Re: Cassandra HANGS after some writes

2013-08-16 Thread Naresh Yadav
just to update everyone, as per expert advices i tried running this on Linux machine but i still have exact same problem on linux also...even no difference in performance...I tried with default yaml and heap size of 8GB..Now advise me on cassandra linux optmizations, will try those... Naresh On W

Re: Cassandra HANGS after some writes

2013-08-14 Thread Robert Coli
On Tue, Aug 13, 2013 at 10:39 PM, Naresh Yadav wrote: > I made one single change in default cassandra.yaml, just to experiment. > > native_transport_min_threads: *1* > native_transport_max_threads: *1* > > with max one single thread for native protocol requests i noticed some > improvement, earli

Re: Cassandra HANGS after some writes

2013-08-13 Thread Naresh Yadav
I made one single change in default cassandra.yaml, just to experiment. native_transport_min_threads: *1* native_transport_max_threads: *1* with max one single thread for native protocol requests i noticed some improvement, earlier with default yaml most of time it was failing after * 10K* combin

Re: Cassandra HANGS after some writes

2013-08-13 Thread Robert Coli
On Tue, Aug 13, 2013 at 10:34 AM, Andrew Cobley wrote: > Has anyone ever done any performance comparisons of linux vs a headless > windows server ? > No, but given the number of linux specific optimizations in Cassandra, I would expect this to be no contest. =Rob

Re: Cassandra HANGS after some writes

2013-08-13 Thread Andrew Cobley
es. Alain 2013/8/13 Kanwar Sangha mailto:kan...@mavenir.com>> Cassandra on windows ? Please install Linux ! From: Romain HARDOUIN [mailto:romain.hardo...@urssaf.fr<mailto:romain.hardo...@urssaf.fr>] Sent: 13 August 2013 10:17 To: user@cassandra.apache.org<mailto:user@cassandra.apache.

Re: Cassandra HANGS after some writes

2013-08-13 Thread Naresh Yadav
> Alain > > > 2013/8/13 Kanwar Sangha > >> Cassandra on windows ? Please install Linux ! >> >> ** ** >> >> ** ** >> >> *From:* Romain HARDOUIN [mailto:romain.hardo...@urssaf.fr] >> *Sent:* 13 August 2013 10:17 >> *To:* user@

Re: Cassandra HANGS after some writes

2013-08-13 Thread Alain RODRIGUEZ
andra on windows ? Please install Linux ! > > ** ** > > ** ** > > *From:* Romain HARDOUIN [mailto:romain.hardo...@urssaf.fr] > *Sent:* 13 August 2013 10:17 > *To:* user@cassandra.apache.org > *Subject:* Re: Cassandra HANGS after some writes > > ** ** > >

RE: Cassandra HANGS after some writes

2013-08-13 Thread Kanwar Sangha
Cassandra on windows ? Please install Linux ! From: Romain HARDOUIN [mailto:romain.hardo...@urssaf.fr] Sent: 13 August 2013 10:17 To: user@cassandra.apache.org Subject: Re: Cassandra HANGS after some writes Naresh, My two cents is that you should run Cassandra on a Linux VM. Issues are more

Re: Cassandra HANGS after some writes

2013-08-13 Thread Romain HARDOUIN
e : 13/08/2013 16:51 > Objet : Re: Cassandra HANGS after some writes > > Naresh, > > Windows is not my cup of tea. May be someone else has more > experience using the Redmond's prodigy child. > > cheers, and good luck

Re: Cassandra HANGS after some writes

2013-08-13 Thread Alexis Rodríguez
Naresh, Windows is not my cup of tea. May be someone else has more experience using the Redmond's prodigy child. cheers, and good luck On Tue, Aug 13, 2013 at 11:21 AM, Naresh Yadav wrote: > Hi Alex, > > Yes i am testing in development environment of Windows 7 64bit. > I left default yaml the

Re: Cassandra HANGS after some writes

2013-08-13 Thread Naresh Yadav
Hi Alex, Yes i am testing in development environment of Windows 7 64bit. I left default yaml then cassandra created "var" folder and created data, log, cache folders in it.I tried commit log on different harddisk but this problem not solved with thatI guess this problem is somewhat related

Re: Cassandra HANGS after some writes

2013-08-13 Thread Alexis Rodríguez
Naresh, are you deploying cassandra in windows? If that is the case you may need to change the data and commitlog directories in cassandra.yaml. Also you should check the log directories. See the section 2.1 http://wiki.apache.org/cassandra/GettingStarted On Tue, Aug 13, 2013 at 8:28 AM, Nares

Re: Cassandra HANGS after some writes

2013-08-13 Thread Naresh Yadav
Thanks Alain, will avoid capsi am newbie to cassandra, just started using 2 weeks back.. Here are JConsole screenshots just 5mins after cassandra freezed : http://i.imgur.com/3oUBjKU.png http://i.imgur.com/2O4PrKb.png http://i.imgur.com/zxhFzr1.png 4:05 is time cassandra freezed

Re: Cassandra HANGS after some writes

2013-08-13 Thread Alain RODRIGUEZ
Hi Naresh. First thing, there is no need of caps in here. People reading this ML is here to help when they have time and skills enough to do so. So please, chill out and do not use caps to show how much desperate you are. Concerning your problem, the only abnormal thing I was able to find in your

Cassandra HANGS after some writes

2013-08-13 Thread Naresh Yadav
Hi All, I have single node cassandra using CQL using datastax java driver 1.0.1 and cassandra verison 1.2.6. *Infrastructure :* 16GB machine with 8GB heap given to cassandra, i7 processor.. DEFAULT cassandra.yaml no change done by me. -Xms1G^ -Xmx12G^ no other change in cassandra.bat *