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Full Discussion: how to check memory usage ?
Operating Systems Linux how to check memory usage ? Post 302503720 by mrugesh78 on Friday 11th of March 2011 11:51:08 AM
Old 03-11-2011
I am using wordpress installation and using some standard plugins.

I have 400 visitors per hour and daily 1500 unique visitors. Database size is 50MB. but it has 1200 posts and 25,000 comments. I think it is creating number of connections when readers connects and stay long time on site for reading articles. I have not made any manual php files. everything is wordpress.


here is the output by running the following command :

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



Code:
12560 apache   19698  0.0  0.5 296128 12560 ?        S    10:43   0:00 /usr/sbin/httpd
20456 root     26418  0.0  0.9 295104 20456 ?        Ss   Mar08   0:48 /usr/sbin/httpd
28440 mysql    30666  5.3  1.3 239548 28440 ?        Sl   Mar08 231:03 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/        run/mysqld/mysqld.pid --skip-external-locking --socket=/var/lib/mysql/mysql.sock
45068 popuser  31873  0.0  2.1 107864 45068 ?        S    Mar08   0:00 spamd child
46528 root     31867  0.0  2.2 107864 46528 ?        Ss   Mar08   0:04 /usr/bin/spamd --username=popuser --daemonize --nouser-config --helper-home-dir=/var/qmai        l --max-children 1 --create-prefs --virtual-config-dir=/var/qmail/mailnames/%d/%l/.spamassassin --pidfile=/var/run/spamd/spamd_full.pid --socketpath=/tmp/spamd_        full.sock

 

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mysqld_multi(1) 						  MySQL database						   mysqld_multi(1)

NAME
mysqld_multi - is meant for managing several mysqld processes running in different UNIX sockets and TCP/IP ports. USAGE
mysqld_multi [OPTIONS] {start|stop|report} [GNR,GNR,GNR...] SYNOPSIS
mysqld_multi [--config-file=...] [--example] [--help] [--log=...] [--mysqladmin=...] [--mysqld=...] [--no-log] [--password=...] [--tcp-ip] [--user=...] [--version] DESCRIPTION
mysqld_multi --config-file=... Alternative config file. NOTE: This will not affect this program's own options (group [mysqld_multi]), but only groups [mysqld#]. Without this option everything will be searched from the ordinary my.cnf file. --example Give an example of a config file. --help Print this help and exit. --log=... Log file. Full path to and the name for the log file. NOTE: If the file exists, everything will be appended. --mysqladmin=... mysqladmin binary to be used for a server shutdown. --mysqld=... mysqld binary to be used. Note that you can give mysqld_safe to this option also. The options are passed to mysqld. Just make sure you have mysqld in your environment variable PATH or fix mysqld_safe. --no-log Print to stdout instead of the log file. By default the log file is turned on. --password=... Password for user for mysqladmin. --tcp-ip Connect to the MySQL server(s) via the TCP/IP port instead of the UNIX socket. This affects stopping and reporting. If a socket file is missing, the server may still be running, but can be accessed only via the TCP/IP port. By default connecting is done via the UNIX socket. --user=... MySQL user for mysqladmin. --version Print the version number and exit. NOTE
Please see the mysql manual for more detailed information on this. SEE ALSO
isamchk(1), isamlog(1), mysql(1), mysqlaccess(1), mysqladmin(1), mysqld(1), mysqld_safe(1), mysqldump(1), mysql_fix_privilege_tables(1), mysqlshow(1), mysql_zap(1), perror(1), replace(1) For more information please refer to the MySQL reference manual, which may already be installed locally and which is also available online at http://www.mysql.com/doc/en/ BUGS
Please refer to http://bugs.mysql.com/ to report bugs. AUTHOR
Ver 1.0, distribution 4.0.24 Michael (Monty) Widenius (monty@mysql.com), MySQL AB (http://www.mysql.com/). This software comes with no warranty. Manual page by L. (Kill-9) Pedersen (kill-9@kill-9.dk), Mercurmedia Data Model Architect / system developer (http://www.mercur- media.com) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+------------------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+------------------------------------+ |Availability | SUNWmysqlr, SUNWmysqlu, SUNWmysqlt | +--------------------+------------------------------------+ |Interface Stability | External | +--------------------+------------------------------------+ NOTES
Source for mysql is available on http://opensolaris.org. MySQL 4.0 19 December 2000 mysqld_multi(1)
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