Examples with CacheStatistics org.apache.geode.cache.CacheStatistics used on opensource projects

Example 1 with CacheStatistics

use of org.apache.geode.cache.CacheStatistics in project geode by apache.

the class RegionTestCase method testCreateSubregions.

/**
   * Tests creating subregions. Note that this tests accesses the Region's
   * {@link Region#getStatistics statistics}, so the region must have been created with statistics
   * enabled.
   */
@Test
public void testCreateSubregions() throws CacheException {
    if (!supportsSubregions()) {
        return;
    }
    String name = this.getUniqueName();
    RegionAttributes attrs = getRegionAttributes();
    AttributesFactory factory = new AttributesFactory(attrs);
    factory.setStatisticsEnabled(true);
    attrs = factory.create();
    Region region = createRegion(name, attrs);
    // Object key = name;
    attrs = region.getAttributes();
    CacheStatistics stats = region.getStatistics();
    long lastAccessed = stats.getLastAccessedTime();
    long lastModified = stats.getLastModifiedTime();
    try {
        region.createSubregion(name + "/BAD", attrs);
        fail("Should have thrown an IllegalArgumentException");
    } catch (IllegalArgumentException ex) {
        CacheStatistics stats2 = region.getStatistics();
        assertEquals(lastAccessed, stats2.getLastAccessedTime());
        assertEquals(lastModified, stats2.getLastModifiedTime());
    }
    Region subregion = region.createSubregion(name, attrs);
    assertTrue(attrs != subregion.getAttributes());
    /*
     * @todo compare each individual attribute for equality? assertIndexDetailsEquals(attrs,
     * subregion.getAttributes());
     */
    Set subregions = region.subregions(false);
    assertEquals(1, subregions.size());
    assertEquals(subregion, subregions.iterator().next());
}

Example 2 with CacheStatistics

use of org.apache.geode.cache.CacheStatistics in project geode by apache.

the class CacheStatisticsDUnitTest method testHitMissCount.

