rkhachatryan commented on code in PR #21679:
URL: https://github.com/apache/flink/pull/21679#discussion_r1101557635
##########
flink-dstl/flink-dstl-dfs/src/main/java/org/apache/flink/changelog/fs/ChangelogStreamHandleReaderWithCache.java:
##########
@@ -161,23 +161,28 @@ private FileInputStream openAndSeek(RefCountedFile
refCountedFile, long offset)
private DataInputStream wrapStream(Path dfsPath, FileInputStream fin) {
return new DataInputStream(new BufferedInputStream(fin)) {
+ private boolean closed = false;
+
@Override
public void close() throws IOException {
- try {
- super.close();
- } finally {
- cache.computeIfPresent(
- dfsPath,
- (key, value) -> {
- value.release();
- if (value.getReferenceCounter() ==
NO_USING_REF_COUNT) {
- cacheCleanScheduler.schedule(
- () -> cleanCacheFile(dfsPath),
- cacheIdleMillis,
- TimeUnit.MILLISECONDS);
- }
- return value;
- });
+ if (!closed) {
+ closed = true;
Review Comment:
Yes, you're right, thanks for the correction
(I've also checked whether it can be closed by a non-task thread (e.g.
watchdog), but that's not the case).
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