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Full Discussion: Fork Function Failed on 4GB ?
Operating Systems AIX Fork Function Failed on 4GB ? Post 302773323 by bakunin on Wednesday 27th of February 2013 04:41:14 PM
Old 02-27-2013
Your system has absolutely all available memory (including swap) exhausted. Which process is the culprit is everybodies guess. I suppose you have some memory-leak there.

The only option is: if you can, shut down Oracle, which will free some memory and then try to immediately power-cycle the system. If this is not possible your only option is to power-cycle it the hard way. AIX fileystems can usually cope with this and if you do it at a time where DB activity is minimal the risk for the database is small. A bit of redo-log gymnastics is usually all it takes to recover.

I remember having had such a problem once, which was a version incompatibility between some Oracle component and the AIX version (5.2 ML1, IIRC). After updating to a fitting set of versions the problem was gone never to come back.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
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LEARN ABOUT CENTOS

powertop

POWERTOP(8)							  powertop manual						       POWERTOP(8)

NAME

       powertop - a power consumption and power management diagnosis tool.

SYNOPSIS

       powertop [ options ]

DESCRIPTION

       powertop  is  a	program that helps to diagnose various issues with power consumption and power management. It also has an interactive mode
       allowing one to experiment with various power management settings. When invoking powertop without arguments powertop starts in  interactive
       mode.

OPTIONS

       --calibrate
	      runs  powertop  in  calibration mode. When running on battery, powertop can track power consumption as well as system activity. When
	      there are enough measurements, powertop can start to report power estimates. One can get	more  accurate	estimates  by  using  this
	      option to enable a calibration cycle. This will cycle through various display levels and USB device activities and workloads.

       --csv[=FILENAME]
	      generate	a  CSV report. If a filename is not specified then the default name "powertop.csv" is used. The CSV report can be used for
	      reporting and data analysis.

       --debug
	       run in "debug" mode.

       --extech=devnode
	      use the Extech Power Analyzer for measurements. This allows one to specify the serial device node of the serial to USB adaptor  con-
	      necting to the Extech Power Analyzer, for example /dev/ttyUSB0.

       --help
	       show the help message.

       --html[=FILENAME]
	      generate	an  HTML report. If a filename is not specified then the default name "powertop.html" is used. The HTML report can be sent
	      to others to help diagnose power issues.

       --iteration[=iterations]
	      number of times to run each test.

       --workload[=workload]
	      file to execute for workload.

       --quiet
	       supress stderr output.

       --time[=seconds]
	      generate a report for a specified number of seconds.

       --version
	      print version information and exit.

BUGS

       Send bug reports to <powertop@lists.01.org>

SEE ALSO

       The program is more fully described at https://01.org/powertop

AUTHOR

       powertop was written by	Arjan  van  de	Ven  <arjan@linux.intel.com>,  and  is	currently  maintained  by  Chris  E  Ferron  <chris.e.fer-
       ron@linux.intel.com>.

Linux								   June 1, 2012 						       POWERTOP(8)
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