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On latency in event processing network
Post 302221732 by Linux Bot on Tuesday 5th of August 2008 04:50:01 AM
08-05-2008
On latency in event processing network
2008-08-05T09:13:00.005+03:00
Packing, on my way to a family vacation in Anatalya, Turkey.
Following an interesting discussion yesterday about performance metrics -- it turns out that definition of latency in event processing network is quite tricky. The reason is that an event can move in multiple paths over the network, in some it is filterred out, in some it just getting into internal state of agent since it does not complete a pattern, and in some it may complete a pattern and trigger reaction, thus there are various ways to define the metrics here. This is important since optimization has to take into account the goal function - what is being optimized. More discussion on this area -- after I'll return. I'll be out of touch for a week.
Source...
Packing, on my way to a family vacation in Anatalya, Turkey.
Following an interesting discussion yesterday about performance metrics -- it turns out that definition of latency in event processing network is quite tricky. The reason is that an event can move in multiple paths over the network, in some it is filterred out, in some it just getting into internal state of agent since it does not complete a pattern, and in some it may complete a pattern and trigger reaction, thus there are various ways to define the metrics here. This is important since optimization has to take into account the goal function - what is being optimized. More discussion on this area -- after I'll return. I'll be out of touch for a week.
Source...
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LEARN ABOUT DEBIAN
mcpmv
MRENAME(1) General Commands Manual MRENAME(1) NAME
mrename - program to rename files SYNOPSIS
mrename 'pattern' prefix [option] DESCRIPTION
This manual page documents briefly the mrename command. This manual page was written for the Debian GNU/Linux distribution because the original program does not have a manual page. mrename is a tool for easy and automatic renaming of many files. The 'pattern' is the pattern to search files to rename (quoted to avoid that bash resolve it), and prefix is the prefix that will be added to the name of each file. The two alternative options for copying or moving files in the new name are explained below. All parameters are needed, and you have to stay and launch the script in the same direc- tory of the files to be renamed. The program should be able to write in this directory. OPTIONS
There are only the following three options. -c The option -c will copy each file with the new filename. -m The option -m will move each file in the new filename. -h Display help. EXAMPLE
If you have a directory with two jpeg images prof.jpg and forp.jpg and you want to add them a prefix like item0, item1 etc.. (that is item0prof.jpg, item1forp.jpg etc..) do this: cd /path/to/the/images mrename '*.jpg' item -c to copy each matching file into another with the new name mrename '*.jpg' item -m to rename each file without keeping a copy with the previous name Word-Wide-Web: http://alfalinux.sourceforge.net/mrename.php3 AUTHOR
: Giancarlo -rofus- Erra e-mail: rofus@mindless.com This manual page was written by Dr. Guenter Bechly <gbechly@debian.org>, for the Debian GNU/Linux system (but may be used by others). It is distributed under the GPL just like mrename itself. October 22, 2000 MRENAME(1)