Damaged commit log disk causes Cassandra client to get stuck

2011-07-31 Thread Lior Golan
In one of our test clusters we had a damaged commit log disks in one of the nodes. We have replication factor = 2 in this cluster, and write with consistency level = ONE. So we expected writes will not be affected by such an issue. But what actually happened is that the client that was writing

RE: Using Cassandra for transaction logging, good idea?

2011-07-31 Thread Lior Golan
How about using Snowflake to generate the transaction ids: https://github.com/twitter/snowflake From: Kent Narling [mailto:kent.narl...@gmail.com] Sent: Thursday, July 28, 2011 5:46 PM To: user@cassandra.apache.org Subject: Using Cassandra for transaction logging, good idea? Hi! I am

RE: Damaged commit log disk causes Cassandra client to get stuck

2011-07-31 Thread Lior Golan
logs ? Some background about handling disk fails https://issues.apache.org/jira/browse/CASSANDRA-809 Cheers - Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 1 Aug 2011, at 08:13, Lior Golan wrote: In one of our test clusters we had

RE: How to keep only exactly column of key

2011-07-20 Thread Lior Golan
@cassandra.apache.org Subject: Re: How to keep only exactly column of key On Tue, Jul 19, 2011 at 10:15 AM, Lior Golan lio...@taboola.com wrote: Can't this capping be done (approximately) during compaction. Something like: 1.   Ability to define for a column family that it's a capped

RE: How to keep only exactly column of key

2011-07-19 Thread Lior Golan
Can't this capping be done (approximately) during compaction. Something like: 1. Ability to define for a column family that it's a capped collection with at most N columns per row 2. During write - just add the column 3. During reads - get a slice with the most recent / top N

RE: Benchmarking Cassandra with YCSB

2011-02-19 Thread Lior Golan
Can you share what numbers you are now getting? -Original Message- From: markuskl...@gmail.com [mailto:markuskl...@gmail.com] On Behalf Of Markus Klems Sent: Saturday, February 19, 2011 10:53 AM To: user@cassandra.apache.org Subject: Re: Benchmarking Cassandra with YCSB Hi, we sorted