Re: zk_outstanding_requests acceptable threshold limit

2016-07-13 Thread rammohan ganapavarapu
Patrick, My cluster showing 1 request most of the times for a very short period of time, i wanted to trigger alert based on the threshold at the same time i dont want to create noise, so > 5 or > 10 means too much? Thanks a lot for your reply, Ram On Wed, Jul 13, 2016 at 2:08 PM, Patrick Hunt

Re: zk_outstanding_requests acceptable threshold limit

2016-07-13 Thread Patrick Hunt
It depends on your load. If it's sustained > 0 for any length of time that indicates that the server is not able to process requests quickly enough. Usually that means disk IO problems (that's where I typically see it). Patrick On Tue, Jul 12, 2016 at 12:28 PM, rammohan ganapavarapu <

Re: ZK read-only issue

2016-07-13 Thread Flavio Junqueira
From the logs, it looks like the server the client is trying to connect to is behind compared to last zxid the client has seen: Refusing session request for client /10.11.12.4:49237 as it has seen zxid 0x3 our last zxid is 0x0 client must try another server I believe the behavior we

RE: Does Zoo still provides reads when 1 node fails out of 2 nodes with quorum set to 2?

2016-07-13 Thread Vladimir Picka
Thanks for the info. P. -Original Message- From: Camille Fournier [mailto:cami...@apache.org] Sent: 11. Ĩervence 2016 14:31 To: user@zookeeper.apache.org Subject: Re: Does Zoo still provides reads when 1 node fails out of 2 nodes with quorum set to 2? We support a read only mode