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* Dirty and cleaning of dirty data
@ 2013-10-22  6:11 Stefan Priebe - Profihost AG
  2014-05-22  1:31 ` NTS
  0 siblings, 1 reply; 2+ messages in thread
From: Stefan Priebe - Profihost AG @ 2013-10-22  6:11 UTC (permalink / raw)
  To: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

Hi,

while having a system under heavystress - i was seeing the following:

Dirty Data on SSD: 35GB data
Writes to sata disk mostly 0-4mb/s

Why does bcache not start to clean this data to get free ssd space?

Right now the system is pretty slow as the caching device is very dirty.

Stefan

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: Dirty and cleaning of dirty data
  2013-10-22  6:11 Dirty and cleaning of dirty data Stefan Priebe - Profihost AG
@ 2014-05-22  1:31 ` NTS
  0 siblings, 0 replies; 2+ messages in thread
From: NTS @ 2014-05-22  1:31 UTC (permalink / raw)
  To: linux-bcache

Stefan Priebe - Profihost AG <s.priebe@...> writes:

> 
> Hi,
> 
> while having a system under heavystress - i was seeing the following:
> 
> Dirty Data on SSD: 35GB data
> Writes to sata disk mostly 0-4mb/s
> 
> Why does bcache not start to clean this data to get free ssd space?
> 
> Right now the system is pretty slow as the caching device is very dirty.
> 
> Stefan
> 

hi mate,

do U solve that problem?
I'm testing bcache and now have same problem and don't know how to solve
it... so how to speed up (100x-400x times!!!!)

any idea how to speed up that dirty cache cleaning now and in the future?

regards
NTS

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2013-10-22  6:11 Dirty and cleaning of dirty data Stefan Priebe - Profihost AG
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