Hi Jean,
As mentioned in the DataStax link, your TCP connections will be marked dead
after 300+75*9 =975 seconds. Make sure that your firewall idle timeout is more
than 975 seconds. Otherwise firewall will drop connections and you may face
issues.You can also try setting all three values same as
Hello Annuj,,
I checked my settings and this what I got.
root@node001[SPH][BENCH][PnS3]:~$ sysctl -A | grep net.ipv4 | grep
net.ipv4.tcp_keepalive_probes
net.ipv4.tcp_keepalive_probes = 9
root@node001[SPH][BENCH][PnS3]:~$ sysctl -A | grep net.ipv4 | grep
net.ipv4.tcp_keepalive_intvl
net.ipv4.tcp_k
Hi anuj,
Thx for your replay, acctually I paste part of the result of the command
gre done over one log and I can see only the ip of the machine local
grep "Unexpected exception during request"
/var/opt/hosting/log/cassandra/system.log
INFO [SharedPool-Worker-1] 2016-01-29 10:40:47,744 Messa
Hi Jean,
Please make sure that your Firewall is not dropping TCP connections which are
in use. Tcp keep alive on all nodes must be less than the firewall setting.
Please refer to
https://docs.datastax.com/en/cassandra/2.0/cassandra/troubleshooting/trblshootIdleFirewall.html
for details on TCP s
