What is it you're trying to achieve in general? The JavaDoc of MetadataV2V3SerializerBase provides a description on the format of the file. Theoretically, you could come up with custom code using the Flink sources to parse the content of the file. But maybe, there's another way to accomplish what you're trying to do.
Matthias [1] https://github.com/apache/flink/blob/adaaed426c2e637b8e5ffa3f0d051326038d30aa/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/metadata/MetadataV2V3SerializerBase.java#L83 On Thu, Apr 22, 2021 at 7:53 PM Abdullah bin Omar < abdullahbinoma...@gmail.com> wrote: > Hi, > > I have a savepoint or checkpointed file from my task. However, the file is > binary. I want to see what the file contains. > > How is it possible to see what information the file has (or how it is > possible to make it human readable?) > > Thank you > > On Thu, Apr 22, 2021 at 10:19 AM Matthias Pohl <matth...@ververica.com> > wrote: > >> 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 >>> >>
