Re: speed up dirty data cleaning

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Am 08.11.2013 03:49, schrieb Kent Overstreet:
> On Thu, Nov 07, 2013 at 04:18:35PM +0100, Stefan Priebe - Profihost AG wrote:
>> After some time it seems to start writing out all the data at a good
>> disk speed.
>>
>> But how does bcache determine when to write which kind of data out of
>> bcache.
> 
> There's a PD controller that tries to keep the amount of dirty data at
> writeback_percent percentage of your cache size. But, since the dirty data
> account was _still_ broken, that would screw up that PD controller.
> 
> Workaround is to set writeback_percent to 0

Tried that but it doesn't seem to start cleaning correctly.

Stefan
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