rsync 2.6.0 - suspected memory leak bug

[Jim Salter]

What kernel are you using, and if it's not at least 2.4.x, have you 
considered simply trying a newer kernel?

> Jim Salter <jim <at> jrssystems.net> writes:
> 
> 
>>IANALG (I Am Not A Linux Guy - FreeBSD is my *nix of choice), but could 
>>this possibly be related to the mem:remap Linux kernel bug that was 
>>recently discovered?
>>
>>Jim Salter
>>
> 
> 
> It just might have something to do with this.  I have come to the conclusion 
> that there is a problem with Linux releaseing cache memory back to processes.  
> Being that I am not a Linux kernel guru, I am about to go through the kernel 
> sources and make environment to see if I can disble, or severely limit, disk 
> cacheing on these boxes.  With a 400+ GB database on these systems, the "cache 
> hit" success rate (even with a 4GB cache) would be near nil in any event (1% on 
> a good day with a 4GB cache), making any cache just wasted space.  I would much 
> rather get input from someone who has done this before and knows what the end 
> results are...doing it myself is the least favored solution, since this will be 
> a well exposed production resource.
> 
> This may be of interest to the rsync group, if they start having machines crash 
> during heavy rsync activity they need to know it is not necessarily an rsync 
> problem - rsync just exposed a flaw in the OS.
> 
> Cheers
> 
> Kelly
> 
> 
> 
>