[rrd-developers] MSYNC issues

Tobias Oetiker tobi at oetiker.ch
Tue Nov 11 17:31:49 CET 2008


Yesterday AJ Ragusa wrote:
> After I looked through the RRDTool code I found that it is using the
> MS_ASYNC flag... since this problem was only recently resolved (only
> took 4 years) in January of 2008 I'm guessing that not a lot of
> kernels have this fix.  Is it ok to change to MS_SYNC for the flag to
> msynch instead of MS_ASYNC?  Or is that going to cause more problems?

it is goig to kill perforance ...

apropos popular applications, I think samba was suffering from the
same issue with its database files.


Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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