Izeren commented on code in PR #27617:
URL: https://github.com/apache/flink/pull/27617#discussion_r2812382561
##########
flink-core/src/main/java/org/apache/flink/core/fs/FileSystem.java:
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@@ -297,6 +299,21 @@ private static void initializeWithoutPlugins(Configuration
config)
initialize(config, null);
}
+ /**
+ * Returns a list of initialized {@link FileSystemFactory FS factories}.
+ *
+ * @return a snapshot of the currently registered file system factories
+ */
+ @Internal
+ public static List<FileSystemFactory> getInitializedFileSystems() {
+ LOCK.lock();
Review Comment:
Could you please elaborate? This method provides generic access to the
FS_FACTORIES values and is meant to be potentially used be external threads. If
we don't use lock, what would guarantee that this call wouldn't be "optimized"
by VM to return values that were at initialization (e.g. empty list)?
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