Hi Abdullah, the metadata file contains handles to the operator states of the checkpoint [1]. You might want to have a look into the State Processor API [2].
Best, Matthias [1] https://github.com/apache/flink/blob/adaaed426c2e637b8e5ffa3f0d051326038d30aa/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/metadata/MetadataV2V3SerializerBase.java#L83 [2] https://ci.apache.org/projects/flink/flink-docs-stable/dev/libs/state_processor_api.html On Thu, Apr 22, 2021 at 4:57 PM Abdullah bin Omar < abdullahbinoma...@gmail.com> wrote: > Hi, > > (1) what 's the snapshot metadata file (binary) contains ? is it possible > to read the snapshot metadata file by using Flink Deserialization? > > (2) is there any function that can be used to see the previous states on > time of operation? > > Thank you >
