Hi:Jonathan I have found out what's going wrong. I change the configuration <MemtableFlushAfterMinutes>1440</MemtableFlushAfterMinutes> which prevent memtables of LocaitonInfo and HintsColumnFamily to flush if there are a few hint records writen to many commitlog segment. On Thu, Jul 8, 2010 at 9:43 AM, Anty <anty....@gmail.com> wrote:
> > > On Thu, Jul 8, 2010 at 9:21 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > >> you're not out of disk space, are you? >> >> No. > >> if not you could try restarting, that should clear them out if nothing >> else does >> > Yes. I restarted the node, then the commitlogs were removed. > But recover so many commitlog take so much time. > >> >> On Wed, Jul 7, 2010 at 8:07 PM, Anty <anty....@gmail.com> wrote: >> > Thx Jonathan. >> > >> > >> > On Wed, Jul 7, 2010 at 11:58 PM, Jonathan Ellis <jbel...@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....@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 <jbel...@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....@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 >> > > > > -- > Best Regards > Anty Rao > -- Best Regards Anty Rao
