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Operating Systems Linux Memory issue on My CentOS 5.8 x64 bit server Post 302770808 by DGPickett on Monday 18th of February 2013 12:10:03 PM
Old 02-18-2013
Under VM, not dirty pages stay mapped in case anyone wants to read them through a mmap(). If you need a page, they can be taken, but they are not free. You can run a job that mmap()'s a file, read the whole file into ram, exit, run it again, and when it mmap()s the file again, the old pages are mapped into the new process memory range and it runs much faster. This is what happens with libc.so: everyone runs printf() from the same ram page.
 

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asadmin-list-components(1AS)					   User Commands				      asadmin-list-components(1AS)

NAME
asadmin-list-components, list-components - Lists deployed components SYNOPSIS
list-components --user admin_user[--password admin_password][--host localhost] [--port 4848][--secure|-s][--passwordfile filename] [--terse=false] [--echo=false] [--interactive] [--type application|ejb|web|connector] list-components lists your deployed J2EE components. If the --type option is not specified, all components are listed. The available type values are: application (default), ejb, web, and connector. This command is supported in remote mode only. OPTIONS
--user authorized domain application server administrative username. --password password to administer the domain application server. --host machine name where the domain application server is running. --port port number of the domain application server listening for administration requests. --secure if true, uses SSL/TLS to communicate with the domain application server. --passwordfile file containing the domain application server password. --terse indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well- formatted data for consumption by a script. --echo setting to true will echo the command line statement on the standard output. --interactive prompts you for the required options that are not already specified. --type identifies the type of component to be listed; defaults to application. Example 1: Using list-components asadmin> list-components --type application sampleApp J2EE-application Command list-components executed successfully Where: the applications that were deployed are listed. EXIT STATUS
0 command executed successfully 1 error in executing the command asadmin-show-component-status(1AS), asadmin-list-sub-components(1AS) J2EE 1.4 SDK March 2004 asadmin-list-components(1AS)
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