dongjoon-hyun commented on code in PR #37260:
URL: https://github.com/apache/spark/pull/37260#discussion_r928161061
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/RocksDBLoader.scala:
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@@ -48,7 +48,16 @@ object RocksDBLoader extends Logging {
def loadLibrary(): Unit = synchronized {
if (exception == null) {
- loadLibraryThread.start()
+ // SPARK-39847: if a task thread is interrupted while blocking in this
loadLibrary()
+ // call then a second task thread might start a loadLibrary() call while
the first
Review Comment:
I'm curious why the second task thread is not blocked by `synchronized` at
line 48, @JoshRosen ?
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