Re: [Cassandra] Expanding a Cassandra cluster

2013-06-20 Thread aaron morton
n > Sent: Tuesday, 18 June 2013 12:11 AM > Subject: Re: [Cassandra] Expanding a Cassandra cluster > > On 10 June 2013 22:00, Emalayan Vairavanathan wrote: > >b) Will Cassandra automatically take care of removing > obsolete keys in future ? > > In a

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-18 Thread Emalayan Vairavanathan
? 2) How can I figure out the status of key migration in Cassandra? Thank you Emalayan  From: Richard Low To: user@cassandra.apache.org; Emalayan Vairavanathan Sent: Tuesday, 18 June 2013 12:11 AM Subject: Re: [Cassandra] Expanding a Cassandra cluster On 10

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-18 Thread Richard Low
On 10 June 2013 22:00, Emalayan Vairavanathan wrote: b) Will Cassandra automatically take care of removing > obsolete keys in future ? > In a future version Cassandra should automatically clean up for you: https://issues.apache.org/jira/browse/CASSANDRA-5051 Right now thoug

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-12 Thread Alain RODRIGUEZ
Coli >> To: user@cassandra.apache.org; Emalayan Vairavanathan < >> svemala...@yahoo.com> >> Sent: Monday, 10 June 2013 5:15 PM >> Subject: Re: [Cassandra] Expanding a Cassandra cluster >> >> >> On Mon, Jun 10, 2013 at 3:13 PM, Emalayan Vairavanathan >&

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-11 Thread Michal Michalski
To: user@cassandra.apache.org; Emalayan Vairavanathan Sent: Monday, 10 June 2013 5:15 PM Subject: Re: [Cassandra] Expanding a Cassandra cluster On Mon, Jun 10, 2013 at 3:13 PM, Emalayan Vairavanathan wrote: I suspect that nodetool cleanup is IO intensive. So running nodetool cleanup

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-11 Thread Emalayan Vairavanathan
  From: Robert Coli To: user@cassandra.apache.org; Emalayan Vairavanathan Sent: Monday, 10 June 2013 5:15 PM Subject: Re: [Cassandra] Expanding a Cassandra cluster On Mon, Jun 10, 2013 at 3:13 PM, Emalayan Vairavanathan wrote: > I suspect that nodetool cleanup is IO intensive. So runn

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-10 Thread Robert Coli
On Mon, Jun 10, 2013 at 3:13 PM, Emalayan Vairavanathan wrote: > I suspect that nodetool cleanup is IO intensive. So running nodetool cleanup > concurrently on the entire cluster may have a significantly impact the IO > performance of applications. cleanup is a specific kind of compaction, and as

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-10 Thread Emalayan Vairavanathan
concurrently on the entire cluster ? Thank you Emalayan From: Edward Capriolo To: "user@cassandra.apache.org" ; Emalayan Vairavanathan Sent: Monday, 10 June 2013 2:53 PM Subject: Re: [Cassandra] Expanding a Cassandra cluster You eventually should run

Re: [Cassandra] Expanding a Cassandra cluster

2013-06-10 Thread Edward Capriolo
You eventually should run cleanup to remove data no longer needed on the node. However it does not need to be run quickly after a join. You can run it when you get around to it. I would run it on a few nodes at a time until they are all cleaned up. On Mon, Jun 10, 2013 at 5:00 PM, Emalayan Vairav