quick workaround sunspot solr + too many open files error

This link is very helpful to fix solr- Too many open files error.

Max Number of ulimit open file : It's provide open file resource
availability in linux

Increase max number of ulimit open file in Linux.

1- Step : open the sysctl.conf and add this line fs.file-max = 65536

vi /etc/sysctl.conf add end of line
fs.file-max = 65536

save and exit.

2. Step : vi /etc/security/limits.conf and add below the mentioned

* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
save and exit check max open file ulimit

3.ulimit -a

core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 127358
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 65535