//////// Test methods
/**
   * Tests that the {@link CacheStatistics#getHitCount hit count} and
   * {@link CacheStatistics#getMissCount miss count} are updated properly for a local region and its
   * entries.
   */
@Test
public void testHitMissCount() throws CacheException {
    String name = this.getUniqueName();
    // value exists
    Object key = "KEY";
    // no entry
    Object key2 = "KEY2";
    // entry, invalid
    Object key3 = "KEY3";
    Object value = "VALUE";
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setStatisticsEnabled(true);
    Region region = createRegion(name, factory.create());
    CacheStatistics rStats = region.getStatistics();
    assertEquals(0, rStats.getHitCount());
    assertEquals(0, rStats.getMissCount());
    assertEquals(0.0f, rStats.getHitRatio(), 0.0f);
    assertNull(region.get(key));
    assertEquals(0, rStats.getHitCount());
    assertEquals(1, rStats.getMissCount());
    assertEquals(0.0f, rStats.getHitRatio(), 0.0f);
    assertNull(region.get(key));
    assertEquals(0, rStats.getHitCount());
    assertEquals(2, rStats.getMissCount());
    assertEquals(0.0f, rStats.getHitRatio(), 0.0f);
    rStats.resetCounts();
    assertEquals(0, rStats.getHitCount());
    assertEquals(0, rStats.getMissCount());
    assertEquals(0.0f, rStats.getHitRatio(), 0.0f);
    region.put(key, value);
    assertEquals(0, rStats.getHitCount());
    assertEquals(0, rStats.getMissCount());
    CacheStatistics eStats = region.getEntry(key).getStatistics();
    assertEquals(0, eStats.getHitCount());
    assertEquals(0, eStats.getMissCount());
    assertEquals(0.0f, eStats.getHitRatio(), 0.0f);
    region.get(key);
    assertEquals(1, eStats.getHitCount());
    assertEquals(0, eStats.getMissCount());
    assertEquals(1.0f, eStats.getHitRatio(), 0.0f);
    assertEquals(1, rStats.getHitCount());
    assertEquals(0, rStats.getMissCount());
    assertEquals(1.0f, rStats.getHitRatio(), 0.0f);
    region.get(key2);
    // assert independent from eStats
    assertEquals(1, eStats.getHitCount());
    assertEquals(0, eStats.getMissCount());
    assertEquals(1.0f, eStats.getHitRatio(), 0.0f);
    assertEquals(1, rStats.getHitCount());
    assertEquals(1, rStats.getMissCount());
    assertEquals(0.5f, rStats.getHitRatio(), 0.0f);
    region.create(key3, null);
    CacheStatistics e3Stats = region.getEntry(key3).getStatistics();
    assertEquals(0, e3Stats.getHitCount());
    assertEquals(0, e3Stats.getMissCount());
    assertEquals(0.0f, e3Stats.getHitRatio(), 0.0f);
    // miss on existing entry
    region.get(key3);
    assertEquals(0, e3Stats.getHitCount());
    assertEquals(1, e3Stats.getMissCount());
    assertEquals(0.0f, e3Stats.getHitRatio(), 0.0f);
    assertEquals(1, rStats.getHitCount());
    assertEquals(2, rStats.getMissCount());
    assertEquals(0.33f, rStats.getHitRatio(), 0.01f);
    eStats.resetCounts();
    assertEquals(0, eStats.getHitCount());
    assertEquals(0, eStats.getMissCount());
    assertEquals(0.0f, eStats.getHitRatio(), 0.0f);
    rStats.resetCounts();
    region.invalidate(key);
    assertEquals(0, eStats.getHitCount());
    assertEquals(0, eStats.getMissCount());
    assertEquals(0.0f, eStats.getHitRatio(), 0.0f);
    region.get(key);
    assertEquals(0, eStats.getHitCount());
    assertEquals(1, eStats.getMissCount());
    assertEquals(0, rStats.getHitCount());
    assertEquals(1, rStats.getMissCount());
    region.destroy(key);
    try {
        eStats.getMissCount();
        fail("Should have thrown an EntryDestroyedException");
    } catch (EntryDestroyedException ex) {
    // pass...
    }
}

Example 3 with CacheStatistics

use of org.apache.geode.cache.CacheStatistics in project geode by apache.

the class CacheStatisticsDUnitTest method testTimeStats.

