Re: Cassandra OOM crash while mapping commitlog

2012-08-12 Thread Robin Verlangen
Hmm, is issue caused by some 1.x version? Before it never occurred to us. Op 11 aug. 2012 22:36 schreef Tyler Hobbs ty...@datastax.com het volgende: We've seen something similar when running on a 32bit JVM, so make sure you're using the latest 64bit Java 6 JVM. On Sat, Aug 11, 2012 at 11:59

DSE solr HA

2012-08-12 Thread Mohit Anchlia
Going through this page and it looks like indexes are stored locally http://www.datastax.com/dev/blog/cassandra-with-solr-integration-details . My question is what happens if one of the solr nodes crashes? Is the data indexed again on those nodes? Also, if RF 1 then is the same data being

Loading data on-demand in Cassandra

2012-08-12 Thread Oliver Plohmann
Hello, I'm looking a bit into Cassandra to see whether it would be something to go with for my company. I searched through the Internet, looked through the FAQs, etc. but there are still some few open questions. Hope I don't bother anybody with the usual beginner questions ... Is there a

Re: Loading data on-demand in Cassandra

2012-08-12 Thread Dave Brosius
When data is first written it does remain in memory until that memory is flushed. After the data is only on disk, it remains there until a read for that row-key/column is requested so in essense it's always load on demand. Currently there is no support for async notifications of changes.

Re: Cassandra OOM crash while mapping commitlog

2012-08-12 Thread Holger Hoffstaette
On Sun, 12 Aug 2012 13:36:42 +0200, Robin Verlangen wrote: Hmm, is issue caused by some 1.x version? Before it never occurred to us. This bug was introduced in 1.1.0 and has been fixed in 1.1.3, where the closed/recycled segments are now closed unmapped properly. The default sizes are also

[gem] does disconnect! work properly?

2012-08-12 Thread Satoshi Yamada
hi, I wonder if disconnect! method works properly in gem cassandrabecause the code below does not cause exception. - client = Cassandra.new('pool', host_ip) ret = client.get(:db, 'test', key, option_one)p retclient.disconnect! ret = client.get(:db, 'test', key, option_one)p ret

Re: Loading data on-demand in Cassandra

2012-08-12 Thread Oliver Plohmann
Thanks Dave. Does anybody know of a distributed in-memory system that can do this and that supports structured data (e.g. tables)? /Oliver Am 12.08.2012 um 21:39 schrieb Dave Brosius dbros...@mebigfatguy.com: When data is first written it does remain in memory until that memory is flushed.

Problem with cassandra startup on Linux

2012-08-12 Thread Dwight Smith
Installed 1.1.3 on my Linux cluster - the JVM_OPTS were truncated due to a script error in Cassandra-env.sh: Invalid token in the following. startswith () [ ${1#$2} != $1 ]