### SIG Scheduling

- The equivalence class cache has been redesigned to be a two level cache, resulting in a significant increase in scheduling throughput and performance. ([#65714](https://github.com/kubernetes/kubernetes/pull/65714), [@resouer](https://github.com/resouer))

                        } else {
                            responseData.setResponseBody(file, false);
                            if (logger.isDebugEnabled()) {
                                logger.debug("File size exceeds cache threshold, using file reference: file={}, size={}, threshold={}",
                                        file.getAbsolutePath(), file.length(), maxCachedContentSize);
                            }
                        }

func (sys *IAMSys) getStoredLDAPPolicyMappingKeys(ctx context.Context, isGroup bool) set.StringSet {
	entityKeysInStorage := set.NewStringSet()
	cache := sys.store.rlock()
	defer sys.store.runlock()
	cachedPolicyMap := cache.iamSTSPolicyMap
	if isGroup {
		cachedPolicyMap = cache.iamGroupPolicyMap
	}
	cachedPolicyMap.Range(func(k string, v MappedPolicy) bool {
		entityKeysInStorage.Add(k)
		return true
	})

        final long elapsed2 = (System.nanoTime() - start2) / 1000000;
        assertTrue("Second access should delay at least 100ms", elapsed2 >= 90);
    }

    /**
     * Test that cache is thread-safe with concurrent access
     */
    public void test_cacheThreadSafety() {
        final int numTasks = 50;
        final Long waittime = 50L;

        File f2 = getTestFile("src/test/resources/projects/grandchild-check/child/grandchild/pom.xml");

        getProject(f1);

        // it's the building of the grandchild project, having already cached the child project
        // (but not the parent project), which causes the problem.
        getProject(f2);
    }

    @Disabled("Maven 4 does not allow duplicate plugin declarations")
    @Test

	// is too large we are basically just thrashing the CPU D-cache.
	// So if the result length is larger than an empirically-found
	// limit (8KB), we stop growing the source string once the limit
	// is reached and keep reusing the same source string - that
	// should therefore be always resident in the L1 cache - until we
	// have completed the construction of the result.

        // Previously determined to be an unsafe lock acquisition.
        // Create a new PotentialDeadlockException with the same causal chain
        // (the example cycle) as that of the cached exception.
        PotentialDeadlockException exception =
            new PotentialDeadlockException(
                acquiredLock, this, previousDeadlockException.getConflictingStackTrace());

- Fix the bug PIP's DNS is deleted if no DNS label service annotation isn't set. ([#87312](https://github.com/kubernetes/kubernetes/pull/87312), [@nilo19](https://github.com/nilo19)) [SIG Cloud Provider]
- Fix: set nil cache entry based on old cache ([#87591](https://github.com/kubernetes/kubernetes/pull/87591), [@aramase](https://github.com/aramase)) [SIG Cloud Provider]

        additionalPatterns.add("http://test.com/.*");
        additionalPatterns.add("http://sample.org/.*");
        urlFilterService.addIncludeUrlFilter(sessionId, additionalPatterns);

        // Cache should be invalidated and new patterns should be retrieved
        patterns = urlFilterService.getIncludeUrlPatternList(sessionId);
        assertEquals(3, patterns.size());

        urlFilterService.delete(sessionId);

            model.setProperties(initialProps);

            // Get the WrapperProperties instance
            Properties wrapperProps = model.getProperties();

            // First read - should initialize cache
            assertEquals("initial.value", wrapperProps.getProperty("initial.key"));

            // Simulate external change by directly calling setProperties (another WrapperProperties instance)