Re: [PATCH CFT] tons of logging patches

[Manuel Krause <manuel.krause@mb.tu-ilmenau.de>]

On 06/03/2002 05:51 AM, Chris Mason wrote:
> Hello everyone,
> 
> ftp.suse.com/pub/people/mason/data-logging
> 
> has beta code that gives you the following:
> 
> external logging devices
> data logging mount option (makes fsync and O_SYNC faster)
> ordered data mount option (no more garbage in your files after a crash)
> 
> optimizations to keep kupdate from triggering commits every 5 seconds
> optimizations for tiny transactions to reduce CPU usage and IO.
> optimizations for better locking and fewer calls to wakeup()
> 
> In short, it adds a bunch of features and makes everything faster.  The
> changes are very large, but they also build on older patches that have
> been circulating around for months.  It has been through a weekend of
> load testing here, but I still won't be surprised if people find
> corruption causing bugs.
> 
> It needs broad testing and benchmarking, in all the data modes, with a
> standard and external journal.
> 
> -chris
> 

I really got rid of my "usual setup": the speedup-compound-patch(with 
iicache-15?), akpm and aa patches for this testing now (mostly due to 
all these many rejects I got that Dieter had promised already... and due 
to the fact I have no time to understand->adjust them all manually at 
the moment).
I can't believe it, really, but I even left the other settings alone... ;-)

Now it is "only":
Kernel.2.4.19-pre9
ReiserFS.pending.01..03,05 (rest doesn't cooperate cleanly)
ReiserFS.mason.01..03 (maybe slightly modified for this)
rml.preempt-kernel (          -"-                 )

/ mounted -o noatime,notail,data=logging

Related to my previous state I once assumed to be lightning-fast I get 
-3secs (of former 17+1secs) load time of NS7 with all my plugins and 
-13+10secs (of former 27+10secs) load time of OOo.1.0 on a freshly 
booted machine. That is really nice!

Now I'll see VMwares results/reliability...
;-)

Very-very impressing, so far,

Manuel