Just to confirm, this is on Wednesday? > On 15 Apr 2019, at 22:38, Jon Haddad <j...@jonhaddad.com> wrote: > > Hey all, > > I've set up a Zoom call for 9AM Pacific time. Everyone's welcome to join. > > https://zoom.us/j/189920888 > > Looking forward to a good discussion on how we can all pitch in on > getting 4.0 out the door. > > Jon > > On Sat, Apr 13, 2019 at 9:14 AM Jonathan Koppenhofer > <j...@koppedomain.com> wrote: >> >> Wednesday would work for me. >> >> We use and (slightly) contribute to tlp tools. We are platform testing and >> beginning 4.0 testing ourselves, so an in person overview would be great! >> >> On Sat, Apr 13, 2019, 8:48 AM Aleksey Yeshchenko <alek...@apple.com.invalid> >> wrote: >> >>> Wednesday and Thursday, either, at 9 AM pacific WFM. >>> >>>> On 13 Apr 2019, at 13:31, Stefan Miklosovic < >>> stefan.mikloso...@instaclustr.com> wrote: >>>> >>>> Hi Jon, >>>> >>>> I would like be on that call too but I am off on Thursday. >>>> >>>> I am from Australia so 5pm London time is ours 2am next day so your >>>> Wednesday morning is my Thursday night. Wednesday early morning so >>>> your Tuesday morning and London's afternoon would be the best. >>>> >>>> Recording the thing would be definitely helpful too. >>>> >>>> On Sat, 13 Apr 2019 at 07:45, Jon Haddad <j...@jonhaddad.com> wrote: >>>>> >>>>> I'd be more than happy to hop on a call next week to give you both >>>>> (and anyone else interested) a tour of our dev tools. Maybe something >>>>> early morning on my end, which should be your evening, could work? >>>>> >>>>> I can set up a Zoom conference to get everyone acquainted. We can >>>>> record and post it for any who can't make it. >>>>> >>>>> I'm thinking Tuesday, Wednesday, or Thursday morning, 9AM Pacific (5pm >>>>> London)? If anyone's interested please reply with what dates work. >>>>> I'll be sure to post the details back here with the zoom link in case >>>>> anyone wants to join that didn't get a chance to reply, as well as a >>>>> link to the recorded call. >>>>> >>>>> Jon >>>>> >>>>> On Fri, Apr 12, 2019 at 10:41 AM Benedict Elliott Smith >>>>> <bened...@apache.org> wrote: >>>>>> >>>>>> +1 >>>>>> >>>>>> I’m also just as excited to see some standardised workloads and test >>> bed. At the moment we’re benefiting from some large contributors doing >>> their own proprietary performance testing, which is super valuable and >>> something we’ve lacked before. But I’m also keen to see some more >>> representative workloads that are reproducible by anybody in the community >>> take shape. >>>>>> >>>>>> >>>>>>> On 12 Apr 2019, at 18:09, Aleksey Yeshchenko >>> <alek...@apple.com.INVALID> wrote: >>>>>>> >>>>>>> Hey Jon, >>>>>>> >>>>>>> This sounds exciting and pretty useful, thanks. >>>>>>> >>>>>>> Looking forward to using tlp-stress for validating 15066 performance. >>>>>>> >>>>>>> We should touch base some time next week to pick a comprehensive set >>> of workloads and versions, perhaps? >>>>>>> >>>>>>> >>>>>>>> On 12 Apr 2019, at 16:34, Jon Haddad <j...@jonhaddad.com> wrote: >>>>>>>> >>>>>>>> I don't want to derail the discussion about Stabilizing Internode >>>>>>>> Messaging, so I'm starting this as a separate thread. There was a >>>>>>>> comment that Josh made [1] about doing performance testing with real >>>>>>>> clusters as well as a lot of microbenchmarks, and I'm 100% in support >>>>>>>> of this. We've been working on some tooling at TLP for the last >>>>>>>> several months to make this a lot easier. One of the goals has been >>>>>>>> to help improve the 4.0 testing process. >>>>>>>> >>>>>>>> The first tool we have is tlp-stress [2]. It's designed with a "get >>>>>>>> started in 5 minutes" mindset. My goal was to ship a stress tool >>> that >>>>>>>> ships with real workloads out of the box that can be easily tweaked, >>>>>>>> similar to how fio allows you to design a disk workload and tweak it >>>>>>>> with paramaters. Included are stress workloads that stress LWTs (two >>>>>>>> different types), materialized views, counters, time series, and >>>>>>>> key-value workloads. Each workload can be modified easily to change >>>>>>>> compaction strategies, concurrent operations, number of partitions. >>>>>>>> We can run workloads for a set number of iterations or a custom >>>>>>>> duration. We've used this *extensively* at TLP to help our customers >>>>>>>> and most of our blog posts that discuss performance use it as well. >>>>>>>> It exports data to both a CSV format and auto sets up prometheus for >>>>>>>> metrics collection / aggregation. As an example, we were able to >>>>>>>> determine that the compression length set on