[jira] [Created] (FLINK-23840) Confusing message from MemCheckpointStreamFactory#checkSize

["David Anderson (Jira)" <ji...@apache.org>]

David Anderson created FLINK-23840:
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             Summary: Confusing message from MemCheckpointStreamFactory#checkSize
                 Key: FLINK-23840
                 URL: https://issues.apache.org/jira/browse/FLINK-23840
             Project: Flink
          Issue Type: Technical Debt
          Components: Runtime / State Backends
    Affects Versions: 1.13.2
            Reporter: David Anderson
             Fix For: 1.14.0


After the refactoring of the state backends and checkpoint storage done in 1.13, some folks who were using either the filesystem state backend or the rocksdb state backend find themselves accidentally using 
JobManagerCheckpointStorage (because it is the default), and then are very confused by this error message:
 
{{throw new IOException(}}
{{ "Size of the state is larger than the maximum permitted memory-backed state. Size="}}
{{ + size}}
{{ + " , maxSize="}}
{{ + maxSize}}
{{ + " . Consider using a different state backend, like the File System State backend.");}}

This should instead say something like
{quote}Consider using FileSystemCheckpointStorage instead.
{quote}



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