Messages in this thread | | | Date | Thu, 22 Nov 2007 13:06:11 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH 2/9]: Reduce Log I/O latency |
| |
> FWIW from a "real time" database POV this seems to make sense to me... > in fact, we probably rely on filesystem metadata way too much > (historically it's just "worked".... although we do seem to get issues > on ext3).
For that case you really would need priority inheritance: any metadata IO on behalf or blocking a process needs to use the process' block IO priority.
David's change just fixes a limited set of cases, but breaks others.
-Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |