In the same directory as SimplePerfTest is a Windows batch file. This is what I use to run it.
Sent from my iPhone > On 2016/03/02, at 6:03, Matt Sicker <boa...@gmail.com> wrote: > > SimplePerfTest is a main method class. But that plugin looks pretty sweet, > I'll check it out anyways. > >> On 1 March 2016 at 14:47, Gary Gregory <garydgreg...@gmail.com> wrote: >> Maybe this would help: https://github.com/artyushov/idea-jmh-plugin ? >> >> Gary >> >>> On Tue, Mar 1, 2016 at 12:43 PM, Matt Sicker <boa...@gmail.com> wrote: >>> I can't even figure out how to execute the simple perf test class. IntelliJ >>> gives me some annotation processing error, and doing it from the command >>> line is turning into a classpath nightmare to figure out what jars are >>> needed to execute the test manually. >>> >>>> On 1 March 2016 at 11:34, Gary Gregory <garydgreg...@gmail.com> wrote: >>>> Before the talk: Hi, I'm Remko, I help on Apache Log4j, are you available >>>> after the preso to talk about some issue we are seeing? >>>> >>>> Gary >>>> >>>>> On Mar 1, 2016 8:29 AM, "Matt Sicker" <boa...@gmail.com> wrote: >>>>> I'm attending a JUG meetup tonight with Kirk Pepperdine presenting. It's >>>>> supposed to be a Java performance workshop type of thing, so if you've >>>>> got a decent way to ask about it, I could see if he can help figure out >>>>> this regression. I can at least show off the SimplePerfTest and any >>>>> microbenchmarks we have. >>>>> >>>>>> On 28 February 2016 at 11:54, Matt Sicker <boa...@gmail.com> wrote: >>>>>> Take a look at the git bisect command. Might help you find which changes >>>>>> caused the problem. >>>>>> >>>>>> >>>>>>> On Sunday, 28 February 2016, Gary Gregory <garydgreg...@gmail.com> >>>>>>> wrote: >>>>>>> Thank you for digging in Remko. This is will be a nice theme to >>>>>>> publicize when you get it figured out. >>>>>>> >>>>>>> Gary >>>>>>> >>>>>>>> On Feb 28, 2016 4:08 AM, "Remko Popma" <remko.po...@gmail.com> wrote: >>>>>>>> After removing the potential impact of appenders and layouts by >>>>>>>> testing with >>>>>>>> log4j-core\src\test\resources\perf-CountingNoOpAppender.xml and >>>>>>>> org.apache.logging.log4j.core.async.perftest.SimplePerfTest, I've >>>>>>>> confirmed my initial numbers: >>>>>>>> >>>>>>>> 2.0: 7.5M ops/sec >>>>>>>> 2.1: 6M ops/sec >>>>>>>> 2.2: 6M ops/sec >>>>>>>> 2.3: 6M ops/sec >>>>>>>> 2.4: 4.5M ops/sec >>>>>>>> 2.5: 4M ops/sec >>>>>>>> 2.6: 2M ops/sec >>>>>>>> >>>>>>>> I tried reverting various changes made to AsyncLogger since 2.0, >>>>>>>> performance improves a little up to 4M ops/sec. >>>>>>>> However, when completely reverting AsyncLogger source to the 2.0 >>>>>>>> version, performance is back to 7.5M ops/sec. >>>>>>>> >>>>>>>> I'll try starting from the 2.0 source and getting back to 2.6 >>>>>>>> functionality without losing performance... >>>>>>>> (Lengthy process...) >>>>>>>> >>>>>>>> >>>>>>>>> On Sat, Feb 27, 2016 at 12:18 PM, Remko Popma <remko.po...@gmail.com> >>>>>>>>> wrote: >>>>>>>>> This is the PerfTestDriver test class (in log4j-core/test, package >>>>>>>>> ...async.perf). >>>>>>>>> Mainly perf3PlainNoLocation.xml: >>>>>>>>> RollingRandomAccessFileAppender, PatternLayout, all loggers are >>>>>>>>> AsyncLoggers, logging a simple string without parameters. >>>>>>>>> >>>>>>>>> Profiling with YourKit did not tell me anything useful. >>>>>>>>> >>>>>>>>> I'm now eliminating the effect of Layouts/Appenders, using >>>>>>>>> CountingNoOpAppender, and seeing similar numbers. So this seems to be >>>>>>>>> mostly an issue in AsyncLogger. >>>>>>>>> >>>>>>>>> I'll let you know when I find out more. >>>>>>>>> There's a lot of trial and error here, so this may take a while... >>>>>>>>> >>>>>>>>> Remko >>>>>>>>> >>>>>>>>> Sent from my iPhone >>>>>>>>> >>>>>>>>>> On 2016/02/26, at 21:02, Mikael Ståldal <mikael.stal...