akalash commented on code in PR #22447: URL: https://github.com/apache/flink/pull/22447#discussion_r1185009999
########## flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPool.java: ########## @@ -460,17 +454,25 @@ private boolean requestMemorySegmentFromGlobal() { private MemorySegment requestOverdraftMemorySegmentFromGlobal() { assert Thread.holdsLock(availableMemorySegments); - if (numberOfRequestedOverdraftMemorySegments >= maxOverdraftBuffersPerGate) { + // if overdraft buffers(i.e. buffers exceeding poolSize) is greater than or equal to + // maxOverdraftBuffersPerGate, no new buffer can be requested. + if (numberOfRequestedMemorySegments - currentPoolSize >= maxOverdraftBuffersPerGate) { return null; } checkState( !isDestroyed, "Destroyed buffer pools should never acquire segments - this will lead to buffer leaks."); Review Comment: I think you can move `checkState` to your newly created method `requestPooledMemorySegment` as well -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org