Use Json instead of Parquet as tables format #2
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When using json instead of parquet, we solved this warnning MemoryManager: Total allocation exceeds 95.00% (940,860,992 bytes) of heap memory
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When using json instead of parquet, we solved this warnning
MemoryManager: Total allocation exceeds 95.00% (940,860,992 bytes) of heap memory
I don't know why this warning doesn't appear any more, but I think Json is better because it's readable and the counters data is small.