Re: Strange problem with cassandra

2011-12-05 Thread Konstantin Chernyakov
Thank you for reply. Yes, we have checked windows event logs and task scheduler, but haven't seen anything special. In addition, We have deployed one more cluster on same machines without any data and problem haven't reproduced on same time. It's very strange. On Mon, Dec 5, 2011 at 7:45 PM, Riya

Re: Strange problem with cassandra

2011-12-05 Thread Riyad Kalla
Konstantin, Have you checked the weekly cron job list on the servers or looked at the system logs at those rough times to see what the servers are doing? I doubt Cassandra has any time-sensitive code in it to kill off connections at 14:50pm, so my guess is something on the host causing the problem

Strange problem with cassandra

2011-12-05 Thread Konstantin Chernyakov
Hi. We are faced with strange problem where Cassandra nodes lose each other only one day of week, on friday, in exactly 14:50 PM, within several months. On that time each node periodically reports that other nodes are dead. At same time nodes are working fine. This continues about one hour, aft