On Thu, Jan 26, 2017 at 10:19:16AM +, Mel Gorman wrote:
> On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> > We noticed a performance regression when moving hadoop workloads from
> > 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> > activity initiated
On Thu, Jan 26, 2017 at 10:19:16AM +, Mel Gorman wrote:
> On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> > We noticed a performance regression when moving hadoop workloads from
> > 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> > activity initiated
On Thu, Jan 26, 2017 at 03:07:45PM -0500, Johannes Weiner wrote:
> On Thu, Jan 26, 2017 at 10:19:16AM +, Mel Gorman wrote:
> > On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> > > We noticed a performance regression when moving hadoop workloads from
> > > 3.10 kernels to 4.0
On Thu, Jan 26, 2017 at 03:07:45PM -0500, Johannes Weiner wrote:
> On Thu, Jan 26, 2017 at 10:19:16AM +, Mel Gorman wrote:
> > On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> > > We noticed a performance regression when moving hadoop workloads from
> > > 3.10 kernels to 4.0
On Mon 23-01-17 13:16:41, Johannes Weiner wrote:
> We noticed a performance regression when moving hadoop workloads from
> 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> activity initiated by kswapd as well as frequent bursts of allocation
> stalls and direct reclaim
On Mon 23-01-17 13:16:41, Johannes Weiner wrote:
> We noticed a performance regression when moving hadoop workloads from
> 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> activity initiated by kswapd as well as frequent bursts of allocation
> stalls and direct reclaim
On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> We noticed a performance regression when moving hadoop workloads from
> 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> activity initiated by kswapd as well as frequent bursts of allocation
> stalls and
On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> We noticed a performance regression when moving hadoop workloads from
> 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> activity initiated by kswapd as well as frequent bursts of allocation
> stalls and
On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> We noticed a performance regression when moving hadoop workloads from
> 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> activity initiated by kswapd as well as frequent bursts of allocation
> stalls and
On Mon, Jan 23, 2017 at 01:16:41PM -0500, Johannes Weiner wrote:
> We noticed a performance regression when moving hadoop workloads from
> 3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
> activity initiated by kswapd as well as frequent bursts of allocation
> stalls and
We noticed a performance regression when moving hadoop workloads from
3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
activity initiated by kswapd as well as frequent bursts of allocation
stalls and direct reclaim scans. Even lowering the dirty ratios to the
equivalent of
We noticed a performance regression when moving hadoop workloads from
3.10 kernels to 4.0 and 4.6. This is accompanied by increased pageout
activity initiated by kswapd as well as frequent bursts of allocation
stalls and direct reclaim scans. Even lowering the dirty ratios to the
equivalent of
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