05-13-2010
The "glance" program has more options which help find bottlenecks.
Press ? to get the menu or start glance with the option "e.g. glance -t".
In your case these should help:
w (swap activity)
t (system tables) Need to see all pages of this.
m (memory)
B (Global waits)
N (NFS)
First impressions are that you are short of memory but the above glance options should show an overview of what is happening. If you have pseudo-swap configured this can skew the memory figures.
BTW. The vmstat would mean more if we knew the sampling interval (i.e. the command line you typed).
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LEARN ABOUT DEBIAN
glance-cache-prefetcher
GLANCE-CACHE-PREFETCHER(1) Glance GLANCE-CACHE-PREFETCHER(1)
NAME
glance-cache-prefetcher - Glance Cache Pre-fetcher
GLANCE IMAGE CACHE PRE-FETCHER
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-prefetcher [options]
DESCRIPTION
This is meant to be run from the command line after queueing images to be pretched.
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-PREFETCHER(1)