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From "B. Todd Burruss" <bto...@gmail.com>
Subject Re: nodetool cleanup
Date Tue, 23 Oct 2012 15:09:10 GMT
since SSTABLEs are immutable, it must create new SSTABLEs without the
data that the node is no longer a replica for ... but it doesn't
remove deleted data.  seems like a possible optimization to also
removed deleted data and tombstone cleanup ... but i guess cleanup
shouldn't really be used that much.

thx

On Tue, Oct 23, 2012 at 12:40 AM, aaron morton <aaron@thelastpickle.com> wrote:
> what is the internal memory model used? It sounds like it doesn't have a
> page manager?
>
> Nodetool cleanup is a maintenance process to remove data on disk that the
> node is no longer a replica for. It is typically used after the token
> assignments have been changed.
>
> Cheers
>
> -----------------
> Aaron Morton
> Freelance Developer
> @aaronmorton
> http://www.thelastpickle.com
>
> On 23/10/2012, at 6:42 PM, Will @ SOHO <will@voodoolunchbox.com> wrote:
>
> On 10/23/2012 01:25 AM, Peter Schuller wrote:
>
>
> On Oct 22, 2012 11:54 AM, "B. Todd Burruss" <btoddb@gmail.com> wrote:
>>
>> does "nodetool cleanup" perform a major compaction in the process of
>> removing unwanted data?
>
> No.
>
> what is the internal memory model used? It sounds like it doesn't have a
> page manager?
>
>

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