lagtime issue Post: 302262583

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Top Forums Shell Programming and Scripting lagtime issue Post 302262583 by Navatha on Friday 28th of November 2008 04:31:01 AM

11-28-2008

Registered User

lagtime issue

Hi all,

Need your help in the following issue :

I have a script which does the calling of some packages:
All the packages that need to be called are wriiten into a inputfile
Also there are more than one package with the same sequence number.

so in my script I start the packages with the same seq num at the same time by running in the backgroud and also until the previous seq is executed the next seq wont be picked up...
once the packages are called the first thing they do is populating the
time in a table when the package is called for execution...
from observation I can see that the theres a difference in time when shell has started the package execution and the time populated in the table(considerably in sec .....5-8 sec)

Also....sometimes all the packages with the same seq number are not populated with the same timestamp upon the execution(all packages with the same seq num are executed in the background simulatneously )...

So my overall cycle time is affected as half of the time is wasted in the lag time ...

Can anyone suggest why theres is a considerable lag in calling of packages and the best possible solution to avoid this lag ?

Thanks in anticipation ,

Regards
Navatha

Navatha

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LEARN ABOUT DEBIAN

rdebsums

RDEBSUMS(1)							 Recursive debsums						       RDEBSUMS(1)

NAME

       rdebsums - a recursive debsums

SYNOPSIS

       rdebsums --help	| [  debsum options  ] [  --others  ] package

DESCRIPTION

       rdebsums  runs debsums(1) over a given package and all its dependencies. It can be used to make sure a problem with a package is not due to
       file corruption.

       All but the last element of the command-line and options understood by rdebsums are sent to debsums(1).

OPTIONS

       --help Prints a short help text

       --others
	      Also runs debsums on Recommended and Suggested packages.

EXAMPLES

       Check the package aptitude and all its dependencies:

       rdebsums aptitude

       The same while being significantly less verbose

       rdebsums -s aptitude

BUGS

       rdebsums is quite slow - essentially due to dpkg-query not being extremely fast.

       Currently, rdebsums will be confused by virtual packages.

       --others is actually nearly useless, as you often end up checking nearly all packages. You'll most probably win	time  by  running  debsums
       without arguments.

AUTHOR

       rdebsums was written by Vincent Fourmond <fourmond@debian.org>

SEE ALSO

       debsums(1), dpkg-query(1)

Version 0.1							    2007-03-29							       RDEBSUMS(1)