Cassandra 2.0 - AssertionError in ArrayBackedSortedColumns

2013-07-21 Thread Soumava Ghosh
Hi, I'm taking a look at the Check and Set functionalities provided by the cas() API provided by cassandra 2.0 (the code available on git). I'm running a few tests on a small sized cluster (replication factor 3, consistency level quorum) with a few clients. I've observed a lot of cases seem to hit

Re: Cassandra 2.0 - AssertionError in ArrayBackedSortedColumns

2013-07-22 Thread Soumava Ghosh
ily comparator) sorted order to the thrift cas() method. > > -- > Sylvain > > > On Sun, Jul 21, 2013 at 1:22 PM, Soumava Ghosh wrote: > >> Hi, >> >> I'm taking a look at the Check and Set functionalities provided by the >> cas() API provided by ca

Re: Cassandra 2.0 - AssertionError in ArrayBackedSortedColumns

2013-07-22 Thread Soumava Ghosh
>>>> >>>> This should get fixed in the next beta of 2.0, but if you really want >>>> to test CAS updates in the meantime, you'll have to provide the columns in >>>> (column family comparator) sorted order to the thrift cas() method. >>>&g

Cassandra 2.0 : Ant build issue

2013-07-22 Thread Soumava Ghosh
Hi, I'm working on a Mac OS 10.8 and trying to build the cassandra trunk using ant. I am getting the error as below. I can see a related bug that fixed a similar issue for debian ( https://issues.apache.org/jira/browse/CASSANDRA-5688), but I can still repro this on Mac. Thanks, Soumava soumava$

Re: Cassandra 2.0 : Ant build issue

2013-07-22 Thread Soumava Ghosh
Are you using JDK 1.6. If so you'll need to get the 1.7 jdk (Java SE > 7u25) from oracle to do the compile. See my message thread earlier today > subject "Cassandra 2 vs Java 1.6 for a few more details. > > Andy > > > On 22 Jul 2013, at 20:16, Soumava Ghosh wrot

Re: Cassandra 2.0 : Ant build issue

2013-07-22 Thread Soumava Ghosh
details. Total time: 1 second soumava$ java -version java version "1.7.0_25" Java(TM) SE Runtime Environment (build 1.7.0_25-b15) Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode) Thanks, Soumava On Mon, Jul 22, 2013 at 1:09 PM, Soumava Ghosh wrote: > I'm using 1.7.0

Re: Cassandra 2.0 : Ant build issue

2013-07-22 Thread Soumava Ghosh
..@utexas.edu] on behalf of Soumava > Ghosh [soum...@cs.utexas.edu] > *Sent:* 22 July 2013 21:09 > *To:* user@cassandra.apache.org > *Subject:* Re: Cassandra 2.0 : Ant build issue > > I'm using 1.7.0_21 (not 25 though).. > > soumava$ java -version > java version "

Re: Cassandra 2.0 : Ant build issue

2013-07-22 Thread Soumava Ghosh
JAVA_HOME set to ? > > Andy > > -- > *From:* soum...@utexas.edu [soum...@utexas.edu] on behalf of Soumava > Ghosh [soum...@cs.utexas.edu] > *Sent:* 22 July 2013 21:21 > *To:* user > > *Subject:* Re: Cassandra 2.0 : Ant build issue > > There you go: >

Cassandra 2.0: Paxos Prepare response always false

2013-07-25 Thread Soumava Ghosh
Hi, I have test setup where clients randomly make a controlled number of cas() requests (among other requests) at a cluster of cassandra 2.0 servers. After one point, I'm seeing that all requests are pending and my client's throughput has reduced to 0.0 for all kinds of requests. For this specific