Re: using jna.jar "Unknown mlockall error 0"

2010-10-08 Thread Roger Schildmeijer
s warning, in case JNA might not be working? > > Regards, > Utku > WBR Roger Schildmeijer

Re: Row limits

2010-09-08 Thread roger schildmeijer
>From NEWS.txt: "Row size limit increased from 2GB to 2 billion columns." On Wed, Sep 8, 2010 at 11:20 AM, Courtney Robinson wrote: > Are there any limits (implied or otherwise) on how many columns there > can be in a single row? > My understanding has always been that there is no limit on how

Re: Strange "Address already in use" error

2010-07-11 Thread Roger Schildmeijer
Something is already using the port (probably 7000 (default, used internal by cassandra)) you tried to bind. Use e.g. 'lsof -i' to investigate the port usage further. // Roger Schildmeijer On 11 jul 2010, at 17.15em, osishkin osishkin wrote: > I'm testing a simple Cassan

Re: Is anyone using version 0.7 schema update API

2010-07-11 Thread Roger Schildmeijer
http://wiki.apache.org/cassandra/LiveSchemaUpdates On 11 jul 2010, at 14.42em, GH wrote: > I want to move on to 0.7 using this API rather than storage-conf.xml > conversion. > Any info that you can advise on how you used it would be much appreciated. > > Thanks > Gavan

Re: Cassandra and Avro

2010-06-29 Thread Roger Schildmeijer
The (16-4) classes are generated in the ant build script. (In the binary distribution these are already generated for you). // Roger Schildmeijer On 29 jun 2010, at 21.41em, Peter Minearo wrote: > I just pulled down Cassandra 0.6.3. I saw this same issue in 0.6.2. Why is > t

Re: Help with UUID in C#.net

2010-05-18 Thread Roger Schildmeijer
Nick Berardi's blog post about Cassandra in conjunction with c#/.net and TimeUUID describes how to do. http://www.coderjournal.com/2010/04/creating-a-time-uuid-guid-in-net/ // Roger Schildmeijer On 18 maj 2010, at 21.45em, Sandeep wrote: > Hi all, > > I am new to Cassandra.

Re: ConcurrentModificationException in gossiper while decommissioning another node

2010-05-18 Thread roger schildmeijer
This is hopefully fixed in trunk (CASSANDRA-757 (revision 938597)); "Replace synchronization in Gossiper with concurrent data structures and volatile fields." // Roger Schildmeijer On Tue, May 18, 2010 at 1:55 PM, Ran Tavory wrote: > While the node 192.168.252.61 was in t

Re: Handling failures in Thrift

2010-05-13 Thread Roger Schildmeijer
th requests" -- Proposal: using order preserving partitioner? try random partitioner for better load balancing. need more nodes in your cluster? * "node is down but the failure detector has not yet realized it": altered the phi constant in o.a.c.gsm.FailureDetector (phiConvictThre

Re: how does cassandra compare with mongodb?

2010-05-13 Thread Roger Schildmeijer
In a perfect world there should be (aiming for) a new major Cassandra release every 2-3 months. // Roger Schildmeijer On 13 maj 2010, at 19.43em, Sandeep Kalidindi wrote: > Any idea about how far the 0.7 release is ?? > > Cheers, > Deepu. > > On Thu, May 13, 2010 at 10:5

Re: key is sorted?

2010-05-07 Thread Roger Schildmeijer
Columns are sorted (see CompareWith/CompareSubcolumnsWith) keys are not. On 7 maj 2010, at 22.10em, AJ Chen wrote: > I have a super column family for "topic", key being the name of the topic. > CompareSubcolumnsWith="BytesType" /> > When I retrieve the rows, the rows are not sorted by the key.

Re: Anti compaction and readonly compaction?

2010-05-05 Thread Roger Schildmeijer
http://wiki.apache.org/cassandra/Streaming On 5 maj 2010, at 18.18em, Weijun Li wrote: > What's the purpose of anti-compaction? In what scenario does Cassandra need > to split bit sstables into smaller piece? Also I noticed readonly compaction > in the code. What's the use of this compaction t

Re: UUIDs must be exactly 16 bytes ?

