Re: bcache not working on large files?

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Hi Dirk,

On 10/22/2013 09:08 AM, Dirk Geschke wrote:
I was just playing a little bit with bcache and it works fine. But
if I try random IOPS writes (writeback) on a file larger than the
cache, it seems not to work? At least I get a performance as without
bcache.

Did I miss something? Is caching disabled in such cases?

Has anyone a hint for me, what is going wrong?
Bcache has some specific handling of sequential I/O:

http://evilpiepirate.org/git/linux-bcache.git/tree/Documentation/bcache.txt

Could this explain what you're seeing?

Rolf
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