Corrupt (negative) value length encountered

2011-11-28 Thread Philippe
Hello, While running a cleanup, Cassandra stopped with the following exception and inspecting the logs revealed several exceptions such as below over the past 3 days.Given that it's dying on compactions, I'm really worried. If a row was trashed, will the error propagate from node to node or will i

Re: need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-28 Thread Piavlo
On 11/29/2011 02:51 AM, Benoit Perroud wrote: You may want to add 29991231 instead of appending. Do you mean generate keys like this md5(member_id) + mmdd instead of md5(member_id)mmdd And use the normal 128bit token range ? Hmm - this way there will obviously be overlaps of members ra

Added run-modes to Virgil: Run embedded or against a remote Cassandra.

2011-11-28 Thread Brian O'Neill
I'm not sure if this was preventing anyone from using Virgil, but we added run-modes to Virgil to accomodate users that have an existing cluster. Now, you can just point Virgil at the remote instance and use it only for the GUI/REST layer and SOLR integration. http://brianoneill.blogspot.com/2011/

Re: need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-28 Thread Benoit Perroud
You may want to add 29991231 instead of appending. Le lundi 28 novembre 2011, Piavlo a écrit : > Anyone can help with this? > > Thanks > > On 11/24/2011 11:55 AM, Piavlo wrote: >> >> Hi, >> >> We need help with choosing correct tokens for ByteOrderedPartitioner >> Originally the key where suppo

Re: Cassandra NYC Summit on December 6th

2011-11-28 Thread Sarma Tangirala
On 29 November 2011 03:36, Jonathan Ellis wrote: > To follow up, the Cassandra NYC schedule is posted at > http://www.datastax.com/events/cassandranyc2011. We have two tracks > of great talks, including a great lineup of use cases from > Media6Degrees, Social Flow, Constant Contact, Clearspring,

Re: Cassandra NYC Summit on December 6th

2011-11-28 Thread Jonathan Ellis
To follow up, the Cassandra NYC schedule is posted at http://www.datastax.com/events/cassandranyc2011. We have two tracks of great talks, including a great lineup of use cases from Media6Degrees, Social Flow, Constant Contact, Clearspring, Twitter, and Ooyala, as well as more in-depth talks on Cas

Re: commit log size

2011-11-28 Thread Jeremiah Jordan
Yes, the low volume memtables are causing the problem. Lower the thresholds for those tables if you don't want the commit logs to go crazy. -Jeremiah On 11/28/2011 11:11 AM, Alexandru Dan Sicoe wrote: Hello everyone, 4 node Cassandra 0.8.5 cluster with RF=2, replica placement strategy = Sim

Re: Assertion error during bootstraping cassandra 1.0.2

2011-11-28 Thread Ramesh Natarajan
https://issues.apache.org/jira/browse/CASSANDRA-3536 thanks Ramesh On Mon, Nov 28, 2011 at 5:59 AM, Sylvain Lebresne wrote: > I don't think you're doing anything wrong. Would you mind opening a ticket > on JIRA (https://issues.apache.org/jira/browse/CASSANDRA) ? > > -- > Sylvain > > On Tue, Nov

commit log size

2011-11-28 Thread Alexandru Dan Sicoe
Hello everyone, 4 node Cassandra 0.8.5 cluster with RF=2, replica placement strategy = SimpleStartegy, write consistency level = ANY, memtable_flush_after_mins =1440; memtable_operations_in_millions=0.1; memtable_throughput_in_mb = 40; max_compaction_threshold =32; min_compaction_threshold =4; I

Re: need help with choosing correct tokens for ByteOrderedPartitioner

2011-11-28 Thread Piavlo
Anyone can help with this? Thanks On 11/24/2011 11:55 AM, Piavlo wrote: Hi, We need help with choosing correct tokens for ByteOrderedPartitioner Originally the key where supposed to be member_id-mmdd but since we need to male rage scans on same member_id and varying date ranges mmdd

cassandra read performance on large dataset

2011-11-28 Thread Radim Kolar
I understand that my computer may be not as powerful as those used in the other benchmarks, but it shouldn't be that far off (1:30), right? cassandra has very fast writes. you can have read:write ratios like 1:1000 pure read workload on 1 billion rows without key/row cache on 2 node cluster R

Re: 1.0.3 CLI oddities

2011-11-28 Thread Evgeniy Ryabitskiy
Hi, Just now migrated to 1.0.3 and got same error. I did folowing; 1) Create CF with compression 2) Update cf metadata on new created CF. update failed with same Exception about Caused by: java.util.concurrent. ExecutionException: java.io.IOException: org.apache.cassandra.config.ConfigurationExc

RE: Monitoring your cluster

2011-11-28 Thread David McNelis
Michael, Send me a note separate from this list, as I think it's a bit off topic to get into here. David On Nov 28, 2011 3:25 AM, "Michael Vaknine" wrote: > Hi, > > Thank you for this plugin > > I get errors when trying to build and was wandring if you can help. > > ** ** > > Thanks

Re: Assertion error during bootstraping cassandra 1.0.2

2011-11-28 Thread Sylvain Lebresne
I don't think you're doing anything wrong. Would you mind opening a ticket on JIRA (https://issues.apache.org/jira/browse/CASSANDRA) ? -- Sylvain On Tue, Nov 22, 2011 at 5:35 PM, Ramesh Natarajan wrote: > Hi, > >  I have a 3 node cassandra cluster. I have RF set to 3 and do reads > and writes us

1.0.3 CLI oddities

2011-11-28 Thread Janne Jalkanen
Hi! (Asked this on IRC too, but didn't get anyone to respond, so here goes...) Is it just me, or are these real bugs? On 1.0.3, from CLI: "update column family XXX with gc_grace = 36000;" just says "null" with nothing logged. Previous value is the default. Also, on 1.0.3, "update column fami

Re: Second Cassandra users survey

2011-11-28 Thread Aditya
Ability to mix counter columns & normal columns in same column family. On Thu, Nov 17, 2011 at 6:46 PM, Boris Yen wrote: > I was wondering if it is possible to provide a funtion like "delete from > cf where column='value' " > > I think this shold be useful for people who use secondary index a

RE: Monitoring your cluster

2011-11-28 Thread Michael Vaknine
Hi, Thank you for this plugin I get errors when trying to build and was wandring if you can help. Thanks in addvance Microsoft Windows [Version 6.1.7601] Copyright (c) 2009 Microsoft Corporation. All rights reserved. c:\Temp\dmcnelis-NagiosCassandraMonitor-840010d>mvn assemble:singl

RE: Monitoring your cluster

2011-11-28 Thread Michael Vaknine
Hi, Thank you for this plugin I get errors when trying to build and was wandring if you can help. Thanks in addvance Microsoft Windows [Version 6.1.7601] Copyright (c) 2009 Microsoft Corporation. All rights reserved. c:\Temp\dmcnelis-NagiosCassandraMonitor-840010d>mvn assemble:singl

RE: Monitoring your cluster

2011-11-28 Thread Michael Vaknine
Hi, Thank you for this plugin I get errors when trying to build and was wandring if you can help. Thanks in addvance Microsoft Windows [Version 6.1.7601] Copyright (c) 2009 Microsoft Corporation. All rights reserved. c:\Temp\dmcnelis-NagiosCassandraMonitor-840010d>mvn assemble:singl