2010-05-05 Thread roger schildmeijer
"'CompareWith' tells Cassandra how to sort the *columns* for slicing operations". It looks like your column name isn't using the correct type (TimeUUIDType). // Roger Schildmeijer On Wed, May 5, 2010 at 11:34 AM, Shuge Lee wrote: > Hi

Re: Login failure with SimpleAuthenticator

2010-05-03 Thread roger schildmeijer
You need to define two more properties: passwd.properties and access.properties (hint -Dpasswd.properties=/user/schildmeijer/cassandra/conf/passwd.properties and analogous for access.properties) // Roger Schildmeijer On Mon, May 3, 2010 at 1:06 PM, Julio Carlos Barrera Juez < julio

Re: Basic Architecture Question

2010-04-29 Thread Roger Schildmeijer
take a look at get_range_slices and start with "". then invoke get_range_slices again, but this time use the last key as the start key // Roger Schildmeijer On 29 apr 2010, at 16.28em, David Boxenhorn wrote: > How do I do that??? > > On Thu, Apr 29, 2010 at 4:31

Re: Login failure with SimpleAuthenticator

2010-04-29 Thread roger schildmeijer
Are you sure that your keyspace is named "keyspace", and not "Keyspace1" (default)? / Roger Schildmeijer On Thu, Apr 29, 2010 at 2:47 PM, Jonathan Ellis wrote: > If you're getting an internalerror, you need to check the server logs > for the exception that cau

Re: Cassandra-cli tutorials

2010-04-25 Thread Roger Schildmeijer
On 25 apr 2010, at 15.15em, S Ahmed wrote: > Ok excited I got it up and running on windows 7, yah! > > Curious, are there any tutorials or examples of using the cassandra-cli? http://wiki.apache.org/cassandra/CassandraCli > > BTW, the cassandra-cli is pretty cool, even comes with tab-complete

Re: Filters

2010-04-20 Thread Roger Schildmeijer
My bad. Missed your one-to-one relationship (row key <-> column ) On 20 apr 2010, at 19.24em, Christian Torres wrote: > Mmmm... > > According with this doc http://wiki.apache.org/cassandra/API#get_slice that a > developer mailed to me It's possible!! > > I sent you as reference > > On Tue, Ap

Re: Tool for managing cluster nodes?

2010-04-20 Thread Roger Schildmeijer
dancer's shell / distributed shell http://www.netfort.gr.jp/~dancer/software/dsh.html.en On 20 apr 2010, at 17.18em, Joost Ouwerkerk wrote: > What are people using to manage Cassandra cluster nodes? i.e. to start, > stop, copy config files, etc. I'm using cssh and wondering if there is a > b

Re: cassandra 0.6.0 release date

2010-03-26 Thread roger schildmeijer
ble version is out? > Absolutely > Thanks > > > > Roger Puig Ganza > > > Roger Schildmeijer

Re: Cassandra 0.6.0 Beta3 is missing a few jars

2010-03-21 Thread Roger Schildmeijer
README.txt tells you everything you need to know in order to run Cassandra. hint: ant ivy-retrieve On 21 mar 2010, at 15.47em, Tom Chen wrote: > I just tried to run the cassandra beta 3, and I had some problems on startup > due to some missing jars. > > Running ant jar fixed the problem for m

Re: write performance thrift interfaces

2010-03-18 Thread Roger Schildmeijer
Yes, 30 writes / s sounds a little bit poor. Maybe you could show your benchmark code? And what adjustments had to be done to the CF? // Roger On 18 mar 2010, at 19.03em, Martin Probst (RobHost Support) wrote: > Hi, > > we've tested the write performance on a single and dual node cluster an

Re: got a SocketException: Software caused connection abort: socket write error

2010-03-16 Thread Roger Schildmeijer
Try connect localhost/9160 instead On 16 mar 2010, at 22.59em, DonYang wrote: > the problem: > - > cassandra> connect localhost/ > Connected to localhost/ > cass