Hi, You have to define limits for the user. Here is an example for the user cassandra:
# cat /etc/security/limits.d/cassandra.conf cassandra - memlock unlimited cassandra - nofile 100000 best, Romain opensaf dev <opensaf...@gmail.com> a écrit sur 21/05/2014 06:59:05 : > De : opensaf dev <opensaf...@gmail.com> > A : user@cassandra.apache.org, > Date : 21/05/2014 07:00 > Objet : Memory issue > > Hi guys, > > I am trying to run Cassandra on CentOS as an user X other then root > or cassandra. When I run as user cassandra, it starts and runs fine. > But, when I run under user X, I am getting the below error once > cassandra started and system freezes totally. > > Insufficient memlock settings: > WARN [main] 2011-06-15 09:58:56,861 CLibrary.java (line 118) Unable > to lock JVM memory (ENOMEM). > This can result in part of the JVM being swapped out, especially > with mmapped I/O enabled. > Increase RLIMIT_MEMLOCK or run Cassandra as root. > > > I have tried the tips available online to change the memlock and > other limits both for users cassadra and X, but did not solve the problem. > > What else I should consider when I run cassandra other then user > cassandra/root. > > > Any help is much appreciated. > > > Thanks > Dev >
