dongjoon-hyun commented on a change in pull request #30162:
URL: https://github.com/apache/spark/pull/30162#discussion_r513168650
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1324,6 +1324,16 @@ object SQLConf {
.intConf
.createWithDefault(2)
+ val STATE_STORE_COMPRESSION_CODEC =
+ buildConf("spark.sql.streaming.stateStore.compression.codec")
+ .internal()
+ .doc("The codec used to compress delta and snapshot files generated by
StateStore. " +
+ "By default, Spark provides four codecs: lz4, lzf, snappy, and zstd.
You can also " +
+ "use fully qualified class names to specify the codec. Default codec
is lz4.")
+ .version("3.1.0")
+ .stringConf
+ .createWithDefault("lz4")
Review comment:
This doesn't change the default value. I believe we can add the
benchmark result as a follow-up.
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