Hi, Chinmay, Did you forget to attach? I did not see the attachment in your last email. Or is it due to the mail list restriction?
On Thu, Jan 14, 2016 at 10:12 AM, Chinmay Soman <chinmay.cere...@gmail.com> wrote: > Sorry for the long delay (I was trying to find the design doc we made). > Please see attachment for the design doc. I'm also CC'ing Peter Huang (the > intern) who worked on this. > > Disclaimer: Given this was an internship project, we've cut some corners. > We plan to come up with an improved version in some time. > > On Wed, Jan 6, 2016 at 11:31 AM, Yi Pan <nickpa...@gmail.com> wrote: > >> Hi, Chinmay, >> >> That's awesome! Could you share some design doc of this feature? We would >> love to have this feature in LinkedIn as well! >> >> -Yi >> >> On Wed, Jan 6, 2016 at 10:02 AM, Chinmay Soman <chinmay.cere...@gmail.com >> > >> wrote: >> >> > FYI: As part of an Uber internship project, we were working on exactly >> this >> > problem. Our approach was to do a rolling restart of all the containers >> > wherein we start a "replica" container for each primary container and >> let >> > it "catch up" before we do the switch. Of course this doesn't guarantee >> > zero downtime, but it does guarantee minimum time to upgrade each such >> > container. >> > >> > The code is still in POC, but we do plan to finish this and make this >> > available. Let me know if you're interested in trying it out. >> > >> > FYI: the sticky container deployment will also minimize the time to >> upgrade >> > / deploy since majority of the upgrade time is taken up by the >> container in >> > reading all the changelog (if any). Upgrade / re-deploy will also take a >> > long time if the checkpoint topic is not log compacted (which is true in >> > our environment). >> > >> > Thanks, >> > C >> > >> > On Wed, Jan 6, 2016 at 9:56 AM, Bae, Jae Hyeon <metac...@gmail.com> >> wrote: >> > >> > > Hi Samza devs and users >> > > >> > > I know this will be tricky in Samza because Samza Kafka consumer is >> not >> > > coordinated externally, but do you have any idea how to deploy samza >> jobs >> > > with zero downtime? >> > > >> > > Thank you >> > > Best, Jae >> > > >> > >> > >> > >> > -- >> > Thanks and regards >> > >> > Chinmay Soman >> > >> > > > > -- > Thanks and regards > > Chinmay Soman >
