[SPARK-47847][CORE] Deprecate `spark.network.remoteReadNioBufferConversion`
### What changes were proposed in this pull request?
`spark.network.remoteReadNioBufferConversion` was introduced in https://github.com/apache/spark/commit/2c82745686f4456c4d5c84040a431dcb5b6cb60b, to allow disable [SPARK-24307](https://issues.apache.org/jira/browse/SPARK-24307) for safety, while during the whole Spark 3 period, there are no negative reports, it proves that [SPARK-24307](https://issues.apache.org/jira/browse/SPARK-24307) is solid enough, I propose to mark it deprecated in 3.5.2 and remove in 4.1.0 or later
### Why are the changes needed?
Code clean up
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Pass GA.
### Was this patch authored or co-authored using generative AI tooling?
No
Closes #46047 from pan3793/SPARK-47847.
Authored-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
diff --git a/core/src/main/scala/org/apache/spark/SparkConf.scala b/core/src/main/scala/org/apache/spark/SparkConf.scala
index fa7911c..9595545 100644
--- a/core/src/main/scala/org/apache/spark/SparkConf.scala
+++ b/core/src/main/scala/org/apache/spark/SparkConf.scala
@@ -645,7 +645,9 @@
DeprecatedConfig("spark.blacklist.killBlacklistedExecutors", "3.1.0",
"Please use spark.excludeOnFailure.killExcludedExecutors"),
DeprecatedConfig("spark.yarn.blacklist.executor.launch.blacklisting.enabled", "3.1.0",
- "Please use spark.yarn.executor.launch.excludeOnFailure.enabled")
+ "Please use spark.yarn.executor.launch.excludeOnFailure.enabled"),
+ DeprecatedConfig("spark.network.remoteReadNioBufferConversion", "3.5.2",
+ "Please open a JIRA ticket to report it if you need to use this configuration.")
)
Map(configs.map { cfg => (cfg.key -> cfg) } : _*)
