Re: When will major compaction be triggered

[Schubert Zhang <zs...@gmail.com>]

Hi Jonathan,

Could you provide info about "the special case where a minor compaction,
also
happens to be a major one"?

On Wed, May 19, 2010 at 2:29 PM, Jonathan Ellis <jb...@gmail.com> wrote:

> No.  (Except in the special case where a minor compaction, also
> happens to be a major one.)
>
> On Tue, May 18, 2010 at 6:29 PM, Yi Mao <ym...@gmail.com> wrote:
> > Hi,
> > Nodetool is one way to trigger major compaction. Will major compaction be
> > triggered automatically? Thanks.
> >
> > Yi
> >
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support
> http://riptano.com
>

Re: When will major compaction be triggered

[Jonathan Ellis <jb...@gmail.com>]

There isn't much to provide; if you only have 3 sstables on your
system, for instance, and they get compacted together, it will still
be a "major" compaction and result in tombstones being removed.

On Sun, Jul 18, 2010 at 1:27 PM, Schubert Zhang <zs...@gmail.com> wrote:
> Hi Jonathan,
>
> Could you provide info about "the special case where a minor compaction,
> also
> happens to be a major one"?
>
> On Wed, May 19, 2010 at 2:29 PM, Jonathan Ellis <jb...@gmail.com> wrote:
>>
>> No.  (Except in the special case where a minor compaction, also
>> happens to be a major one.)
>>
>> On Tue, May 18, 2010 at 6:29 PM, Yi Mao <ym...@gmail.com> wrote:
>> > Hi,
>> > Nodetool is one way to trigger major compaction. Will major compaction
>> > be
>> > triggered automatically? Thanks.
>> >
>> > Yi
>> >
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of Riptano, the source for professional Cassandra support
>> http://riptano.com
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com