Marcus Christie created AIRAVATA-2373:
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Summary: Increase open file descriptor limits for RabbitMQ server
Key: AIRAVATA-2373
URL: https://issues.apache.org/jira/browse/AIRAVATA-2373
Project: Airavata
Issue Type: Bug
Components: GFac
Reporter: Marcus Christie
Assignee: Marcus Christie
Ran into a problem on gw56 where GFac wasn't able to make a connection to
RabbitMQ because RabbitMQ hit the open file descriptor limit of 1024.
Using
http://clouddoc.stratus.com/1.5.1.0/en-us/Content/Help/P03_Support/C02_InstallGuide/C05_OpenStackInstall/T_RabbitMQLimits.htm
as a guide I created a file called /etc/default/rabbitmq-server on gw56 with
the following contents:
{noformat}
ulimit -n 65536
{noformat}
Then I restarted RabbitMQ. I verified the new limit:
{noformat}
[root@gw56 ~]# grep -e Limit -e files /proc/$(cat /var/run/rabbitmq/pid)/limits
Limit Soft Limit Hard Limit Units
Max open files 65536 65536 files
{noformat}
Then I restarted GFac and it was able to connect to the process_launch queue
again.
It would be good to research if this is the best way to increase open file
limits and then get it into the Ansible scripts.
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