/**
   * Tests that the {@linkplain CacheStatistics#getLastAccessedTime last access time} and
   * {@link CacheStatistics#getLastModifiedTime last modified time} are update appropriately for a
   * local region and its entries. It also validates that the last modification and last access
   * times are propagated to parent regions.
   */
@Test
public void testTimeStats() throws CacheException, InterruptedException {
    // the resolution, in ms, of entry stats
    final long ESTAT_RES = 100;
    String name = this.getUniqueName();
    Object key = "KEY";
    Object key2 = "KEY2";
    Object value = "VALUE";
    long before;
    long after;
    long oldBefore;
    long oldAfter;
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setStatisticsEnabled(true);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    Region region = createRegion(name, factory.create());
    CacheStatistics rStats = region.getStatistics();
    CacheStatistics rootStats = getRootRegion().getStatistics();
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(before, after, rStats.getLastAccessedTime());
    assertInRange(before, after, rStats.getLastModifiedTime());
    assertInRange(before, after, rootStats.getLastAccessedTime());
    assertInRange(before, after, rootStats.getLastModifiedTime());
    oldBefore = before;
    oldAfter = after;
    Wait.pause(150);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    region.get(key);
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(before, after, rStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rStats.getLastModifiedTime());
    assertInRange(before, after, rootStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastModifiedTime());
    Wait.pause(150);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    region.put(key, value);
    CacheStatistics eStats = region.getEntry(key).getStatistics();
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(before, after, rStats.getLastAccessedTime());
    assertInRange(before, after, rStats.getLastModifiedTime());
    assertInRange(before, after, rootStats.getLastAccessedTime());
    assertInRange(before, after, rootStats.getLastModifiedTime());
    assertInRange(before - ESTAT_RES, after + ESTAT_RES, eStats.getLastAccessedTime());
    assertInRange(before - ESTAT_RES, after + ESTAT_RES, eStats.getLastModifiedTime());
    oldBefore = before;
    oldAfter = after;
    Wait.pause(150);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    region.get(key);
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(before, after, rStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rStats.getLastModifiedTime());
    assertInRange(before, after, rootStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastModifiedTime());
    assertInRange(before - ESTAT_RES, after + ESTAT_RES, eStats.getLastAccessedTime());
    assertInRange(oldBefore - ESTAT_RES, oldAfter + ESTAT_RES, eStats.getLastModifiedTime());
    long oldOldBefore = oldBefore;
    long oldOldAfter = oldAfter;
    oldBefore = before;
    oldAfter = after;
    Wait.pause(150);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    region.create(key2, null);
    CacheStatistics eStats2 = region.getEntry(key2).getStatistics();
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(before, after, rStats.getLastAccessedTime());
    assertInRange(before, after, rStats.getLastModifiedTime());
    assertInRange(before, after, rootStats.getLastAccessedTime());
    assertInRange(before, after, rootStats.getLastModifiedTime());
    assertInRange(oldBefore - ESTAT_RES, oldAfter + ESTAT_RES, eStats.getLastAccessedTime());
    assertInRange(oldOldBefore - ESTAT_RES, oldOldAfter + ESTAT_RES, eStats.getLastModifiedTime());
    assertInRange(before - ESTAT_RES, after + ESTAT_RES, eStats2.getLastAccessedTime());
    assertInRange(before - ESTAT_RES, after + ESTAT_RES, eStats2.getLastModifiedTime());
    // Invalidation and destruction do not update the modification/access
    // times
    oldBefore = before;
    oldAfter = after;
    Wait.pause(150);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    region.invalidate(key2);
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(oldBefore - ESTAT_RES, oldAfter + ESTAT_RES, eStats2.getLastAccessedTime());
    assertInRange(oldBefore - ESTAT_RES, oldAfter + ESTAT_RES, eStats2.getLastModifiedTime());
    assertInRange(oldBefore, oldAfter, rStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rStats.getLastModifiedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastModifiedTime());
    Wait.pause(150);
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    region.destroy(key2);
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(oldBefore, oldAfter, rStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rStats.getLastModifiedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastModifiedTime());
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    Region sub = region.createSubregion("sub", region.getAttributes());
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(before, after, rStats.getLastAccessedTime());
    assertInRange(before, after, rStats.getLastModifiedTime());
    assertInRange(before, after, rootStats.getLastAccessedTime());
    assertInRange(before, after, rootStats.getLastModifiedTime());
    oldBefore = before;
    oldAfter = after;
    before = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    sub.destroyRegion();
    after = ((GemFireCacheImpl) getCache()).cacheTimeMillis();
    assertInRange(oldBefore, oldAfter, rStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rStats.getLastModifiedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastAccessedTime());
    assertInRange(oldBefore, oldAfter, rootStats.getLastModifiedTime());
}

Example 4 with CacheStatistics

use of org.apache.geode.cache.CacheStatistics in project geode by apache.

the class CacheStatisticsDUnitTest method testDistributedStats.

/**
   * Tests that distributed operations update the {@link CacheStatistics#getLastModifiedTime last
   * modified time}, but not the {@link CacheStatistics#getLastAccessedTime last accessed time}. It
   * also validates that distributed operations do not affect the hit and miss counts in remote
   * caches.
   */
@Test
public void testDistributedStats() {
    final String name = this.getUniqueName();
    final Object key = "KEY";
    final Object value = "VALUE";
    SerializableRunnable create = new CacheSerializableRunnable("Create Region") {

