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Re: Patches since 2.4.19



On Wed, 16 Oct 2002 11:18:43 +0200, "Ralf Hildebrandt"
<Ralf Hildebrandt charite de> said:
> Yesterday we upgraded from 2.4.19-ac4 to 2.4.20-pre10-ac2 and found
> that this made the load on our main mailboxserver (ext3 for all
> partitions, ordered mode for the Maildirs, journal for the mailspool)
> go down tremendously.
> 
> We used to be in to 10-30 range and now we're down to 3-5!
> 
Interesting. The AC tree tends to be a bit more bleeding edge--are you
comfortable using it on production mail servers? Well, I guess you must
be, given that's what you're doing!

Any ideas if it's one of more of the AC patches, or something else in the
.20 patches, that's the source of your success? We've installed the
'all-in-one' patch to bring Ext3 up to that in .20, but haven't seen much
performance impact compared to .19.

We're also testing ResiserFS (with Chris Mason's data logging patches) on
one of our servers. Our stress testing suggests that it performs well,
but we'll have to see how it performs in a real world situation...





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