apiVersion: release-notes/v2
kind: feature
area: traffic-management
issue:
- 26732
releaseNotes:
- |

beforeSettings {
    caches {
        cleanup = Cleanup.DISABLED
    }

    for (LoadingCache<Object, Object> cache : caches()) {
      // don't let the entries get GCed
      List<Entry<Object, Object>> warmed = warmUp(cache);
      assertEquals(WARMUP_SIZE, cache.size());
      assertMapSize(cache.asMap(), WARMUP_SIZE);
      checkValidState(cache);
    }
  }

  public void testContainsKey_found() {
    for (LoadingCache<Object, Object> cache : caches()) {
      // don't let the entries get GCed

    assertThat(removalListener.getCount()).isEqualTo(1);

    // 2 will be cached
    assertThat(cache.getUnchecked(2)).isEqualTo(2);
    assertThat(cache.asMap().keySet()).containsExactly(2);

    CacheTesting.processPendingNotifications(cache);
    CacheTesting.checkValidState(cache);
    assertThat(removalListener.getCount()).isEqualTo(1);

    // 4 will be cached

    assertThat(removalListener.getCount()).isEqualTo(1);

    // 2 will be cached
    assertThat(cache.getUnchecked(2)).isEqualTo(2);
    assertThat(cache.asMap().keySet()).containsExactly(2);

    CacheTesting.processPendingNotifications(cache);
    CacheTesting.checkValidState(cache);
    assertThat(removalListener.getCount()).isEqualTo(1);

    // 4 will be cached

    def crossProcessCacheAccess = Mock(CrossProcessCacheAccess)

    def "caches result from backing cache and reuses for other instances with the same cache id"() {
        given:
        def cache = cacheFactory.decorator(100, true).decorate("path/fileSnapshots.bin", "fileSnapshots", target, crossProcessCacheAccess, asyncCacheAccess)

        when:
        def result = cache.getIfPresent("key")

        then:
        result == "result"

from-cache-origin.png...

apiVersion: release-notes/v2
kind: bug-fix
area: traffic-management
issue:
- https://github.com/istio/istio/issues/36525
releaseNotes:
- |

apiVersion: release-notes/v2
kind: feature
area: traffic-management

releaseNotes:
- |
  **Enabled** the configuration to use endpoint cache at Envoy when there is a delay

  }

  companion object {
    /**
     * Cache control request directives that require network validation of responses. Note that such
     * requests may be assisted by the cache via conditional GET requests.
     */
    @JvmField
    val FORCE_NETWORK = commonForceNetwork()

    /**
     * Cache control request directives that uses the cache only, even if the cached response is