Hi,
We set the max number of processes and the max number of open files (CentOS):
/etc/security/limits.conf
couchbase soft nproc 32000
couchbase hard nofile 64000
couchbase soft nofile 64000
And set default sysctl settings (earlier we had specific settings for other database).
Also we configure MaxUserPort
and TCPTimedWaitDelay
on Windows.
Now we process 15k+ rps without problems.