heyihong commented on code in PR #41829:
URL: https://github.com/apache/spark/pull/41829#discussion_r1250776651


##########
connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/connect/client/SparkConnectClient.scala:
##########
@@ -60,14 +63,40 @@ private[sql] class SparkConnectClient(
     new ArtifactManager(userContext, sessionId, channel)
   }
 
+  private val retryParameters: SparkConnectClient.RetryParameters = 
configuration.retryParameters
+
+  @tailrec private[client] final def retry[T](fn: => T, retries: Int = 0): T = 
{
+    if (retries > retryParameters.max_retries) {
+      throw new IllegalArgumentException(s"retries must not exceed 
retryParameters.max_retries")
+    }
+    Try {
+      fn

Review Comment:
   Similar to [Python 
Client](https://github.com/apache/spark/blob/master/python/pyspark/sql/connect/client/core.py#L541-L545),
 we should implement the logic that determines whether an 
RuntimeStatusException is retryable based the status code?



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