[Lustre-devel] F/S stats visualisation

[Nathan Rutman]

That's interesting - why do you think opens >> closes?
Are we not tracking closes correctly?

On Apr 28, 2011, at 4:04 PM, Eric Barton wrote:

> Hi,
> 
> I've made some histograms that visualise the F/S stats people have
> so kindly sent in.  There are a couple of surprises which seem to
> do with how the filesystems were set up (e.g. huge #s of inodes
> reserved but not used on OSTs) and used (different ratios of ops).
> 
> The attached PDF has a summary for each filesystem containing...
> 
> * Filesystem name
> 
> * Ratio of MDS 1K blocks to MDS inodes
>  Ratio of OST 1K blocks to MDS inodes
>  Ratio of OST inodes to MDS inodes
> 
> * Histogram of operation counts
> 
> * Histogram of blocks total (blue) and used (red) on the MDS
>  and all OSTs
> 
> * Histogram of inodes total (blue) and used (red) on the MDS
>  and all OSTs 
> 
> ...hope you find it useful.
> 
>          Cheers,
>                   Eric
> 
> 
> <Lustre stats.pdf>_______________________________________________
> Lustre-devel mailing list
> Lustre-devel at lists.lustre.org
> http://lists.lustre.org/mailman/listinfo/lustre-devel
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