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CTimmerman/mem_perc.py

Created June 4, 2015 14:11
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Get and check local and remote (Tomcat) memory usage
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mem_perc.py
"""Checks memory percentage of first process by user name.
2015-06-04 v1.0 by Cees.Timmerman@nospam
Run with `python -m doctest mem_perc.py`.
>>> ps_tomcat = ['ps', 'u', '-U', 'tomcat6']
>>> mem_perc(ps_tomcat) < 20
True
>>> mem_perc(['ssh', 'other.host'] + ps_tomcat) < 20
True
"""
import re, subprocess as sub
def mem_perc(cmd_list): return float(re.split('\s+', sub.check_output(cmd_list, stderr=sub.STDOUT).split('\n')[1])[3])
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