Hi Jacob,

Could you specify which StateBackend you are using?

The reason I am asking is that, from the documentation in [1]:

"Note that if you use the MemoryStateBackend, metadata and savepoint
state will be stored in the _metadata file. Since it is
self-contained, you may move the file and restore from any location."

I am also cc'ing Gordon who may know a bit more about state formats.

I hope this helps,
Kostas

[1] 
https://ci.apache.org/projects/flink/flink-docs-release-1.6/ops/state/savepoints.html

On Wed, Mar 4, 2020 at 1:25 AM Jacob Sevart <jsev...@uber.com> wrote:
>
> Per the documentation:
>
> "The meta data file of a Savepoint contains (primarily) pointers to all files 
> on stable storage that are part of the Savepoint, in form of absolute paths."
>
> I somehow have a _metadata file that's 1.9GB. Running strings on it I find 
> 962 strings, most of which look like HDFS paths, which leaves a lot of that 
> file-size unexplained. What else is in there, and how exactly could this be 
> happening?
>
> We're running 1.6.
>
> Jacob

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