@magine.com> >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>> Which components (appenders, layouts) are involved in the tests? >>>>>>>>>> Would it be possible to do some profiling to see if there is any >>>>>>>>>> particular component which is to blame? >>>>>>>>>> >>>>>>>>>>> On Fri, Feb 26, 2016 at 12:51 PM, Remko Popma >>>>>>>>>>> <remko.po...@gmail.com> wrote: >>>>>>>>>>> To give you some rough impression on concrete numbers for this >>>>>>>>>>> trend: >>>>>>>>>>> 2.0: ~6M ops/sec >>>>>>>>>>> 2.1-2.2: ~5M ops/sec >>>>>>>>>>> 2.3-2.4: ~3-4M ops/sec >>>>>>>>>>> 2.5: ~3M ops/sec >>>>>>>>>>> 2.6: ~2M ops/sec >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> On Friday, 26 February 2016, Remko Popma <remko.po...@gmail.com> >>>>>>>>>>>> wrote: >>>>>>>>>>>> You're absolutely right. I still have quite a few unit tests to >>>>>>>>>>>> add. >>>>>>>>>>>> >>>>>>>>>>>> Initial perf testing shows a downward trend in Async Logger >>>>>>>>>>>> performance with every release. (Logging simple string messages >>>>>>>>>>>> without params.) This is worrisome and I'm focusing on figuring >>>>>>>>>>>> that out first: this will likely involve additional code changes >>>>>>>>>>>> and I'll add more tests after that. >>>>>>>>>>>> >>>>>>>>>>>> Sent from my iPhone >>>>>>>>>>>> >>>>>>>>>>>>> On 2016/02/26, at 10:38, Gary Gregory <garydgreg...@gmail.com> >>>>>>>>>>>>> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>> Wow, I love the activity we are seeing toward 2.6! All the perf >>>>>>>>>>>>> work on top of an existing sizable change set. Very exciting >>>>>>>>>>>>> indeed. >>>>>>>>>>>>> >>>>>>>>>>>>> There sure are a lot of changes coming in. I hope that we all can >>>>>>>>>>>>> pitch in to make sure most if not all of these changes get code >>>>>>>>>>>>> coverage from unit tests. I've not checked closely, but it seems >>>>>>>>>>>>> like we may not have good coverage _yet_, or do I have the wrong >>>>>>>>>>>>> impression? >>>>>>>>>>>>> >>>>>>>>>>>>> I want to make sure we keep our stability in tip top shape :-) >>>>>>>>>>>>> and that we have no regression from previous releases. >>>>>>>>>>>>> >>>>>>>>>>>>> Gary >>>>>>>>>>>>> >>>>>>>>>>>>> -- >>>>>>>>>>>>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >>>>>>>>>>>>> Java Persistence with Hibernate, Second Edition >>>>>>>>>>>>> JUnit in Action, Second Edition >>>>>>>>>>>>> Spring Batch in Action >>>>>>>>>>>>> Blog: http://garygregory.wordpress.com >>>>>>>>>>>>> Home: http://garygregory.com/ >>>>>>>>>>>>> Tweet! http://twitter.com/GaryGregory >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Mikael Ståldal >>>>>>>>>> Senior software developer >>>>>>>>>> >>>>>>>>>> Magine TV >>>>>>>>>> mikael.stal...@magine.com >>>>>>>>>> Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com >>>>>>>>>> >>>>>>>>>> Privileged and/or Confidential Information may be contained in this >>>>>>>>>> message. If you are not the addressee indicated in this message >>>>>>>>>> (or responsible for delivery of the message to such a person), you >>>>>>>>>> may not copy or deliver this message to anyone. In such case, >>>>>>>>>> you should destroy this message and kindly notify the sender by >>>>>>>>>> reply email. >>>>>> >>>>>> >>>>>> -- >>>>>> Matt Sicker <boa...@gmail.com> >>>>> >>>>> >>>>> >>>>> -- >>>>> Matt Sicker <boa...@gmail.com> >>> >>> >>> >>> -- >>> Matt Sicker <boa...@gmail.com> >> >> >> >> -- >> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >> Java Persistence with Hibernate, Second Edition >> JUnit in Action, Second Edition >> Spring Batch in Action >> Blog: http://garygregory.wordpress.com >> Home: http://garygregory.com/ >> Tweet! http://twitter.com/GaryGregory > > > > -- > Matt Sicker <boa...@gmail.com>
