Did you find answer for this? I am facing the same issue. When I applied compression on external table with text format I could see the change in compression ratio, but when I applied the same on AVRO by setting the following attributes in hive-site.xml and creating table with "avro.compress=snappy" as TBLPROPERTIES, compression ratio is same. I am not sure if compression is applied on this table. Is there any way to validate if it is compressed or not? "hive.exec.compress.output" : "true"
"hive.exec.compress.intermediate" : "true"
"avro.output.codec": "snappy"
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