Compaction Strategy guidance

2014-11-22 Thread Stephane Legay
Hi there, use case: - Heavy write app, few reads. - Lots of updates of rows / columns. - Current performance is fine, for both writes and reads.. - Currently using SizedCompactionStrategy We're trying to limit the amount of storage used during compaction. Should we switch to

Fwd: sstable usage doubles after repair

2014-11-20 Thread Stephane Legay
I upgraded a 2 node cluster with RF = 2 from 1.0.9 to 2.0.11. I did rolling upgrades and upgradesstables after each upgrade. We then moved our data to new hardware by shutting down each node, moving data to new machine, and starting up with auto_bootstrap = false. When all was done I ran a

Re: sstable usage doubles after repair

2014-11-20 Thread Stephane Legay
at 11:15 AM, Robert Coli rc...@eventbrite.com wrote: On Thu, Nov 20, 2014 at 8:36 AM, Stephane Legay sle...@looplogic.com wrote: I upgraded a 2 node cluster with RF = 2 from 1.0.9 to 2.0.11. I did rolling upgrades and upgradesstables after each upgrade. To be clear, did you go through 1.1

Need to reconcile data from 2 drives

2011-12-12 Thread Stephane Legay
Here's the situation. We're running a 2-node cluster on EC2 (v 0.8.6). Each node writes data to a mounted EBS volume mounted on /mnt2. On Dec. 9th, for some reason both instances were rebooted (not sure yet what triggered the reboot). But the EBS volumes were not added to /etc/fstab, and didn't

Re: Need to reconcile data from 2 drives

2011-12-12 Thread Stephane Legay
That's good to know, thanks. I'm looking through my inbox but can't find the notification you're referring to. Oh well. Looks like we'll survive the day. That wasn't much fun at all. On Mon, Dec 12, 2011 at 4:50 PM, Michael Shuler mich...@pbandjelly.orgwrote: On 12/12/2011 12:53 PM, Stephane

Re: would it possible for this kind of data loss?

2011-08-21 Thread Stephane Legay
Ok, will look into it, thx for the heads up. Sent from a mobile device, please forgive typos. On Aug 21, 2011 6:45 PM, Yan Chunlu springri...@gmail.com wrote: I was aware of the deleted items might be come back alive without proper node repair. how about modified items, for example

Re: Can the Cassandra to be hosted, with all your features and performance, on Microsoft Azure ?

2011-04-22 Thread Stephane Legay
Do you have anything to report on this? We're considering a move to Azure, but Cassandra is the big unknown here. I guess we could spawn some VM role instances and snapshot them regularly, but if anyone's actually tried it, that would save us quite a bit of time. Thanks! On Wed, Mar 23, 2011 at