The Flink runner is definitely more stable, as it's been around for longer and has more developers and users on it. But a lot of the code is shared, so for example some of the issues above would also happen on the Flink runner.
Kyle Weaver | Software Engineer | github.com/ibzib | [email protected] On Tue, Sep 17, 2019 at 4:34 PM Benjamin Tan <[email protected]> wrote: > Thanks for all the replies Kyle! You've been super helpful :D. > > Would you say that the Flink runner more stable than the Spark one? Or > which combo is the most stable for now? > > On 2019/09/17 19:43:54, Tom Barber <[email protected]> wrote: > > Thanks Kyle, > > > > From my pov Alpha is fine, I’m just trying to test out some of the > > capabilities currently, but trying to dig around the website doesn’t > > explain a great deal. Luckily Benjamin seems a step ahead of me… I hope > it > > stays that way! ;) > > > > > > On 17 September 2019 at 19:33:40, Kyle Weaver ([email protected]) > wrote: > > > > > The amount of issues I've encountered as a newbie is indeed troubling. > > Spark portability is very much "alpha" quality software, a point we > should > > maybe emphasize on the website more. Anyway, I appreciate your patience, > > and I'll do my best to address all these issues. > > > > > org.apache.beam.vendor.grpc.v1p21p0.io.grpc.StatusRuntimeException: > > UNIMPLEMENTED: Method not found! > > > AttributeError: module 'apache_beam.coders.coders' has no > > attribute ‘VarIntCoder' > > This class of errors occurs when the SDK version does not match up with > the > > runner version -- unfortunately, we cannot guarantee compatibility > between > > the two, so manual syncing is required for now. We are looking for ways > to > > improve this. > > > > > ERROR:grpc._server:Exception calling application: u'2-1' > > It looks like these errors are entirely spurious. Have a fix for it here: > > https://github.com/apache/beam/pull/9600 > > > > Note that there may still be other spurious errors like: > > > > 19/09/17 11:25:31 ERROR ManagedChannelOrphanWrapper: *~*~*~ Channel > > ManagedChannelImpl{logId=84, target=localhost:36129} was not shutdown > > properly!!! ~*~*~* > > > > and > > > > 19/09/17 11:25:32 ERROR SerializingExecutor: Exception while executing > > runnable > > > org.apache.beam.vendor.grpc.v1p21p0.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@47db89b1 > > java.lang.IllegalStateException: call already closed > > > > I will try to get rid of them also, but for now you can just ignore them. > > They are annoying but harmless. > > > > Kyle Weaver | Software Engineer | github.com/ibzib | [email protected] > > > > > > On Tue, Sep 17, 2019 at 8:05 AM Benjamin Tan < > [email protected]> > > wrote: > > > > > :D. Still, I'm curious as to the error we both are getting. Maybe > someone > > > can shed some light on it. > > > > > > On Tue, Sep 17, 2019 at 10:54 PM Tom Barber <[email protected]> wrote: > > > > > >> I do see hello written to 1 file and world to another, I guess it > works! > > >> Thanks for the pointers Benjamin I was about to give up. > > >> > > >> Tom > > >> > > >> > > >> On 17 September 2019 at 15:51:13, Benjamin Tan ( > > >> [email protected]) wrote: > > >> > > >> Tell me if you see any output. Anyway, here's the link to the same > issue > > >> you're facing: > > >> > > >> > > >> > https://lists.apache.org/thread.html/4e8e1455916debe096de32551f9ab05853524cf282bc312cd4620d68@%3Cuser.beam.apache.org%3E > > >> > > >> The amount of issues I've encountered as a newbie is indeed troubling. > > >> > > >> On 2019/09/17 14:43:11, Tom Barber <[email protected]> wrote: > > >> > 🤣 okay I’ll look again, I assumed it just crashed in a ball of > flames! > > >> > > > >> > > > >> > On 17 September 2019 at 15:39:33, Benjamin Tan ( > > >> [email protected]) > > >> > wrote: > > >> > > > >> > I got this too! Did you manage to get any output? (I did) I reported > > >> this > > >> > in another thread. > > >> > > > >> > This looks like a key error when StopWorker is called. As far as I > > >> know, it > > >> > seems like the work has been processed. > > >> > > > >> > On Tue, Sep 17, 2019 at 10:31 PM Tom Barber <[email protected]> > wrote: > > >> > > > >> > > Well my errors are different but still terminal: > > >> > > > > >> > > ERROR:grpc._server:Exception calling application: u'1-1' > > >> > > Traceback (most recent call last): > > >> > > File "/usr/local/lib/python2.7/dist-packages/grpc/_server.py", > line > > >> 434, > > >> > > in _call_behavior > > >> > > response_or_iterator = behavior(argument, context) > > >> > > File > > >> > > > > >> > "/usr/local/lib/python2.7/dist-packages/apache_beam-2.17.0.dev0-py2.7.egg/apache_beam/runners/worker/worker_pool_main.py", > > >> > > line 126, in StopWorker > > >> > > worker_process = > > >> > > self._worker_processes.pop(stop_worker_request.worker_id) > > >> > > KeyError: