Ken Krugler created FLINK-9300:
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Summary: Improve error message when in-memory state is too large
Key: FLINK-9300
URL: https://issues.apache.org/jira/browse/FLINK-9300
Project: Flink
Issue Type: Improvement
Affects Versions: 1.4.2
Reporter: Ken Krugler
Currently in the {{MemCheckpointStreamFactory.checkSize()}} method, it can
throw an {{IOException}} via:
{code:java}
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.");{code}
But this will happen even if you’re using the File System State backend.
This came up here:
[https://stackoverflow.com/questions/50149005/ioexception-size-of-the-state-is-larger-than-the-maximum-permitted-memory-backe]
We could change the message to be:
{quote}Please consider increasing the maximum permitted memory size, increasing
the task manager parallelism, or using a non-memory-based state backend such as
RocksDB.
{quote}
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