zsxwing commented on a change in pull request #33749:
URL: https://github.com/apache/spark/pull/33749#discussion_r690838608
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1586,6 +1586,21 @@ object SQLConf {
.stringConf
.createWithDefault("lz4")
+ /**
+ * Note: this is defined in `RocksDBConf.FORMAT_VERSION`. These two places
should be updated
+ * together.
+ */
+ val STATE_STORE_ROCKSDB_FORMAT_VERSION =
+ buildConf("spark.sql.streaming.stateStore.rocksdb.formatVersion")
+ .internal()
+ .doc("Set the RocksDB format version. This will be stored in the
checkpoint when starting " +
+ "a streaming query. If this configuration is not set, we will use the
value in the " +
Review comment:
We would like to write `5` to the checkpoint when the config is not set.
That's why we need a default value.
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