pnowojski commented on a change in pull request #6809: [FLINK-10491][network]
Pass BufferPoolOwner in the constructor of LocalBufferPool
URL: https://github.com/apache/flink/pull/6809#discussion_r224000476
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPool.java
##########
@@ -349,11 +346,13 @@ public void setNumBuffers(int numBuffers) throws
IOException {
returnExcessMemorySegments();
- // If there is a registered owner and we have still
requested more buffers than our
- // size, trigger a recycle via the owner.
- if (owner != null && numberOfRequestedMemorySegments >
currentPoolSize) {
-
owner.releaseMemory(numberOfRequestedMemorySegments - currentPoolSize);
- }
+ numReleased = numberOfRequestedMemorySegments -
currentPoolSize;
+ }
+
+ // If there is a registered owner and we have still requested
more buffers than our
+ // size, trigger a recycle via the owner.
+ if (owner != null && numReleased > 0) {
+ owner.releaseMemory(numReleased);
Review comment:
@NicoK I do not have anything particular in mind, just that this change
introduces more concurrency/potential races.
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