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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Why so many commitlogs ?
Date Thu, 08 Jul 2010 01:21:51 GMT
you're not out of disk space, are you?

if not you could try restarting, that should clear them out if nothing else does

On Wed, Jul 7, 2010 at 8:07 PM, Anty <anty.rao@gmail.com> wrote:
> Thx Jonathan.
>
>
> On Wed, Jul 7, 2010 at 11:58 PM, Jonathan Ellis <jbellis@gmail.com> wrote:
>>
>> number of memtables waiting to flush has a pretty low bound (# of data
>> file directories in 0.6.3)
>>
> O ,I seen
>>
>> did you check your log for exceptions?
>
> Yes ,but no exceptions.
>
>
>
>>
>> On Wed, Jul 7, 2010 at 10:35 AM, Anty <anty.rao@gmail.com> wrote:
>> > yes, i know. I only insert records into one CF.
>> >
>> > when a memtable flush complete, commitlog  will check if there are some
>> > obsolete commitlog segments.
>> > I don't known why there are so many commitlog file out there.
>> > is there a possibility that too many memtables is waiting for flushing,
>> > which prevent many commitlog files from  being removed.
>> >
>> > On Wed, Jul 7, 2010 at 10:13 PM, Jonathan Ellis <jbellis@gmail.com>
>> > wrote:
>> >>
>> >> commitlogs can be removed after _all_ the CFs they have data for have
>> >> been flushed.
>> >>
>> >> On Wed, Jul 7, 2010 at 5:21 AM, Anty <anty.rao@gmail.com> wrote:
>> >> > Hi:all
>> >> > In my little cluter ,after i insert many many records into cassandra,
>> >> > there
>> >> > are hundreds of commit log files in commitlog log directory.
>> >> > is it normal ?
>> >> > I read the source code of commitlog , there shouldn't be so many
>> >> > commitlog
>> >> > log files .
>> >> > any clue will be appreciate.
>> >> >
>> >> > --
>> >> > Best Regards
>> >> > Anty Rao
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Jonathan Ellis
>> >> Project Chair, Apache Cassandra
>> >> co-founder of Riptano, the source for professional Cassandra support
>> >> http://riptano.com
>> >
>> >
>> >
>> > --
>> > Best Regards
>> > Anty Rao
>> >
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of Riptano, the source for professional Cassandra support
>> http://riptano.com
>
>
>
> --
> Best Regards
> Anty Rao
>



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

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