Re: [VOTE] Release Apache Cassandra 1.2.11

2013-10-16 Thread Michael Kjellman
Everything running smoothly. Ship it! +1 On 10/15/13, 4:44 PM, Gary Dusbabek gdusba...@gmail.com wrote: +1 On Tuesday, October 15, 2013, Sylvain Lebresne wrote: The changelog is getting big, I propose the following artifacts for release as 1.2.11. sha1:

Re: Cassandra support for Multitenancy

2013-09-16 Thread Michael Kjellman
First, you should try the users list for your question. Someone there might know better. Second, I can't imagine sharing a C* instance with different workloads. If anything I'd like to split my cluster up in size just for my own use on the same project. Third, 1.2 has support for Auth so

Re: [VOTE] Release Apache Cassandra 1.2.9

2013-08-27 Thread Michael Kjellman
+1 This is currently broken. On Aug 27, 2013, at 5:14 AM, Chris Burroughs chris.burrou...@gmail.com wrote: Following up on a discussion in IRC. A caveat on the (not new, but not fixed) problems with replace_{node,token} would likely be appreciated by users. On 08/26/2013 02:53 PM,

Re: JNA to activate cassandra row cache

2013-08-14 Thread Michael Kjellman
No- not required, but there is zero reason not to. Keep as much off heap as possible. On Aug 14, 2013, at 12:13 PM, José Elias Queiroga da Costa Araújo je...@cesar.org.br wrote: Hi all, I have a question. In order to activate cassandra row cache is necessary to have JNA

Re: JNA to activate cassandra row cache

2013-08-14 Thread Michael Kjellman
Cassandra memory usage. When installed and configured, Linux does not swap out the JVM, and thus avoids related performance issues. So my question is if Cassandra cache implementation is based ByteBuffer, there is any real reason to install JNA? Regards, 2013/8/14 Michael Kjellman mkjell

Re: Apache Cassandra 2.0.0 rc1

2013-08-12 Thread Michael Kjellman
Should probably use this instead. All benchmarks show it¹s faster than anything that has ever been written before. https://issues.apache.org/jira/browse/CASSANDRA-5582 On 8/12/13, 12:47 AM, Radim Kolar h...@filez.com wrote: thrift, sync

Re: Apache Cassandra 2.0.0 rc1

2013-08-11 Thread Michael Kjellman
Thrift? Native? If Thrift- what threading model? On Aug 11, 2013, at 4:13 PM, Radim Kolar h...@filez.com wrote: Dne 10.8.2013 21:30, Brandon Williams napsal(a): Make a conf/triggers directory and that will fix it. We fixed this in trunk already. yes, that fixed it. 2.0 is considerably

Re: CQL or Thrift ?

2013-08-05 Thread Michael Kjellman
Why? Please give me 3 reasons why this is good advice to the OP. The frame based binary protocol will be 100% easier to implement in C than the never-been-out-of-alpha libc Thrift implementation. I¹ve worked with that code for a while, it¹s *not* pretty. I can¹t think of one reason, other than

Re: should you reuse PreparedStatements?

2013-08-03 Thread Michael Kjellman
Absolutely you should reuse prepared statements where possible in your client code. On 8/3/13, 5:34 PM, Michael Cohen mcohe...@gmail.com wrote: More specifically, is it best practice to reuse PreparedStatements, rather than creating a new one via session.prepare() on each database access? Is

Re: Regression in 1.2.7

2013-07-27 Thread Michael Kjellman
+1 This late in the release cycle it might really bite some people upgrading for all the 1.2.x goodness. On Jul 27, 2013, at 12:40 PM, Jonathan Ellis jbel...@gmail.com wrote: The fix for range tombstone performance [1] introduced a regression [2] that breaks slice queries against

Re: cassandra vnodes

2013-07-13 Thread Michael Kjellman
Okay, I¹ll take the bait. I apologize if I come off rude here (you certainly don¹t seem to care though if you do) but if you want production ready enterprise QA tested code please see Datastax Enterprise. Just because you didn¹t choose to use what is offered doesn¹t mean it doesn¹t exist. Much

Re: CQL 3.0

2013-07-11 Thread Michael Kjellman
Better question for the users list, but everything about your cluster is available in the system column family and accessible with CQL. On 7/10/13, 11:46 PM, Murali muralidharan@gmail.com wrote: Hi experts, Can we use CQL 3.0 to get the partition / cluster information from cassandra server?

Re: Some node can not receive GossipDigestAckMessage

2013-07-11 Thread Michael Kjellman
Glad you got it fixed. In the future, if you have other issues using Cassandra you might want to email the other C* mailing list at u...@cassandra.apache.org, which has people listening geared to these types of questions. On 7/11/13, 12:05 AM, HuS.Andy hushansm...@hotmail.com wrote: I got a

Re: [VOTE] Release Apache Cassandra 1.2.6 (Strike 3)

2013-06-25 Thread Michael Kjellman
I know non members aren¹t supposed to comment on these votes, but I was actually throwing 1.2.6 Strike 2ish into production when 3/4 of the way thru I got Jason¹s email as I was debugging Gossip issues across the cluster. It didn¹t appear to just break repair, but it also broke Gossip (makes since

Re: Creating namespace and column family from multiple nodes concurrently

2013-05-22 Thread Michael Kjellman
You will most likely get better answers to your if you try the Cassandra users group instead for your question. Best, Michael On 5/22/13 5:52 PM, Emalayan Vairavanathan svemala...@yahoo.com wrote: Hi all, I am implementing a distributed application which runs on 100s of machines

