On Mon, 08 Dec 2003 10:42:33 +0000 James Stevens <[EMAIL PROTECTED]> wrote:
> > Remember that on daily basis we only update the daily.cvd database
> > which is very small. Our mirrors successfuly handle thousands of
> > updates per day so your customers may download the databases
> > directly from database.clamav.net.
>
> Yes, but when you roll that daily into the main database, everybody
> has to do a full download. This is expensive. With "rsync" you only
> ever download diffs, and even those are LZ compressed. At the end of
> the day this is the way the commercial AV vendors do things and is
> much more scalable.
Which a-v vendor ?
> With "rsync" a null update - i.e. check that nothing has change in
> "viruses.db" or "viruses.db2" costs 386 bytes in a single TCP
> connection - not bad eh ?
We can't depend on rsync because in contrast to httpd it is not "a
standard". Alo rsync is VERY resource (cpu, mem, ..) consumptive.
Best regards,
Tomasz Kojm
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