Re: ntp by default on servers in Vivid

2014-12-15 Thread Seth Arnold
On Mon, Dec 15, 2014 at 03:22:19PM +, Robie Basak wrote: > If -g is specified to ntpd, then it will allow any variance the first > time it sets the time. After that, and always if -g was not specified, > it will exit (thus stop syncing time) if the variance is greater than > 1000 seconds. I don

RE: [RFC] CONFIG_ARM64_64K_PAGES=y for vivid?

2014-12-15 Thread Saqman2060
If you don't mind me asking, what do you mean by 64k pages. If I could general understanding if this term I can do some accurate research on it. -Original Message- From: "Dann Frazier" Sent: ‎12/‎15/‎2014 7:36 PM To: "ubuntu-devel@lists.ubuntu.com" ; "Ubuntu Kernel Team" Cc: "Adam Conr

Re: [RFC] CONFIG_ARM64_64K_PAGES=y for vivid?

2014-12-15 Thread Adam Conrad
On Mon, Dec 15, 2014 at 05:36:25PM -0700, Dann Frazier wrote: > > There's the question of whether or not we would be penalizing the > performance of other classes of workloads people want to run on arm64. > If there are some representative tests we should be looking at, please > let me know. So,

[RFC] CONFIG_ARM64_64K_PAGES=y for vivid?

2014-12-15 Thread Dann Frazier
We've measured significant performance improvements for several benchmarks by using 64K pages (SPECint, sysbench mysql, and kernel compiling)[*]. I'd therefore like to discuss whether or not we should switch to 64K pages in vivid. There's the question of whether or not we would be penalizing the p

Re: ntp by default on servers in Vivid

2014-12-15 Thread Robie Basak
On Sat, Oct 25, 2014 at 01:17:33PM -0500, D. Jared Dominguez wrote: > Out of curiosity, why ntpd/ntpdate instead of chrony? Chrony is > designed to work well on both mobile systems and servers. As I > understand, it's also the default of current Fedora and RHEL 7. Having chrony default on RHEL/Fed

Re: ntp by default on servers in Vivid

2014-12-15 Thread Robie Basak
On Wed, Oct 22, 2014 at 10:59:24AM -0400, Seth Arnold wrote: > On Wed, Oct 22, 2014 at 02:51:56PM +0100, Robie Basak wrote: > Historically, ntpd would refuse to change the system time beyond a small > amount, so ntpdate was run in the initscripts for ntpd to make sure that > ntpd could keep things