[bitbake-devel] [PATCH 09/16] prserv: Use a memory journal

[Richard Purdie]

On Fri, 2019-08-02 at 10:30 -0500, Mark Hatle wrote:
> On 8/2/19 10:20 AM, Richard Purdie wrote:
> > We've seen PR Server timeouts on the autobuilder, this is likely
> > from the
> > journal being blocked on disk IO generated by the build.
> > 
> > Since we're running with synchronous off, we may as well put the
> > journal
> > into memory and avoid any IO related stalls.
> 
> When does it flush to disk?  On exit?

It will make the correct writes to preserve the database so program
crashes won't corrupt, only a poweroff situation. Basically we're not
trying to second guess the VFS in the kernel.

Cheers,

Richard