nija-at commented on code in PR #41829:
URL: https://github.com/apache/spark/pull/41829#discussion_r1250959678
##########
connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/connect/client/SparkConnectClient.scala:
##########
@@ -564,4 +607,33 @@ object SparkConnectClient {
}
}
}
+
+ private[client] def retryException(e: Throwable): Boolean = {
+ if (e.isInstanceOf[StatusRuntimeException]) {
+ e.asInstanceOf[StatusRuntimeException].getStatus().getCode() ==
Status.Code.UNAVAILABLE
+ } else {
+ false
+ }
+ }
+
+ /**
+ * [[RetryParameters]] configure the retry mechanism in
[[SparkConnectClient]]
+ *
+ * @param max_retries
+ * Maximum number of retries.
+ * @param initial_backoff
+ * Start value of the exponential backoff (ms).
+ * @param max_backoff
+ * Maximal value of the exponential backoff (ms).
+ * @param backoff_multiplier
+ * Multiplicative base of the exponential backoff.
+ * @param can_retry
+ * Function that determines whether a retry is to be performed in the
event of an error.
+ */
+ private[client] case class RetryParameters(
+ max_retries: Int = 15,
+ initial_backoff: Int = 50,
+ max_backoff: Int = 60000,
+ backoff_multiplier: Double = 4.0,
+ can_retry: Throwable => Boolean = retryException) {}
Review Comment:
minor naming: "should_retry" sounds better.
##########
connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/connect/client/SparkConnectClient.scala:
##########
@@ -564,4 +607,33 @@ object SparkConnectClient {
}
}
}
+
+ private[client] def retryException(e: Throwable): Boolean = {
+ if (e.isInstanceOf[StatusRuntimeException]) {
+ e.asInstanceOf[StatusRuntimeException].getStatus().getCode() ==
Status.Code.UNAVAILABLE
+ } else {
+ false
+ }
+ }
+
+ /**
+ * [[RetryParameters]] configure the retry mechanism in
[[SparkConnectClient]]
+ *
+ * @param max_retries
+ * Maximum number of retries.
+ * @param initial_backoff
+ * Start value of the exponential backoff (ms).
+ * @param max_backoff
+ * Maximal value of the exponential backoff (ms).
+ * @param backoff_multiplier
+ * Multiplicative base of the exponential backoff.
+ * @param can_retry
+ * Function that determines whether a retry is to be performed in the
event of an error.
+ */
+ private[client] case class RetryParameters(
+ max_retries: Int = 15,
+ initial_backoff: Int = 50,
+ max_backoff: Int = 60000,
Review Comment:
Consider switching to FiniteDuration.
https://docs.oracle.com/javase/8/docs/api/java/time/Duration.html](https://www.scala-lang.org/api/2.12.13/scala/concurrent/duration/FiniteDuration.html
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