Hi Nitin, In Cassandra documentation[1], it is mentioned to increase the number of open files using ulimit which is a system (Linux) level setting.
1) http://docs.datastax.com/en/cassandra/2.0/cassandra/install/installRecommendSettings.html Thanks Ajay On Tue, Jul 28, 2015 at 7:13 PM, nitin sharma <kumarsharma.ni...@gmail.com> wrote: > HI, > > Has anyone worked on Storm - Cassandra setup? in my project Storm bolt > will inject messages to Cassandra using Datax driver. > > We have observed that a single bolt executor thread is able to provide a > throughput of 16 transactions per sec.. I.e - a single bolt executor thread > is able to handle 16 tuple messages, process them and write to Cassandra in > 1 sec. > > to meat our load requirement, we need nearly 100 executor thread.. But our > problem is that after 32 executor thread, we start getting following error > message while deploying the Storm topology.. > > “java.net.SocketException: Too many open files” > > Has anyone faced this issue earlier? any suggestions? > > > Regards, > Nitin Kumar Sharma. > >