with the files on disk Aaron On 25 Mar 2011, at 13:49, Jared Laprise wrote: > Hello all, I’m