Re: Streaming from 1 node only when adding a new DC

2016-06-16 Thread Fabien Rousseau
n candidate source nodes in the > same rack/DC. > > Would you mind opening a ticket for improving this? > > > 2016-06-14 17:35 GMT-03:00 Fabien Rousseau <fabifab...@gmail.com>: > >> We've tested with C* 2.1.14 version >> Yes VNodes with 256 tokens >> Once all

Re: Streaming from 1 node only when adding a new DC

2016-06-14 Thread Fabien Rousseau
> What version of Cassandra are you using? Also what command are you using > to run the rebuilds? Are you using vnodes? > > On 13 June 2016 at 09:01, Fabien Rousseau <fabifab...@gmail.com> wrote: > >> Hello, >> >> We've tested adding a new DC from an existing DC

Streaming from 1 node only when adding a new DC

2016-06-13 Thread Fabien Rousseau
Hello, We've tested adding a new DC from an existing DC having 3 nodes and RF=3 (ie all nodes have all data). During the rebuild process, only one node of the first DC streamed data to the 3 nodes of the second DC. Our goal is to minimise the time it takes to rebuild a DC and would like to be

Re: MX4J support broken in cassandra 3.0.5?

2016-04-27 Thread Fabien Rousseau
Hi Robert, This could be related to: https://issues.apache.org/jira/plugins/servlet/mobile#issue/CASSANDRA-9242 (Maybe you can try to comment this option and try again) Le 27 avr. 2016 15:21, "Robert Sicoie" a écrit : > Hi guys, > > I'm upgrading from cassandra 2.1 to

Re: Network / GC / Latency spike

2015-09-01 Thread Fabien Rousseau
is there a way to see the size of the data being repaired through this > mechanism ? > > C*heers > > Alain > > 2015-09-01 0:11 GMT+02:00 Fabien Rousseau <fabifab...@gmail.com>: > >> Hi Alain, >> >> Could it be wide rows + read repair ? (Let's suppose t

Re: Network / GC / Latency spike

2015-08-31 Thread Fabien Rousseau
Hi Alain, Could it be wide rows + read repair ? (Let's suppose the "read repair" repairs the full row, and it may not be subject to stream throughput limit) Best Regards Fabien 2015-08-31 15:56 GMT+02:00 Alain RODRIGUEZ : > I just realised that I have no idea about how this

Re: sstableloader Could not retrieve endpoint ranges

2015-06-19 Thread Fabien Rousseau
Hi, I already got this error on a 2.1 clusters because thrift was disabled. So you should check that thrift is enabled and accessible from the sstableloader process. Hope this help Fabien Le 19 juin 2015 05:44, Mitch Gitman mgit...@gmail.com a écrit : I'm using sstableloader to bulk-load a

Re: Problems after trying a migration

2015-03-18 Thread Fabien Rousseau
: +33 411 934 200 david.charbonn...@rgsystem.com ZAC Aéroport 125 Impasse Adam Smith 34470 Pérols - France *www.rgsystem.com* http://www.rgsystem.com/ -- Fabien Rousseau aur...@yakaz.comwww.yakaz.com

Re: Migrate data to new cluster using datacenters?

2013-12-12 Thread Fabien Rousseau
? If this is an extremely bad or misinformed idea, I would like to know that as well! I am aware of other tools available including sstableloader, etc, but this seemed like a more elegant solution, leveraging cassandra's active-active features. Thanks, -Andrew NISC -- Fabien Rousseau

Re: OOM while reading key cache

2013-11-14 Thread Fabien Rousseau
to be an issue triggered by upgrade.. If I were one of the posters on this thread, I would strongly consider filing a JIRA on point. @OP (olek) : did removing the saved_caches also fix your problem? =Rob -- Fabien Rousseau aur...@yakaz.comwww.yakaz.com

Re: disappointed

2013-07-24 Thread Fabien Rousseau
, 1.2 doesn't scale. Which makes me sad, I was proud of what I accomplished with 1.1…. ** ** Does anyone know why there are so many open file descriptors? Any ideas on why a large row won't compact? ** ** Paul -- Fabien Rousseau * * aur...@yakaz.comwww.yakaz.com

Re: Performance issues with CQL3 collections?

2013-06-28 Thread Fabien Rousseau
this explain the slowdown of writes too? I guess it would if cassandra needed to read the collection before it wrote the new values, otherwise I don't understand how this affects writes, but that only says how much I know about how this works. T# On Wed, Jun 26, 2013 at 10:48 AM, Fabien Rousseau fab

Re: Errors while upgrading from 1.1.10 version to 1.2.4 version

2013-06-28 Thread Fabien Rousseau
that there will be an application downtime required if we go for rolling upgrade on a live cluster from 1.1.10 version to 1.2.4 version ? Regards, Ananth -- Fabien Rousseau * * aur...@yakaz.comwww.yakaz.com

Re: Performance issues with CQL3 collections?

2013-06-26 Thread Fabien Rousseau
/questions/17082963/bad-performance-when-writing-log-data-to-cassandra-with-timeuuid-as-a-column-nam/17123236 yours, Theo -- Fabien Rousseau * * aur...@yakaz.comwww.yakaz.com