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https://issues.apache.org/jira/browse/FLINK-7394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16179234#comment-16179234
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ASF GitHub Bot commented on FLINK-7394:
---------------------------------------
Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4499#discussion_r140822508
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
---
@@ -183,18 +214,40 @@ void notifySubpartitionConsumed() {
}
/**
- * Releases all received buffers and closes the partition request
client.
+ * Releases all received and available buffers, closes the partition
request client.
*/
@Override
void releaseAllResources() throws IOException {
if (isReleased.compareAndSet(false, true)) {
+
+ final List<MemorySegment> recyclingSegments = new
ArrayList<>();
+
synchronized (receivedBuffers) {
Buffer buffer;
while ((buffer = receivedBuffers.poll()) !=
null) {
- buffer.recycle();
+ if (buffer.getRecycler() == this) {
+
recyclingSegments.add(buffer.getMemorySegment());
--- End diff --
oh, now I see - but let me elaborate on the `RemoteInputChannel#recycle()`
there
> Manage exclusive buffers in RemoteInputChannel
> ----------------------------------------------
>
> Key: FLINK-7394
> URL: https://issues.apache.org/jira/browse/FLINK-7394
> Project: Flink
> Issue Type: Sub-task
> Components: Core
> Reporter: zhijiang
> Assignee: zhijiang
> Fix For: 1.4.0
>
>
> This is a part of work for credit-based network flow control.
> The basic works are:
> * Exclusive buffers are assigned to {{RemoteInputChannel}} after created by
> {{SingleInputGate}}.
> * {{RemoteInputChannel}} implements {{BufferRecycler}} interface to manage
> the exclusive buffers itself.
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