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 ... 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 …
Four ways to optimize your Flink applications Brewing Codes
WebThis object might be modified later by the caller. This actually happens when ReduceDriver.run calls input.next (which will actually be MergeIterator.next(E reuse)) in … WebFeb 27, 2024 · Without object reuse, the optimized version of the DataStream job is now roughly 70% faster than the SQL join using the Blink planner. Further enabling object … css fade color animation
Object reuse – mutating same object – in Flink operators – Java
WebWhat is the purpose of the change This adds the missing parts to make object reuse work in OperatorChain. Brief change log See commit messages. Verifying this change This … 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 ... WebFeb 1, 2024 · 对象重用 (object reuse) 在Flink文档的 Execution Configuration 一节中并不起眼,并且关于它的说明也语焉不详,如下: enableObjectReuse () / disableObjectReuse () By default, objects are not reused in Flink. Enabling the object reuse mode will instruct the runtime to reuse user objects for better performance. css faded border