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What is simply_fast.py?
What is this process running on my cluster hosts?
dbadmin 9297 1.1 0.1 535844 73296 ? S<l Aug16 208:54 /opt/vertica/oss/python/bin/python ./simply_fast.py
The simply_fast processes monitor nodes in the vertica cluster on behalf of the Management Console (MC).
If you are not using MC, you can safely stop it. As root (on each cluster node):
# service vertica_agent stop
To disable the agent from restarting on a server reboot, use chkconfig:
# chkconfig --del vertica_agent
Reverse these steps with:
# chkconfig --add vertica_agent
# service vertica_agent start