dongjoon-hyun commented on code in PR #52894:
URL: https://github.com/apache/spark/pull/52894#discussion_r2528191887
##########
sql/connect/server/src/main/scala/org/apache/spark/sql/connect/config/Connect.scala:
##########
@@ -418,4 +419,34 @@ object Connect {
.bytesConf(ByteUnit.BYTE)
// 90% of the max message size by default to allow for some overhead.
.createWithDefault((ConnectCommon.CONNECT_GRPC_MAX_MESSAGE_SIZE *
0.9).toInt)
+
+ private[spark] val CONNECT_MAX_PLAN_SIZE =
+ buildStaticConf("spark.connect.maxPlanSize")
+ .doc(
+ "The maximum size of a (decompressed) proto plan that can be executed
in Spark " +
+ "Connect. If the size of the plan exceeds this limit, an error will
be thrown. " +
+ "The size is in bytes.")
+ .version("4.1.0")
+ .internal()
+ .bytesConf(ByteUnit.BYTE)
+ .createWithDefault(512 * 1024 * 1024) // 512 MB
+
+ val CONNECT_SESSION_PLAN_COMPRESSION_THRESHOLD =
+ buildConf("spark.connect.session.planCompression.threshold")
+ .doc("The threshold in bytes for the size of proto plan to be
compressed. " +
+ "If the size of proto plan is smaller than this threshold, it will not
be compressed.")
+ .version("4.1.0")
+ .internal()
+ .intConf
+ .createWithDefault(10 * 1024 * 1024) // 10 MB
+
+ val CONNECT_PLAN_COMPRESSION_DEFAULT_ALGORITHM =
+ buildConf("spark.connect.session.planCompression.defaultAlgorithm")
+ .doc("The default algorithm of proto plan compression.")
+ .version("4.1.0")
+ .internal()
+ .stringConf
+ .transform(_.toUpperCase(Locale.ROOT))
+ .checkValues(ConnectPlanCompressionAlgorithm.values.map(_.toString))
Review Comment:
Is there a way to unset this feature? It seems that we enforce to use ZSTD
because it's the only one, @xi-db and @hvanhovell ?
```scala
object ConnectPlanCompressionAlgorithm extends Enumeration {
val ZSTD = Value
}
```
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