Re: reading sstables stored in hdfs

2013-03-23 Thread Michael Kjellman
Just curious, why would you want to store sstables in HDFS? On 3/23/13 12:43 PM, Amit Kumar kumarami...@gmail.com wrote: I am starting some work on an input-format that would let us read sstables stored in HDFS, I wonder if anyone has worked on something similar before. I did come across

Re: Issue Upgrade to 1.2.2 from 1.2.1 Table column names changed

2013-03-12 Thread Michael Kjellman
http://www.datastax.com/docs/1.2/index http://www.datastax.com/docs/1.2/cql_cli/using/alter The users list might be a better place for this discussion if you need further help. On 3/12/13 10:50 AM, Haithem Jarraya haithem.jarr...@struq.com wrote: Could you please point me to the right syntax

Re: Issue Upgrade to 1.2.2 from 1.2.1 Table column names changed

2013-03-12 Thread Michael Kjellman
:53, Michael Kjellman mkjell...@barracuda.com wrote: http://www.datastax.com/docs/1.2/index http://www.datastax.com/docs/1.2/cql_cli/using/alter The users list might be a better place for this discussion if you need further help. On 3/12/13 10:50 AM, Haithem Jarraya haithem.jarr...@struq.com

Re: Pycassa with Composite keys

2013-03-07 Thread Michael Kjellman
You might have more luck on the users list or client-dev. Best, Michael On Mar 7, 2013, at 2:45 AM, Pushkar Prasad pushkar.pra...@airtightnetworks.net wrote: I want to insert a lot of rows from a csv file into Cassandra, and I figured out copy command would not be fast enough. I want to use

Re: C* 1.2.2 vs Raspberry Pi

2013-03-04 Thread Michael Kjellman
This was due to https://issues.apache.org/jira/browse/CASSANDRA-4366 Should be safe to remove this when running on a you Raspberry Pi as it is a performance change for the JVM and I guess not supported on whatever version is supported on your distro for the Pi. -mike On 3/4/13 11:17 AM, Andrew

Re: bug report - CQL3 grammar should ignore VARCHAR column length in CREATE statements

2013-03-02 Thread Michael Kjellman
Might want to create a Jira ticket at issues.apache.org instead of submitting the bug report thru email. On Mar 2, 2013, at 3:11 AM, Andrew Prendergast a...@andrewprendergast.com wrote: *DESCRIPTION* When creating a table in all ANSI-SQL compliant RDBMS' the VARCHAR datatype takes a

Re: Notes from committer's meeting: overview

2013-02-25 Thread Michael Kjellman
https://www.google.com On 2/25/13 3:24 PM, Anton Prakash anton.prak...@cloudtalk.com wrote: unsubscribe On Mon, Feb 25, 2013 at 3:23 PM, Brandon Williams dri...@gmail.com wrote: On Mon, Feb 25, 2013 at 5:19 PM, Edward Capriolo edlinuxg...@gmail.com wrote: I am curious what you mean when

Re: real leveldb vs cassandra leveldb

2013-02-22 Thread Michael Kjellman
I can promise you it is not a matter of not being interested in performance enhancements, but there is a trade off between stability, backwards comparability, etc. Some of the changes you are proposing have merit but they fundamentally change some decisions that have been made and Jonathan

Re: [VOTE] Release Apache Cassandra 1.2.2

2013-02-20 Thread Michael Kjellman
+1 On 2/20/13 4:01 PM, Sylvain Lebresne sylv...@datastax.com wrote: We've fixed a fair amount of important fixes since 1.2.1 so I propose the following artifacts for release as 1.2.2. sha1: 068b53dd5de928fd80815b54963af796f51f1c38 Git:

Re: [VOTE] Release Mojo's Cassandra Maven Plugin 1.2.0-1

2013-02-13 Thread Michael Kjellman
Considering that 1.2.1 is out, and looking at your project very quickly (looks interesting)/overlaps a bit with CCMBridge no?/ I'd def say +1 :) From: Stephen Connolly stephen.alan.conno...@gmail.commailto:stephen.alan.conno...@gmail.com Reply-To:

Re: Understanding the Cassandra Code Base

2013-02-08 Thread Michael Kjellman
Discussed in the users list on 1/23/13 http://mail-archives.apache.org/mod_mbox/incubator-cassandra-user/201301.mb ox/%3c11d9ef3eb41c401880e02e51269ea...@portico.io%3E On 2/8/13 2:23 PM, Rahman, Muntasir Raihan mrahm...@illinois.edu wrote: Thanks. I will start from there. Muntasir.

Re: Proposal: require Java7 for Cassandra 2.0

2013-02-06 Thread Michael Kjellman
There seems to be a lot of confusion on this topic in the C* Community. Most people look at the Datastax docs that recommend Java 6 and ask why that recommendation is there. Threads never seem to finish with a clear definitive answer. There seem to be about 3-4 of these for the past few months on

Re: [VOTE] Release Apache Cassandra 1.2.1

2013-01-24 Thread Michael Kjellman
+1 On Jan 24, 2013, at 11:54 PM, Sylvain Lebresne sylv...@datastax.com wrote: That list of changes since 1.2.0 is getting pretty long, time to ship that to users. I propose the following artifacts for release as 1.2.1. sha1: 8540974dbd26989b1cd72608b06e57ebe053bf38 Git:

Re: max_compaction_threshold removed - bad move

2013-01-09 Thread Michael Kjellman
Yikes. Please would be nice.. Also, Sylvian already said they would update the documentation. As a developer, who hasn't forgotten to update documentation? On 1/9/13 8:07 AM, Radim Kolar h...@filez.com wrote: if this was renamed then update your documentation:

<    1   2