Re: cluster rolling restart

Hi, I would say that i agree with Jon, Jeff and Alain at the same time ;-) Basically you should be very comfortable to do it for conf, cassandra version or Os update but not because if you not do it your cluster starts suffering from performance issues or something like that. If so, you should

Cassandra Lan Party How-to

Hi Cassandra folks, I've run a bunch of Cassandra Lan Party and i wanted to share my experience of running them. I hope it inspires new organizer to run it as well because it's quite fun to do! I've created a How-to : https://www.unchticafe.fr/2019/10/cassandra-lan-party-how-to.html The How-to

cassandra-unit 1.2.0.1 is released : CQL3 and Spring

Hi all, Just to let you know that a new release of cassandra-unit is available with CQL3 dataset support and Spring integration. More here : http://www.unchticafe.fr/2013/06/cassandra-unit-1201-is-out-cql3-script.html Regards, -- Jérémy

Re: Datastax Java Driver

Great! 2012/11/20 michael.figui...@gmail.com michael.figui...@gmail.com The Apache Cassandra project has traditionally not focused on client side. Rather than modifying the scope of the project and jeopardizing the current driver ecosystem we've preferred to open source it this way. Not that

Re: release of cassandra-unit 1.1.0.1

yep, good idea, I have created an issue. 2012/6/19 Yuhan Zhang yzh...@onescreen.com Hi Jeremy, Glad to see the update. It would be nice if secondary index in cassandra-unit supports DoubleType. Yuhan On Wed, Jun 13, 2012 at 1:32 PM, Jérémy SEVELLEC jsevel...@gmail.comwrote: Hi all

Re: CLI command for adding composite Key

may be it's what you are looking for : http://planetcassandra.org/posts?page=15 ? 2012/1/13 Sunit Randhawa sunit.randh...@gmail.com Hello, Wondering how would one add Composite Keys rows using CLI. Supposing we have CF defined below: create column family ListTransactions with comparator

Re: best practices for simulating transactions in Cassandra

Hi John, I had exactly the same reflexions. I'm using zookeeper and cage to lock et isolate. but how to rollback? It's impossible so try replay! the idea is explained in this presentation http://www.slideshare.net/mattdennis/cassandra-data-modeling (starting from slide 24) - insert your whole

Re: weird problem with performance

in 1.0, i know it's changes a bit) Take a look at the TP Stats, what's happening ? Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 20/10/2011, at 10:10 AM, Jérémy SEVELLEC wrote: Ok. I think a degration could be normal

Re: weird problem with performance

Hi, what is your replication_factor? 2011/10/19 Yang tedd...@gmail.com I'm using a cassandra version compiled from 1.0.0 github HEAD. I have 3 nodes, A B and C, on node A I run a client, which talks only to B as the coordinator. the performance is pretty good, a QUORUM read+write

Re: weird problem with performance

. 2011/10/19 Yang tedd...@gmail.com 3 sorry forgot this important info On Oct 19, 2011 11:31 AM, Jérémy SEVELLEC jsevel...@gmail.com wrote: Hi, what is your replication_factor? 2011/10/19 Yang tedd...@gmail.com I'm using a cassandra version compiled from 1.0.0 github HEAD. I have

Re: Volunteers needed - Wiki

Hi Aaron, I think it's possible to complete the debian packaging wiki too (for a best user experience) : When servers connect to the Internet through a proxy, It's possible to have an other error when adding publickey (gpg --keyserver pgp.mit.edu --recv-keys F758CE318D77295D) the error is like

Re: Volunteers needed - Wiki

Hi Aaron, I think the CommitLog section is outdated ( http://wiki.apache.org/cassandra/ArchitectureCommitLog) : The CommitLogHeader is no longer exist since this ticket : https://issues.apache.org/jira/browse/CASSANDRA-2419 Regards, Jérémy 2011/10/11 Sasha Dolgy sdo...@gmail.com maybe that

Re: Hector has a website

very good job! 2011/10/7 Patricio Echagüe patric...@gmail.com Hi, I wanted to let you all know that Hector client has a website. http://hector-client.org There are links to documentation, Javadoc and resources from the community. If you have a personal blog and want us to include the

Re: CassandraUnit

Hi all, I have published some documentations on it : https://github.com/jsevellec/cassandra-unit/wiki regards Jérémy Le 10 août 2011 23:20, Jérémy SEVELLEC jsevel...@gmail.com a écrit : Hi everyone, Let me present you CassandraUnit, a test framework to develop application with Cassandra

CassandraUnit

Hi everyone, Let me present you CassandraUnit, a test framework to develop application with Cassandra backend in TDD Style. It allows to embed and load data from an XML DataSet into your Junit Test. CassandraUnit is build on top of Hector and is licensed as LGPL V3.0 on github. Here is the

Re: transaction principle between multiple column families

Aug 2011, at 17:31, Jérémy SEVELLEC wrote: Hi All, Making transaction like is my actual preoccupation of the moment. My (simplified) need is : - update data in column family #1 - insert data in column family #2 My need is to see these operations in a single transaction because the data