6
0
forked from pool/jersey
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jersey/jersey-2.28-contended.patch

22 lines
1.2 KiB
Diff

--- jersey-2.28/core-common/src/main/java/org/glassfish/jersey/internal/jsr166/SubmissionPublisher.java 2022-03-08 13:13:53.496055135 +0100
+++ jersey-2.28/core-common/src/main/java/org/glassfish/jersey/internal/jsr166/SubmissionPublisher.java 2022-03-08 13:14:13.884176948 +0100
@@ -999,18 +999,8 @@
* waiter field. If the producer and/or consumer are using a
* ForkJoinPool, the producer attempts to help run consumer tasks
* via ForkJoinPool.helpAsyncBlocker before blocking.
- * <p>
- * This class uses @Contended and heuristic field declaration
- * ordering to reduce false-sharing-based memory contention among
- * instances of BufferedSubscription, but it does not currently
- * attempt to avoid memory contention among buffers. This field
- * and element packing can hurt performance especially when each
- * publisher has only one client operating at a high rate.
- * Addressing this may require allocating substantially more space
- * than users expect.
*/
@SuppressWarnings("serial")
- @sun.misc.Contended
private static final class BufferedSubscription<T>
implements Flow.Subscription, ForkJoinPool.ManagedBlocker {
// Order-sensitive field declarations