Re: ATS performance degradation when debug output is enabled

2020-11-02 Thread Walt Karas
Note also that the PR included an implementation of read/write locking that avoids writer starvation, which apparently is an issue with std::shared_mutex and pthreads rwlock. On Mon, Nov 2, 2020 at 10:20 AM Walt Karas wrote: > Since this was mentioned during the summit, I just wanted to highligh

Re: ATS - Performance Related Questions - High

2013-11-08 Thread Bryan Call
The performance is *much* better on ATS. It really depends on your traffic patterns to determine how much better it will be. Also, the CPU usage is much lower on ATS. Some groups use RAID10 for ease of operation, but performance will be less then using the disk devices directly. You can emai

Re: ATS - Performance Related Questions - High

2013-11-08 Thread Leif Hedstrom
On Nov 8, 2013, at 2:07 AM, Igor Galić wrote: > > >> holds the similar type of feature which will gel well with RAID 10 level. >> If not we will go ahead with RAID 0 to save more disk space for larger >> cache. Currently we have 300GB cache on each ATS nodes. > > Given that Yahoo has switched

Re: ATS - Performance Related Questions - High

2013-11-08 Thread Igor Galić
- Original Message - > Hi Team, > > I would like to know few performance related information. We have capacity > planning meeting for setting up a new cluster with AT. So your input will > be a great value add in our capacity planning. > > Questions: > 1) YTS(Yahoo Traffic Server) has

Re: ATS performance

2012-04-28 Thread taorui
sorry, the URL: http://people.apache.org/~weijin/ats_performance.png On Sat, 2012-04-28 at 09:17 -0700, John Plevyak wrote: > I didn't get an attachment. Did anyone else? > > john > > On Fri, Apr 27, 2012 at 11:07 AM, taorui wrote: > > > the attachment is the results for the mail server not

Re: ATS performance

2012-04-28 Thread Leif Hedstrom
On 4/28/12 12:30 PM, John Plevyak wrote: OK, then it would seem best to open a bug and attach the file to the bug. Or perhaps use one of the many "pastbin" services for images, and just post the URL? -- Leif

Re: ATS performance

2012-04-28 Thread John Plevyak
OK, then it would seem best to open a bug and attach the file to the bug. On Sat, Apr 28, 2012 at 10:15 AM, Mladen Turk wrote: > On 04/28/2012 06:17 PM, John Plevyak wrote: > >> I didn't get an attachment. Did anyone else? >> >> > Nope. It's ASF policy. > See > https://issues.apache.org/**jira

Re: ATS performance

2012-04-28 Thread Mladen Turk
On 04/28/2012 06:17 PM, John Plevyak wrote: I didn't get an attachment. Did anyone else? Nope. It's ASF policy. See https://issues.apache.org/jira/browse/INFRA-1194 for disallowed MIME types. Cheers -- ^TM

Re: ATS performance

2012-04-28 Thread John Plevyak
I didn't get an attachment. Did anyone else? john On Fri, Apr 27, 2012 at 11:07 AM, taorui wrote: > the attachment is the results for the mail server not support image. > On Sat, 2012-04-28 at 02:02 +0800, taorui wrote: > > Hi, guys, We (taobao.com) did some analysis (include the hotpot and >

Re: ATS performance

2012-04-27 Thread taorui
the attachment is the results for the mail server not support image. On Sat, 2012-04-28 at 02:02 +0800, taorui wrote: > Hi, guys, We (taobao.com) did some analysis (include the hotpot and > concurrency)by using the intel vtune_amplifier_xe with the help of an > intel engineer. Here comes the resul