isburmistrov commented on code in PR #24079:
URL: https://github.com/apache/flink/pull/24079#discussion_r1450737039
##########
flink-runtime/src/main/java/org/apache/flink/runtime/state/CompressibleFSDataOutputStream.java:
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@@ -41,6 +41,10 @@ public CompressibleFSDataOutputStream(
@Override
public long getPos() throws IOException {
+ // Underlying compression involves buffering, so the only way to
report correct position is
+ // to flush the underlying stream. This lowers the effectivity of
compression, but there is
+ // no other way, since the position is often used as a split point.
+ flush();
Review Comment:
Great, thanks for additional testing!
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