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From Yan Chunlu <springri...@gmail.com>
Subject Re: cassandra auto create snapshots?
Date Tue, 30 Aug 2011 04:00:53 GMT
thanks for the help.   have you tried use those snapshot to recover a node?
 I have not found anything related to those auto-created snapshots in the
wiki page, then dont even have a timestamp, not sure how to use those
files....

On Tue, Aug 30, 2011 at 10:27 AM, Jonathan Ellis <jbellis@gmail.com> wrote:

> No.
>
> On Mon, Aug 29, 2011 at 8:15 PM, Yan Chunlu <springrider@gmail.com> wrote:
> > so it was useless?   I didn't drop any CF/KS,  could "nodetool move",
> > "nodetool repair" cause the problem?
> >
> > On Tue, Aug 30, 2011 at 5:23 AM, Jonathan Ellis <jbellis@gmail.com>
> wrote:
> >>
> >> Perhaps you are seeing auto-snapshots before destructive events such
> >> as truncate or drop CF/KS.
> >>
> >> On Mon, Aug 29, 2011 at 4:19 PM, Yan Chunlu <springrider@gmail.com>
> wrote:
> >> > just found the data dir consume a lot of space, which is because there
> >> > was
> >> > many snapshots in it.
> >> > but I have set snapshot_before_compaction: false.  is that possible
> that
> >> > cassandra create those snapshot automatically?  could I delete them?
> >> > the dir names is strange(normally it should contain date info like
> this
> >> > one:
> >> > 1309954201568-20110706snap):
> >> > 1309954201568-20110706snap  1313655860450  1313657278693
>  1313658563469
> >> >  1313660368230  1313661946829  1313673041895  1313978414627
> >> >  1313993893774
> >> >  1313994151125
> >> > 1309954218127-20110706snap  1313655977397  1313657539385
>  1313658794663
> >> >  1313660540216  1313665575966  1313684621571  1313981129181
> >> >  1313993899685
> >> >  1313994436489
> >> > 1309954367559-20110706snap  1313656318839  1313657769222
>  1313659117385
> >> >  1313660791414  1313670545340  1313688842151  1313993527645
> >> >  1313994045681
> >> >  1313994537282
> >> > 1313655524690               1313656750454  1313657987723
>  1313659841880
> >> >  1313661186615  1313671377867  1313821800047  1313993601281
> >> >  1313994093703
> >> >  1313994548470
> >> > 1313655632823               1313657058205  1313658288595
>  1313660165346
> >> >  1313661433088  1313672861562  1313822718672  1313993882415
> >> >  1313994138019
> >> >  1313994791621
> >> >
> >>
> >>
> >>
> >> --
> >> Jonathan Ellis
> >> Project Chair, Apache Cassandra
> >> co-founder of DataStax, the source for professional Cassandra support
> >> http://www.datastax.com
> >
> >
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of DataStax, the source for professional Cassandra support
> http://www.datastax.com
>

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