the paxos tables imposes >>>>>>>> a significant overhead when using the Locking LWT workload, which >>>>>>>> simulates locking and unlocking of rows. See CASSANDRA-15080 for >>>>>>>> details. >>>>>>>> >>>>>>>> We have documentation [3] on the TLP website. >>>>>>>> >>>>>>>> The second tool we've been working on is tlp-cluster [4]. This tool >>>>>>>> is designed to help provision AWS instances for the purposes of >>>>>>>> testing. To be clear, I don't expect, or want, this tool to be used >>>>>>>> for production environments. It's designed to assist with the >>>>>>>> Cassandra build process by generating deb packages or re-using the >>>>>>>> ones that have already been uploaded. Here's a short list of the >>>>>>>> things you'll care about: >>>>>>>> >>>>>>>> 1. Create instances in AWS for Cassandra using any instance size and >>>>>>>> number of nodes. Also create tlp-stress instances and a box for >>>>>>>> monitoring >>>>>>>> 2. Use any available build of Cassandra, with a quick option to >>> change >>>>>>>> YAML config. For example: tlp-stress use 3.11.4 -c >>>>>>>> concurrent_writes:256 >>>>>>>> 3. Do custom builds just by pointing to a local Cassandra git repo. >>>>>>>> They can be used the same way as #2. >>>>>>>> 4. tlp-stress is automatically installed on the stress box. >>>>>>>> 5. Everything's installed with pure bash. I considered something >>> more >>>>>>>> complex, but since this is for development only, it turns out the >>>>>>>> simplest tool possible works well and it means it's easily >>>>>>>> configurable. Just drop in your own bash script starting with a >>>>>>>> number in a XX_script_name.sh format and it gets run. >>>>>>>> 6. The monitoring box is running Prometheus. It auto scrapes >>>>>>>> Cassandra using the Instaclustr metrics library. >>>>>>>> 7. Grafana is also installed automatically. There's a couple sample >>>>>>>> graphs there now. We plan on having better default graphs soon. >>>>>>>> >>>>>>>> For the moment it installs java 8 only but that should be easily >>>>>>>> fixable to use java 11 to test ZGC (it's on my radar). >>>>>>>> >>>>>>>> Documentation for tlp-cluster is here [5]. >>>>>>>> >>>>>>>> There's still some things to work out in the tool, and we've been >>>>>>>> working hard to smooth out the rough edges. I still haven't >>> announced >>>>>>>> anything WRT tlp-cluster on the TLP blog, because I don't think it's >>>>>>>> quite ready for public consumption, but I think the folks on this >>> list >>>>>>>> are smart enough to see the value in it even if it has a few warts >>>>>>>> still. >>>>>>>> >>>>>>>> I don't consider myself familiar enough with the networking patch to >>>>>>>> give it a full review, but I am qualified to build tools to help test >>>>>>>> it and go through the testing process myself. From what I can tell >>>>>>>> the patch is moving the codebase in a positive direction and I'd like >>>>>>>> to help build confidence in it so we can get it merged in. >>>>>>>> >>>>>>>> We'll continue to build out and improve the tooling with the goal of >>>>>>>> making it easier for people to jump into the QA side of things. >>>>>>>> >>>>>>>> Jon >>>>>>>> >>>>>>>> [1] >>> https://lists.apache.org/thread.html/742009c8a77999f4b62062509f087b670275f827d0c1895bf839eece@%3Cdev.cassandra.apache.org%3E >>>>>>>> [2] https://github.com/thelastpickle/tlp-stress >>>>>>>> [3] http://thelastpickle.com/tlp-stress/ >>>>>>>> [4] https://github.com/thelastpickle/tlp-cluster >>>>>>>> [5] http://thelastpickle.com/tlp-cluster/ >>>>>>>> >>>>>>>> --------------------------------------------------------------------- >>>>>>>> To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org >>>>>>>> For additional commands, e-mail: dev-h...@cassandra.apache.org >>>>>>>> >>>>>>> >>>>>>> >>>>>>> --------------------------------------------------------------------- >>>>>>> To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org >>>>>>> For additional commands, e-mail: dev-h...@cassandra.apache.org >>>>>>> >>>>>> >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org >>>>> For additional commands, e-mail: dev-h...@cassandra.apache.org >>>>> >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org >>>> For additional commands, e-mail: dev-h...@cassandra.apache.org >>>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org >>> For additional commands, e-mail: dev-h...@cassandra.apache.org >>> >>> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org > For additional commands, e-mail: dev-h...@cassandra.apache.org >
--------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org For additional commands, e-mail: dev-h...@cassandra.apache.org
