On Tue, Nov 29, 2016 at 6:20 AM, Jim Nasby <jim.na...@bluetreble.com> wrote:
> On 11/28/16 11:53 AM, Joshua D. Drake wrote:
>> On 11/28/2016 11:40 AM, Jim Nasby wrote:
>>> With current limits, the most bgwriter can do (with 8k pages) is 1000
>>> pages * 100 times/sec = 780MB/s. It's not hard to exceed that with
>>> modern hardware. Should we increase the limit on bgwriter_lru_maxpages?
>> Considering a single SSD can do 70% of that limit, I would say yes.
> Next question becomes... should there even be an upper limit?
Looking at the log history the current default dates of cfeca621, it
would be time to raise the bar a little bit more. Even an utterly high
value could make sense for testing.
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