gaborgsomogyi commented on a change in pull request #26502: [SPARK-29876][SS]
Delete/archive file source completed files in separate thread
URL: https://github.com/apache/spark/pull/26502#discussion_r347329761
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/FileStreamSource.scala
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@@ -342,7 +344,14 @@ object FileStreamSource {
def size: Int = map.size()
}
- private[sql] trait FileStreamSourceCleaner {
+ private[sql] abstract class FileStreamSourceCleaner {
+ protected val cleanThreadPool = ThreadUtils.newDaemonCachedThreadPool(
+ "file-source-cleaner-threadpool",
+ SQLConf.get.getConf(SQLConf.FILE_SOURCE_CLEANER_NUM_THREADS)
+ )
+
+ def stop(): Unit = cleanThreadPool.shutdown()
Review comment:
Read it through, you're right.
Have you seen my comment
[here](https://github.com/apache/spark/pull/26502#discussion_r346913035)? If
that's true we already loose files without debug logs. If it's true, how that
loss is different that this?
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