Re: RAIDframe level 5 write performance

To: tech-kern%NetBSD.org@localhost
Subject: Re: RAIDframe level 5 write performance
From: Edgar Fuß <ef%math.uni-bonn.de@localhost>
Date: Fri, 2 Nov 2012 22:57:43 +0100

> 350MB/sec?  That doesn't sound poor to me.
Sorry, 350kB/s. That's so incredibily poor that my fingers seem to have refused 
to type it.

> Unfortunately, writing to the block device with 'dd' from userspace is
> not really a useful test of anything.
So what should I test instead to track down the WAPL performance problems 
I ran into?

Follow-Ups:
- Re: RAIDframe level 5 write performance
  - From: Thor Lancelot Simon

References:
- Re: Serious WAPL performance problems
  - From: Mindaugas Rasiukevicius
- Re: Serious WAPL performance problems
  - From: Brian Buhrow
- Re: Serious WAPL performance problems
  - From: Mindaugas Rasiukevicius
- Re: Serious WAPL performance problems
  - From: Edgar Fuß
- Re: Serious WAPL performance problems
  - From: Mindaugas Rasiukevicius
- tstile lockup (was: Serious WAPL performance problems)
  - From: Edgar Fuß
- RAIDframe level 5 write performance(was: tstile lockup)
  - From: Edgar Fuß
- Re: RAIDframe level 5 write performance(was: tstile lockup)
  - From: Thor Lancelot Simon
- Re: RAIDframe level 5 write performance
  - From: Edgar Fuß
- Re: RAIDframe level 5 write performance
  - From: Thor Lancelot Simon

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