> On June 27, 2016, 6:53 p.m., Chris Pettitt wrote: > > samza-core/src/main/java/org/apache/samza/standalone/StandaloneJobCoordinator.java, > > line 44 > > <https://reviews.apache.org/r/48356/diff/3/?file=1428182#file1428182line44> > > > > If this is write-once I would move this to the constructor and make it > > final. Otherwise does this need to be volatile? Its hard to tell as it is > > not clear how it is used. It might be worth noting in the class docs that > > this class is not thread safe. > > Navina Ramesh wrote: > Not sure if I can move it to the constructor. It is written by whichever > thread is "registering" as JobModelUpdateHandler. Fyi, we are not using > JobModelUpdateHandler in StandaloneJobCoordinator, even though it may be > assigned. I can actually make "registerJobModelUpdateHandler" a no-op and > totally get rid of this variable. > > Chris Pettitt wrote: > Looks like you made setJobModelUpdateHandler a no-op per your comment > below, so we just remove this.
Yeah. I removed it in the latest diff. > On June 27, 2016, 6:53 p.m., Chris Pettitt wrote: > > samza-core/src/main/java/org/apache/samza/standalone/StandaloneJobCoordinator.java, > > lines 92-94 > > <https://reviews.apache.org/r/48356/diff/3/?file=1428182#file1428182line92> > > > > How is this used? It seems to be write only? > > Navina Ramesh wrote: > Yes. It is write-only. I will make this a no-op! > > Chris Pettitt wrote: > Best would be to remove this method altogether from the interface as it > does not apply to all concrete classes. If it needs to be baked in for some > reason then I would suggest throwing an UnsupportedOperationException. > Otherwise this may cause confusion when you don't get updates. The former > approach is much to be preferred, though. Makes sense. I will go with the latter approach since I think this is definitely something we want to bake into the StreamProcessor. Throwing exception sounds reasonable. - Navina ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/48356/#review139626 ----------------------------------------------------------- On June 28, 2016, 8:20 p.m., Navina Ramesh wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/48356/ > ----------------------------------------------------------- > > (Updated June 28, 2016, 8:20 p.m.) > > > Review request for samza, Chris Pettitt and Yi Pan (Data Infrastructure). > > > Repository: samza > > > Description > ------- > > Added ConfigBuilder and support classes > > Added JobCoordinator interfaces > > > Adding StreamProcessor, StandaloneJobCoordinator and updating SamzaContainer > interface > > > Added TestStreamProcessor and some unit tests for ConfigBuilders > > > Changing who defined processorId > > > Fixed checkstyle errors > > > Replaced SamzaException with ConfigException > > > Removing localityManager instantiation from Samza Container > > > Diffs > ----- > > build.gradle ba4a9d14fe24e1ff170873920cd5eeef656955af > checkstyle/import-control.xml 325c38131047836dc8aedaea4187598ef3ba7666 > > samza-core/src/main/java/org/apache/samza/configbuilder/CheckpointConfig.java > PRE-CREATION > samza-core/src/main/java/org/apache/samza/configbuilder/ConfigBuilder.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/configbuilder/GenericConfigBuilder.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/configbuilder/KafkaCheckpointConfig.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/configbuilder/KafkaSystemConfig.java > PRE-CREATION > samza-core/src/main/java/org/apache/samza/configbuilder/SerdeConfig.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/configbuilder/StandaloneConfigBuilder.java > PRE-CREATION > samza-core/src/main/java/org/apache/samza/configbuilder/SystemConfig.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/container/grouper/stream/AllSspToSingleTaskGrouper.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/container/grouper/stream/AllSspToSingleTaskGrouperFactory.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/container/grouper/task/SingleContainerGrouper.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/container/grouper/task/SingleContainerGrouperFactory.java > PRE-CREATION > samza-core/src/main/java/org/apache/samza/coordinator/JobCoordinator.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/coordinator/JobCoordinatorFactory.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/coordinator/JobModelUpdateHandler.java > PRE-CREATION > samza-core/src/main/java/org/apache/samza/processor/StreamProcessor.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/standalone/StandaloneJobCoordinator.java > PRE-CREATION > > samza-core/src/main/java/org/apache/samza/standalone/StandaloneJobCoordinatorFactory.java > PRE-CREATION > samza-core/src/main/scala/org/apache/samza/config/JobConfig.scala > 49b08f6b68dbb44757dcc8ce8d60c365a9d22981 > samza-core/src/main/scala/org/apache/samza/config/TaskConfig.scala > 08a4debb06f9925ae741049abb2ee0df97b2243b > samza-core/src/main/scala/org/apache/samza/container/RunLoop.scala > cf05c15c836ddfa54ba8fe27abc18ed88ac5fc11 > samza-core/src/main/scala/org/apache/samza/container/SamzaContainer.scala > 18c09224bbae959342daf9b2b7a7d971cc224f48 > samza-core/src/main/scala/org/apache/samza/coordinator/JobCoordinator.scala > d3bd9b7c11afd44ccfb681b660fefffafd216c29 > samza-core/src/main/scala/org/apache/samza/job/local/ThreadJobFactory.scala > 56881d46be9f859999adabbbda20433b208e012e > > samza-core/src/test/java/org/apache/samza/configbuilder/TestStandaloneConfigBuilder.java > PRE-CREATION > samza-test/src/test/java/org/apache/samza/processor/MyStreamTask.java > PRE-CREATION > > samza-test/src/test/java/org/apache/samza/processor/TestStreamProcessor.java > PRE-CREATION > samza-yarn/src/main/java/org/apache/samza/config/YarnConfig.java > 8f2dc4853a2b5dd712f25a2d2d16402bcba89d7a > samza-yarn/src/main/java/org/apache/samza/job/yarn/SamzaTaskManager.java > bc95f31c0dcaaa68d483a6f152b61aba6c543fff > > Diff: https://reviews.apache.org/r/48356/diff/ > > > Testing > ------- > > ./gradlew clean build > > Local integration test: > ./bin/grid start zookeeper > ./bin/grid start kafka > Then, run TestStreamProcessor.java > > > Thanks, > > Navina Ramesh > >
