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Full Discussion: Perl Script on Solaris and HP UX
Top Forums Shell Programming and Scripting Perl Script on Solaris and HP UX Post 302785453 by DGPickett on Monday 25th of March 2013 04:18:09 PM
Old 03-25-2013
Yes, a developer should not test his own stuff!
  • Group code review turns on circuits in your brain that see errors you ignored before. I call it the audience effect.
  • The dialectic tension between tester and developer is also an important resource. You love it, but he loves to find fault.
You deserve pretty code, so indent, tab align, slip in white space to keep things neat. You get paid back in better review, fewer errors and faster fixes. Every time you use a new line or each item, you help track changes in line oriented CM tools like SCCS and diff.

Log like you expect a midnight call when you are on vacation. After years of debugging with bad logging, I am now a fastidious logger and error checker. From first trial run to last is very short, usually, because my code does not go far off the track but I get a nice message and exit. Frame runs in the same log with header and trailer lines and blank lines. Put exact time stamps on all events. It's frustrating to be fixing errors in the wrong log. Put date-time-elements in file names, especially the log. For daemons that run many days, use syslog or start a new log every day. You can have a standard logging routine that saves the integer time() of tomorrow so I can check time() and close the log when necessary, with an old log trailer and the new log with a header.
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LEARN ABOUT DEBIAN

glance-cache-cleaner

GLANCE-CACHE-CLEANER(1) 					      Glance						   GLANCE-CACHE-CLEANER(1)

NAME

       glance-cache-cleaner - Glance Cache Cleaner

GLANCE IMAGE CACHE INVALID CACHE ENTRY AND STALLED IMAGE CLEANER

       Author glance@lists.launchpad.net

       Date   2012-01-03

       Copyright
	      OpenStack LLC

       Version
	      2012.1-dev

       Manual section
	      1

       Manual group
	      cloud computing

   SYNOPSIS
	  glance-cache-cleaner [options]

   DESCRIPTION
       This is meant to be run as a periodic task from cron.

       If  something  goes wrong while we're caching an image (for example the fetch times out, or an exception is raised), we create an 'invalid'
       entry. These entires are left around for debugging purposes. However, after some period of time, we want to clean these up.

       Also, if an incomplete image hangs around past the image_cache_stall_time period, we automatically sweep it up.

   OPTIONS
	  --version
		 show program's version number and exit

	  -h, --help
		 show this help message and exit

	  --config-file=PATH
		 Path to a config file to use. Multiple config files can be specified, with values in later files taking precedence.  The  default
		 files used are: []

	  -d, --debug
		 Print debugging output

	  --nodebug
		 Do not print debugging output

	  -v, --verbose
		 Print more verbose output

	  --noverbose
		 Do not print verbose output

	  --log-config=PATH
		 If  this option is specified, the logging configuration file specified is used and overrides any other logging options specified.
		 Please see the Python logging module documentation for details on logging configuration files.

	  --log-format=FORMAT
		 A logging.Formatter log message format string which may use any of the available logging.LogRecord attributes.  Default: none

	  --log-date-format=DATE_FORMAT
		 Format string for %(asctime)s in log records. Default: none

	  --log-file=PATH
		 (Optional) Name of log file to output to. If not set, logging will go to stdout.

	  --log-dir=LOG_DIR
		 (Optional) The directory to keep log files in (will be prepended to --logfile)

	  --use-syslog
		 Use syslog for logging.

	  --nouse-syslog
		 Do not use syslog for logging.

	  --syslog-log-facility=SYSLOG_LOG_FACILITY
		 syslog facility to receive log lines

   SEE ALSO
       o OpenStack Glance

   BUGS
       o Glance is sourced in Launchpad so you can view current bugs at OpenStack Glance

AUTHOR

       OpenStack

COPYRIGHT

       2010-present, OpenStack, LLC.

2012.1.1							  March 14, 2013					   GLANCE-CACHE-CLEANER(1)
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