WebMar 12, 2024 · Answer. For the pipeline you have described, yes, object reuse can be safely enabled. Object reuse only applies to situations where data is forwarded between operator instances within the same task — so in your case, between the source and flatmap. The keyBy forces ser/de and a network shuffle, so object reuse cannot be used … WebEnables reusing objects that Flink internally uses for deserialization and passing data to user-code functions. Keep in mind that this can lead to bugs when the user-code function of an operation is not aware of this behaviour. ... Returns whether object reuse has been enabled or disabled. @see #enableObjectReuse() getGlobalJobParameters public ...
ververica/lab-flink-latency - Github
WebThis actually happens when ReduceDriver.run calls input.next (which will actually be MergeIterator.next(E reuse)) in the inner while loop of the objectReuseEnabled branch, and that calls top.nextHead with the reference that it got from ReduceDriver, which erroneously saves the reference, and then ReduceDriver later uses that same object for ... WebJun 20, 2024 · Object reuse – mutating same object – in Flink operators apache-flink flink-streaming java Deniz asked 20 Jun, 2024 I was reading the doc here, which gives a … how many songs does gorillaz have
FLIP-42: Rework Flink Documentation - Apache Flink - Apache …
WebOct 17, 2024 · Flink is a complicated framework and provides many ways to tweak its execution. In this article, I’ll show four different ways to improve the performance of your Flink applications. If you are not familiar with Flink, you can read other introductory articles like this, this, and this one. But if you are already familiar with Apache Flink this ... WebFLINK-23077 Running nexmark q5 with 1.13.1 of pipeline.object-reuse=true, the taskmanager will be killed and produce failover. Export Details Type: Bug Status: Closed Priority: Major Resolution: Invalid Affects Version/s: 1.13.0, 1.13.1 Fix Version/s: None Component/s: Table SQL / Runtime Labels: None Description WebJul 23, 2024 · Additionally, depending on the catalog implementation, you can create new objects such as tables or views from Flink, reuse them across different jobs, and … how many songs does green day have