region.close();
            totalReleased.incrementAndGet();
        }

        while ((region = availableReceiveRegions.poll()) != null) {
            region.close();
            totalReleased.incrementAndGet();
        }

        log.info("RDMA buffer manager cleanup complete. Total allocated: {}, released: {}", totalAllocated.get(), totalReleased.get());
    }

    /**

        resource.close();
        resourceManager.markClosed(resourceId);

        Map<String, Object> stats = resourceManager.getStatistics();
        assertTrue((long) stats.get("totalReleased") > 0);
    }

    @Test
    @DisplayName("Test managed resource wrapper")
    void testManagedResource() throws Exception {
        TestResource resource = new TestResource("test3");