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Full Discussion: RHEL Memory issue
Operating Systems Linux Red Hat RHEL Memory issue Post 302977034 by MadeInGermany on Monday 11th of July 2016 11:27:33 AM
Old 07-11-2016
But a "memory sink" would not be "system buffers/cache". It is part of the 13 GB memory in the sample in post#1.
Linux really suffers from the following work-load:
one process keeps I/O writing (until the free memory is shrunk to nearly 0), while another process writes to not yet initialized memory (that has been malloc()ed before).
 

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SPACEWALK-CHANNEL(8)						   Red Hat, Inc.					      SPACEWALK-CHANNEL(8)

NAME
spacewalk-channel - Subscribe to or unsubscribe system from channel. SYNOPSIS
spacewalk-channel [options] DESCRIPTION
spacewalk-channel allows you to subscribe to and unsubscribe from specified channels via the command line. A visit to the "Spacewalk Server", "Red Hat Satellite" or "Red Hat Network Classic" website isn't required. OPTIONS
-l, --list Print a list of channel(s) that you are currently subscribed to. -b, --base Print a base channel that you are currently subscribed to. -L, --available-channels Print a list of all available child channels. -a, --add You are subscribing system to given channel(s). You have to specify --user and --password. -r, --remove You are unsubscribing system to given channel(s). You have to specify --user and --password. -u, --user Your username used to register the system with and for Red Hat Network Classic, Red Hat Satellite or Spacewalk. If you do not enter this option and it is required, you will be prompted. -p, --password The password associated with the username specified with the --user option. This is an unencrypted password. If you do not enter this option and it is required, you will be prompted. -c, --channel Label of channel you want to subscribe to or unsubscribe from. Can be specified multiple times. -v, --verbose Print out successfull action. -h, --help Show a help message and exit. NOTE
The addition and removal of channels is mutually exclusive, please use the command twice. EXAMPLES
Subscribe to two channels: spacewalk-channel --add -c rhn-tools-rhel-i386-server-5 -c rhel-i386-server-vt-5 --user username --password password Unsubscribe from channel: spacewalk-channel --remove -c rhn-tools-rhel-i386-server-5 -c rhel-i386-server-vt-5 --user username --password password List subscribed channels: spacewalk-channel --list SEE ALSO
rhnplugin(8), rhn_register(8), up2date(5). AUTHORS
Miroslav Suchy <msuchy@redhat.com> BUGS
Report bugs to <http://bugzilla.redhat.com>. COPYRIGHT
Copyright (C) 2009-2010 Red Hat, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. Linux 2010 August 30 SPACEWALK-CHANNEL(8)
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