u'1-1' > > >> > > ERROR:grpc._server:Exception calling application: u'2-1' > > >> > > Traceback (most recent call last): > > >> > > File "/usr/local/lib/python2.7/dist-packages/grpc/_server.py", > line > > >> 434, > > >> > > in _call_behavior > > >> > > response_or_iterator = behavior(argument, context) > > >> > > File > > >> > > > > >> > "/usr/local/lib/python2.7/dist-packages/apache_beam-2.17.0.dev0-py2.7.egg/apache_beam/runners/worker/worker_pool_main.py", > > >> > > line 126, in StopWorker > > >> > > worker_process = > > >> > > self._worker_processes.pop(stop_worker_request.worker_id) > > >> > > KeyError: u'2-1' > > >> > > > > >> > > > > >> > > On 17 September 2019 at 14:46:12, Benjamin Tan ( > > >> > > [email protected]) wrote: > > >> > > > > >> > > If it helps, I’m using Spark 2.4.4. The Apache Beam Python > library on > > >> > > master is 2.17.0-dev. > > >> > > > > >> > > > > >> > > On 17 Sep 2019, at 9:39 PM, Tom Barber <[email protected]> wrote: > > >> > > > > >> > > Cool thanks Benjamin, I’ll give it a shot. > > >> > > > > >> > > Tom > > >> > > > > >> > > > > >> > > On 17 September 2019 at 13:56:14, Benjamin Tan ( > > >> > > [email protected]) wrote: > > >> > > > > >> > > > > >> > > I encountered the exact same thing today. High five! Here’s how I > > >> managed > > >> > > to make some progress: > > >> > > > > >> > > 1. Used the master branch > > >> > > 2. Built and installed the Python SDK > > >> > > > > >> > > cd into the sdk library and python ./setup install > > >> > > > > >> > > I got some other errors but they didn’t seem to be show stoppers. > > >> > > > > >> > > On 17 Sep 2019, at 8:26 PM, Tom Barber <[email protected]> wrote: > > >> > > > > >> > > Hello folks, > > >> > > > > >> > > Day 3 of trying to get the basics going with Python & Spark 2.2.3. > > >> > > > > >> > > I’ve downgraded the spark version to 2.2.3 in the cradle build so > > >> that I > > >> > > can run jobs against it. > > >> > > > > >> > > I’ve then written this: > > >> > > > > >> > > options = PipelineOptions(["--runner=PortableRunner", > > >> > > "--job_endpoint=localhost:8099", "--environment_type=LOOPBACK"]) > > >> > > > > >> > > with beam.Pipeline(options=options) as p: > > >> > > print("hello") > > >> > > lines = p | 'Create' >> beam.Create(['hello', 'world']) > > >> > > > > >> > > Which in turn explodes with: > > >> > > > > >> > > Caused by: > > >> > > > org.apache.beam.vendor.grpc.v1p21p0.io.grpc.StatusRuntimeException: > > >> > > UNIMPLEMENTED: Method not found! > > >> > > at > > >> > > > > >> > org.apache.beam.vendor.grpc.v1p21p0.io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:235) > > >> > > at > > >> > > > > >> > org.apache.beam.vendor.grpc.v1p21p0.io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:216) > > >> > > at > > >> > > > > >> > org.apache.beam.vendor.grpc.v1p21p0.io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:141) > > >> > > at > > >> > > > > >> > org.apache.beam.model.fnexecution.v1.BeamFnExternalWorkerPoolGrpc$BeamFnExternalWorkerPoolBlockingStub.startWorker(BeamFnExternalWorkerPoolGrpc.java:226) > > >> > > > > >> > > When run against python 2 and > > >> > > > > >> > > AttributeError: module 'apache_beam.coders.coders' has no > > >> > > attribute ‘VarIntCoder' > > >> > > > > >> > > When run with python 3.5. > > >> > > > > >> > > Should I just give up trying the portable runner at the moment or > am I > > >> > > doing something dumb/incompatible? I’m stuck on Spark 2.2.3 so > > >> upgrading > > >> > > isn’t currently an option. > > >> > > > > >> > > Tom > > >> > > > > >> > > Spicule Limited is registered in England & Wales. Company Number: > > >> > > 09954122. Registered office: First Floor, Telecom House, 125-135 > > >> Preston > > >> > > Road, Brighton, England, BN1 6AF. 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VAT No. 251478891. > > >> > > >> > > >> All engagements are subject to Spicule Terms and Conditions of > Business. > > >> This email and its contents are intended solely for the individual to > whom > > >> it is addressed and may contain information that is confidential, > > >> privileged or otherwise protected from disclosure, distributing or > copying. > > >> Any views or opinions presented in this email are solely those of the > > >> author and do not necessarily represent those of Spicule Limited. The > > >> company accepts no liability for any damage caused by any virus > transmitted > > >> by this email. If you have received this message in error, please > notify us > > >> immediately by reply email before deleting it from your system. > Service of > > >> legal notice cannot be effected on Spicule Limited by email. > > >> > > > > > > > -- > > > > > > Spicule Limited is registered in England & Wales. Company Number: > > 09954122. 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