chaoqin-li1123 commented on code in PR #41099:
URL: https://github.com/apache/spark/pull/41099#discussion_r1199194346
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBFileManager.scala:
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@@ -134,6 +137,27 @@ class RocksDBFileManager(
private val onlyZipFiles = new PathFilter {
override def accept(path: Path): Boolean = path.toString.endsWith(".zip")
}
+ private val onlyDeltaFiles = new PathFilter {
+ override def accept(path: Path): Boolean =
path.toString.endsWith(".changelog")
+ }
+
+ private lazy val sparkConf = Option(SparkEnv.get).map(_.conf).getOrElse(new
SparkConf)
+
+ private def codec = CompressionCodec.createCodec(sparkConf, codecName)
Review Comment:
I don't know whether compression codec is stateless, it is created on demand
every time in HDFS state store provider.
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