        public void run2() throws CacheException {
            AttributesFactory factory = new AttributesFactory();
            factory.setScope(Scope.DISTRIBUTED_ACK);
            factory.setEarlyAck(false);
            factory.setStatisticsEnabled(true);
            createRegion(name, factory.create());
        }
    };
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);
    vm0.invoke(create);
    vm1.invoke(create);
    vm0.invoke(new CacheSerializableRunnable("Define entry") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            // region.create(key, null);
            region.put(key, value);
            CacheStatistics stats = region.getEntry(key).getStatistics();
            lastAccessed = stats.getLastAccessedTime();
            lastModified = stats.getLastModifiedTime();
            getCache().getLogger().fine("DEFINE: lastAccessed: " + lastAccessed + ", lastModified: " + lastModified);
            assertEquals(0, stats.getHitCount());
            assertEquals(0, stats.getMissCount());
            assertTrue(lastModified > 0);
            lastModifiedLocal = lastModified;
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Net search") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            Object result = region.get(key);
            assertEquals(value, result);
            CacheStatistics stats = region.getEntry(key).getStatistics();
            lastModifiedRemote = stats.getLastModifiedTime();
            getCache().getLogger().fine("NETSEARCH: lastAccessed: " + stats.getLastAccessedTime() + ", lastModified: " + stats.getLastModifiedTime());
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify stats") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            CacheStatistics stats = region.getEntry(key).getStatistics();
            assertEquals(lastAccessed, stats.getLastAccessedTime());
            assertEquals(lastModified, stats.getLastModifiedTime());
            assertEquals(0, stats.getHitCount());
            assertEquals(0, stats.getMissCount());
        }
    });
    assertEquals(lastModifiedLocal, lastModifiedRemote);
    // make sure at least 100ms have passed; otherwise, the update
    // may not actually bump the statistics
    Wait.pause(100);
    vm1.invoke(new CacheSerializableRunnable("Update") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            // assertNull(region.getEntry(key));
            region.put(key, value);
            assertEquals(value, region.getEntry(key).getValue());
            CacheStatistics stats = region.getEntry(key).getStatistics();
            getCache().getLogger().fine("UPDATE: lastAccessed: " + stats.getLastAccessedTime() + ", lastModified: " + stats.getLastModifiedTime());
        }
    });
    final long errorMargin = 50;
    vm0.invoke(new CacheSerializableRunnable("Verify stats") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            CacheStatistics stats = region.getEntry(key).getStatistics();
            long ta = stats.getLastAccessedTime();
            long tm = stats.getLastModifiedTime();
            long hc = stats.getHitCount();
            long mc = stats.getMissCount();
            getCache().getLogger().fine("VERIFY: lastAccessed: " + ta + ", lastModified: " + tm);
            assertTrue("lastAccessedTime was " + ta + " but was expected to be > " + lastAccessed, lastAccessed < (ta + errorMargin));
            assertTrue("lastAccessed=" + lastAccessed + " should be < stats.getLastModifiedTime=" + tm, lastAccessed < (tm + errorMargin));
            assertEquals(0, hc);
            assertEquals(0, mc);
            lastAccessed = stats.getLastAccessedTime();
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Invalidate") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            region.invalidate(key);
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify stats") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            CacheStatistics stats = region.getEntry(key).getStatistics();
            assertEquals(lastAccessed, stats.getLastAccessedTime());
            assertEquals(lastAccessed, stats.getLastModifiedTime());
            assertEquals(0, stats.getHitCount());
            assertEquals(0, stats.getMissCount());
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Destroy Entry") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            region.destroy(key);
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify region stats") {

        public void run2() throws CacheException {
            Region region = getRootRegion().getSubregion(name);
            CacheStatistics stats = region.getStatistics();
            // lastAccessed var contains stat from an Entry, which may be
            // up to 100 ms off from stat in Region because Entry has
            // less precision
            // assertIndexDetailsEquals(lastAccessed, stats.getLastAccessedTime(), 100);
            assertEquals(0, stats.getHitCount());
            assertEquals(0, stats.getMissCount());
        }
    });
}