Re: {bb} Speed up bb-network.sh?

[Henrik Olsen <henrik@iaeste.dk>]

On Wed, 1 Sep 1999, matt mcConnell wrote:
> Brothers,
>     I'm running bb 1.2a (slightly hacked for extension scripts) on an E250
> under Solaris.  We are monitoring about 100 hosts and would like to start
> using bb as a serious tool.  All of our results so far have been positive,
> except for one thing: bb-network.sh takes a very long time (around 1 hour, I
> suspect)  to run and so our network status is not as curent as I would like.
> I think this is because 1) we have a lot of telnet hosts out at the far
> corners of the network, 2) worse, we have a lot of hosts that we are
> monitoring to make sure will _not_ accept telnet connections.
>     Has anyone had any luck parallelizing bb-network.sh?  I've noticed that
> two bb-network.sh processes are always running, perhaps if I increased this
> number and ran several processes out of sync I would get better times.  It
> looks like the other possibility might be to parallelize the whole thing,
> but I don't really want to do this if I don't have to.
>     Any hints?
Have a look at the enclosed new_network.tgz, it's a dropin replacement for
bb-network that's selftuning and will simply have enough processes running
to get everything checked every bbsleep seconds (on average).

It also runs the different tests in parallel, so though it does the telnet
tests sequentially, it does the http tests at the same time, and it will 
start a new batch of telnet tests even though the old batch isn't done yet

For people who have tried my earlier version, the only change is that it
also has the conn check as a seperat process, and that it supports the
noconn keyword for neither doing the conn check nor sending any status,
not even clear.

> 
> Regards,
> 
> matt
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-- 
Henrik Olsen,  Dawn Solutions I/S       URL=http://www.iaeste.dk/~henrik/
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HAL: Daisy, Daisy...        Bowman: Now I must finish this mission alone.
(STRANGE THINGS happen, and they MAKE SENSE.)
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new-network.tgz