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
?
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
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
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
>&
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
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
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
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
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
Hi All,
Datastax manual suggests that during a Cassandra cluster expansion, an
administrator has to run nodetool cleanup on each of the previously existing
Cassandra nodes to remove the keys that are no longer belonging to those nodes.
Further the manual says that thenodetool cleanup task shou
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