Re: [PATCH 0/10] fuse: An attempt to implement a write-back cache policy

[Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>]

> Alright, here are the resulting transfer rates for 131 MB of data:
> 
> Blocksize    Kernel 3.2         3.5-pre          3.5-pre + patch
> 4k           16.2               31.5             23.8
> 8k           52.8               48.5             91.2
> 16k          59.1               46.8             136
> 32k          64.1               47.6             185
> 64k          71.3               50.9             217
> 96k          76.1               50.6             229
> 128k         62.4               76.5             252
> 256k         66.6               68.8             286
> 512k         54.1               55.1             290
> 1024k        78.7               68.5             294
> 
> There's up to 20 MB/s variation for a block size on successive runs, but
> it's still obvious that the patch really makes a huge difference.
> Thinking about it, it actually makes sense even for the block sizes
> greater than 128 kb. Here the speedup probably comes from the fact that
> the FUSE daemon can now process several chunks at the same time.

Thanks a lot for testing the patches, I really appreciate that!

> Please let me know if there is anything I can do to help get this
> merged. The results look fantastic.

Well, I'm going to address Miklos' comments and resubmit the series (hopefully
next week). When I resubmit them you can put your Tested-by: tags on the series
and provide details about how you tested it. This will give the patches more
chances to get merged earlier.

> Best,
> 
>    -Nikolaus
> 

Thanks,
Pavel

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