Re: websocket: connections not getting closed properly

2017-06-29 Thread Sandeep Dhameshia
Thanks Anurag, Will keep an eye on this. Btw am not using auto scaling. On Jun 29, 2017 17:59, "anurag gupta" wrote: > Beware of the AWS ALB, It has a nasty bug where it terminates a chunk of > connections even if they are active. This happens after 10-12 hrs. and > related to the autoscaling o

Re: websocket: connections not getting closed properly

2017-06-29 Thread anurag gupta
Beware of the AWS ALB, It has a nasty bug where it terminates a chunk of connections even if they are active. This happens after 10-12 hrs. and related to the autoscaling of ALB. On Thu, Jun 29, 2017 at 5:40 PM, Sandeep Dhameshia < sandeep.dhames...@gmail.com> wrote: > Update: > > Started using A

Re: websocket: connections not getting closed properly

2017-06-29 Thread Sandeep Dhameshia
Update: Started using AWS Application Load Balancer, with SSL offload. This has reduced CPU utilization by 5 times! And most importantly, wrt this mail chain, num of connections looks stable now, with same load. Can see some Client TLS Negotiations Errors in LB's monitoring console. Num of errors

Re: websocket: connections not getting closed properly

2017-06-23 Thread Sandeep Dhameshia
One more doubt, does it log anything when max connections limit is reached and it starts dropping requests? This happened few days back, and since it is a production server I did not have time to see num of file descriptors for tomcat process and response code to client. Nothing was logged, restart

Re: websocket: connections not getting closed properly

2017-06-20 Thread Sandeep Dhameshia
Thanks for your reply Mark, *log msg*: Jun 08, 2017 10:13:07 AM org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer doClose INFO: Failed to close the ServletOutputStream connection cleanly java.io.IOException: Broken pipe at sun.nio.ch.FileDispatcherImpl.write0(Native Method) at sun.nio

Re: websocket: connections not getting closed properly

2017-06-20 Thread Mark Thomas
On 20/06/2017 18:48, Sandeep Dhameshia wrote: > Hello, > > I don't know about any format in which I should write this mail, so please > forgive me if there's any format to follow. > > I am using v8.0.43 in latest Amazon Linux AMI(2017.03), on m4.large > instance. I have deployed modified example

websocket: connections not getting closed properly

2017-06-20 Thread Sandeep Dhameshia
Hello, I don't know about any format in which I should write this mail, so please forgive me if there's any format to follow. I am using v8.0.43 in latest Amazon Linux AMI(2017.03), on m4.large instance. I have deployed modified example Chat application. Everything works fine as expected, but I