Re: [Gluster-devel] I/O performance

2019-01-31 Thread Vijay Bellur
On Thu, Jan 31, 2019 at 11:12 PM Xavi Hernandez wrote: > On Fri, Feb 1, 2019 at 7:54 AM Vijay Bellur wrote: > >> >> >> On Thu, Jan 31, 2019 at 10:01 AM Xavi Hernandez >> wrote: >> >>> Hi, >>> >>> I've been doing some tests with the global thread pool [1], and I've >>> observed one important

Re: [Gluster-devel] I/O performance

2019-01-31 Thread Xavi Hernandez
On Fri, Feb 1, 2019 at 7:54 AM Vijay Bellur wrote: > > > On Thu, Jan 31, 2019 at 10:01 AM Xavi Hernandez > wrote: > >> Hi, >> >> I've been doing some tests with the global thread pool [1], and I've >> observed one important thing: >> >> Since this new thread pool has very low contention

Re: [Gluster-devel] I/O performance

2019-01-31 Thread Vijay Bellur
On Thu, Jan 31, 2019 at 10:01 AM Xavi Hernandez wrote: > Hi, > > I've been doing some tests with the global thread pool [1], and I've > observed one important thing: > > Since this new thread pool has very low contention (apparently), it > exposes other problems when the number of threads grows.

[Gluster-devel] I/O performance

2019-01-31 Thread Xavi Hernandez
Hi, I've been doing some tests with the global thread pool [1], and I've observed one important thing: Since this new thread pool has very low contention (apparently), it exposes other problems when the number of threads grows. What I've seen is that some workloads use all available threads on

Re: [Gluster-devel] Performance improvements

2019-01-31 Thread Xavi Hernandez
On Sun, Jan 27, 2019 at 8:03 AM Xavi Hernandez wrote: > On Fri, 25 Jan 2019, 08:53 Vijay Bellur >> Thank you for the detailed update, Xavi! This looks very interesting. >> >> On Thu, Jan 24, 2019 at 7:50 AM Xavi Hernandez >> wrote: >> >>> Hi all, >>> >>> I've just updated a patch [1] that