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Full Discussion: how to check memory usage ?
Operating Systems Linux how to check memory usage ? Post 302503714 by truecall on Friday 11th of March 2011 11:46:03 AM
Old 03-11-2011
Well removing high load on a web application really depends on many things. Poor coding, lots of traffic, how you have sql setup will all play a role in performance.

I would check the php-cgi application.

Are you getting a lot of web traffic?

Run the below command and report with what you see:

Code:
ps auxw| awk '{print $6" "$0}' | grep MEM | grep -v grep && ps auxw| awk '{print $6" "$0}' | sort -n | tail -5

---------- Post updated at 10:46 AM ---------- Previous update was at 10:38 AM ----------

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LEARN ABOUT PHP

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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