Hi. I already tried to Apex with docker. I just want to know high level structure.
Thanks, Junguk 2016-06-29 19:08 GMT-04:00 Sandesh Hegde <[email protected]>: > Deployment policies THREAD_LOCAL & CONTAINER_LOCAL are strict, if it > cannot be satisfied application won't be launched. Otherwise, it is a best > effort to satisfy user requirement. > Apex also has anti-affinity feature. > > How are you planning to use Apex? > > On Wed, Jun 29, 2016 at 3:27 PM Junguk Cho <[email protected]> wrote: > >> Hi, Sandesh. >> >> Thank you for reply. >> >> One following question from second one, as far as I know we can give >> hints to deployment policies, but that is just hint and APEX decides the >> deployments. >> Is it right? >> If so, does it check current cluster states and deploy topologies? >> >> Thanks, >> Junguk >> >> >> 2016-06-29 16:55 GMT-04:00 Sandesh Hegde <[email protected]>: >> >>> 1. Not Netty but https://github.com/DataTorrent/Netlet >>> 2. Operators can be deployed in the same container or in different >>> containers and the containers can be in the same machine or in different >>> machines. >>> >>> Within Container: >>> Between the operators, it is either is a queue or function call. >>> (CONTAINER_LOCAL, THREAD_LOCAL) >>> Every container has a BufferServer, to communicate with >>> downstream operators. Communication between BufferServer and >>> operators in that container is local loop back.. >>> >>> Different Containers in the same machine -> Local loop back >>> Different Containers in different machines -> All bets are off. >>> >>> 3. Kryo - by default. Users can use different codec for different >>> streams. >>> (take a look at StreamCodec) >>> >>> On Wed, Jun 29, 2016 at 12:55 PM Junguk Cho <[email protected]> wrote: >>> >>>> Hi, >>>> >>>> I have some questions for Apex architecture. >>>> Does it use netty for transport layer? >>>> In addition, if two operators are in different processes in one >>>> machine, does they use local TCP connection? >>>> >>>> Also does it use kryo serialziation for object between operators? >>>> >>>> >>>> Thanks in advance. >>>> Junguk >>>> >>> >>
