turboFei commented on a change in pull request #25797: [SPARK-29043][Core]
Improve the concurrent performance of History Server
URL: https://github.com/apache/spark/pull/25797#discussion_r324502898
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File path:
core/src/main/scala/org/apache/spark/deploy/history/FsHistoryProvider.scala
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@@ -155,6 +161,16 @@ private[history] class FsHistoryProvider(conf: SparkConf,
clock: Clock)
Utils.deleteRecursively(dbPath)
open(dbPath, metadata)
}
+ }
+
+ // Visible for testing.
+ private[history] val listing: KVStore = storePath.map { path =>
+ getKVStore(path, "listing", CURRENT_LISTING_VERSION)
+ }.getOrElse(new InMemoryStore())
+
+ private[history] val processing: KVStore = storePath.map { path =>
Review comment:
Thanks for your suggestion very much.
I have take replace KVStore with ConcurrentSkipListSet.
Thanks.
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