Zakelly commented on code in PR #26415:
URL: https://github.com/apache/flink/pull/26415#discussion_r2033172810
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flink-state-backends/flink-statebackend-forst/src/main/java/org/apache/flink/state/forst/fs/cache/CachedDataInputStream.java:
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@@ -102,15 +102,17 @@ private FSDataInputStream getStream() throws IOException {
if (isFlinkThread()) {
cacheEntry.touch();
}
- FSDataInputStream stream = tryGetCacheStream();
- if (stream != null) {
- fileBasedCache.incHitCounter();
- return stream;
- }
-
- if (streamStatus == StreamStatus.CACHED_CLOSED
- || streamStatus == StreamStatus.CACHED_CLOSING) {
+ // Repeat until get a stream
+ while (true) {
Review Comment:
Typically, no. Only when the status is always OPEN and the cache stream
keeps not available.
I add a limit of 3 rounds here to prevent infinite loop.
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