Chris, In jprofiler I see that the threads are waiting on reading the response from database side
On Thu, 10 Jun 2021, 08:10 Ayub Khan, <ayub...@gmail.com> wrote: > Seeing client write waits on postgresql as attached in the image. Is there > any bottle neck which is causing the client write waits on postgresql ? > > Below is the test setup > > Jmeter-->(load balanced tomcat on ec2 instances)---->rds read replicas > > All these are running on different ec2 instances in AWS cloud in the same > region > > below is the config of the http connector on tomcat: > > <Connector port="8080" > protocol="org.apache.coyote.http11.Http11NioProtocol" > connectionTimeout="120000" maxThreads="50000" > maxConnections="50000" > URIEncoding="UTF-8" > redirectPort="8443" /> > > Below are the specs of the server: > > Ec2 instance which is running tomcat 8.5 > > c5.9x large > 36 vpcu > 72GB memory > 10GBPS network > EBS band width 9500 > > > postgresql RDS db.r6g.16xlarge > > 512 GB memory > 64 VCPU > 25 Gibs network > AWS Gravitron cpu > > --Ayub > >
