Re: High commit size

2012-09-10 Thread Rene Kochen
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Re: High commit size

2012-09-10 Thread Henrik Schröder
eived this message in error, please contact the sender immediately and >> irrevocably delete this message and any copies. >> >> *From:* Rene Kochen [mailto:rene.koc...@emea.schange.com] >> *Sent:* Monday, September 10, 2012 14:47 >> *To:* user@cassandra.apache.org >> *Subject:* R

RE: High commit size

2012-09-10 Thread Viktor Jevdokimov
y, September 10, 2012 17:03 To: user@cassandra.apache.org Subject: Re: High commit size For performance reasons I switched to memory mapped IO. Is there a way to make memory-mapped IO work in Windows? Thanks! 2012/9/10 Viktor Jevdokimov mailto:viktor.jevdoki...@adform.com>> Do not use mmap/a

Re: High commit size

2012-09-10 Thread Rene Kochen
ne.koc...@emea.schange.com] > *Sent:* Monday, September 10, 2012 14:47 > *To:* user@cassandra.apache.org > *Subject:* Re: High commit size > > ** ** > > The problem is that the system just freezes and nodes are dying. The > system becomes very unresponsive and it always

RE: High commit size

2012-09-10 Thread Viktor Jevdokimov
emea.schange.com] Sent: Monday, September 10, 2012 14:47 To: user@cassandra.apache.org Subject: Re: High commit size The problem is that the system just freezes and nodes are dying. The system becomes very unresponsive and it always happens when the shareable amount of RAM reaches the total numb

Re: High commit size

2012-09-10 Thread Rene Kochen
The problem is that the system just freezes and nodes are dying. The system becomes very unresponsive and it always happens when the shareable amount of RAM reaches the total number of bytes in the system. Is there something in Windows that I can tune in order to avoid this behavior? I cannot easi

Re: High commit size

2012-09-10 Thread Oleg Dulin
It is memory-mapped I/O. I wouldn't worry about it. BTW, Windows might not be the best choice to run Cassandra on. My experience running Cassandra on Windows has not been positive one. We no longer support Windows as our production platform. Regards, Oleg On 2012-09-10 09:00:02 +, Rene