NetworkTopology strategy and murmer3 partitioner is being used. Just an update, nodes were able to receive queries from coordinator nodes but only old nodes are acting as coordinators.
As I explained before number of native connections on new nodes is very less compared to old nodes. How can i balance these connections without restarting client application, any idea? Thanks, Sandeep On Sat, 12 Sep 2020 at 5:02 AM, ZAIDI, ASAD <az1...@att.com> wrote: > > > > > > > > > > > > > > > > > Can you share please what replica placement strategy ( in keyspace > definition) and partitioner is used across nodes ? > > > ~Asad > > > > > > > > > > > > *From:* Sandeep Nethi <nethisande...@gmail.com> > > > *Sent:* Tuesday, September 8, 2020 1:12 AM > > > *To:* user@cassandra.apache.org > > > *Subject:* Re: Cassandra scale-out with no traffic on newly joined nodes > > > > > > > > > > That would be my last option to add a new host as contant point but as per > my understanding cassandra should auto discover newly joined nodes and > server or > > load balance connections automatically but it's not happening. So, i'm > trying to understand what could be the root cause here. > > > > > > > > > > > > > > Another problem that I have noticed is, the number of native client > connections on newly joined nodes vs old nodes is 1:7 and client > connections are not balanced > > across nodes (old nodes are overloaded compared to newly joined nodes). > Since i have a 6 node cluster with 3 racks, is it mandatory to have rack > awareness in driver load balancer? > > > > > > > > > > > > > > On Tue, Sep 8, 2020 at 6:02 PM manish khandelwal < > manishkhandelwa...@gmail.com> wrote: > > > > > > > > > Can you add new host as contact points and see if traffic lands on them or > not? > > > > > Also you can verify new nodes are added in system.peers of host name which > you are giving as contact points > > > > > > > > > > > > > > On Tue, Sep 8, 2020 at 11:27 AM Sandeep Nethi <nethisande...@gmail.com> > wrote: > > > > > > > > > Yes, all nodes are UN and no issues identified. Infact i could see some > client connections on new nodes with telnet but not seeing any traffic. > > > > > > > > > > > > Cassandra version: 3.11.6 > > > > > > > Load Balancing policy used is default with no custom policies. > > > > > > > > > > > > > > Thanks, > > > > > > > > > > > > > > On Tue, Sep 8, 2020 at 5:52 PM Erick Ramirez <erick.rami...@datastax.com> > wrote: > > > > > > > > > > > > > That shouldn't be a problem for the control connection. > > > > > > > > > > > > > > I would suggest looking into the load-balancing policy configured on the > driver. Also, are all the new nodes fully up and fully joined the cluster? > > > > > > > > > > > > > > > > > > > > > > > > > > >
