Examples with LRUStatistics org.apache.geode.internal.cache.lru.LRUStatistics used on opensource projects

Example 16 with LRUStatistics

use of org.apache.geode.internal.cache.lru.LRUStatistics in project geode by apache.

the class RegionManagementDUnitTest method createDiskRegion.

private void createDiskRegion(final VM memberVM) {
    memberVM.invoke("createDiskRegion", () -> {
        AttributesFactory factory = new AttributesFactory();
        factory.setScope(Scope.LOCAL);
        factory.setEvictionAttributes(EvictionAttributes.createLRUMemoryAttributes(20, new TestObjectSizerImpl(), EvictionAction.LOCAL_DESTROY));
        Region region = getCache_tmp().createRegion(REGION_NAME, factory.create());
        LRUStatistics lruStats = ((AbstractRegion) region).getEvictionController().getLRUHelper().getStats();
        assertThat(lruStats).isNotNull();
        RegionMXBean regionMXBean = getManagementService_tmp().getLocalRegionMBean(REGION_PATH);
        assertThat(regionMXBean).isNotNull();
        int total;
        for (total = 0; total < 100; total++) {
            // TODO: why so many?
            int[] array = new int[250];
            array[0] = total;
            region.put(new Integer(total), array);
        }
        assertThat(regionMXBean.getEntrySize()).isGreaterThan(0);
    });
}

Example 17 with LRUStatistics

use of org.apache.geode.internal.cache.lru.LRUStatistics in project geode by apache.

the class DiskRegionDUnitTest method testNoFaults.

/**
   * Overflows a region and makes sure that gets of recently-used objects do not cause faults.
   */
@Test
public void testNoFaults() throws Exception {
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(100, EvictionAction.OVERFLOW_TO_DISK));
    File d = new File("DiskRegions" + OSProcess.getId());
    d.mkdirs();
    DiskStoreFactory dsf = getCache().createDiskStoreFactory();
    dsf.setDiskDirs(new File[] { d });
    DiskStore ds = dsf.create(name);
    factory.setDiskStoreName(ds.getName());
    Region region = createRegion(name, factory.create());
    DiskRegion dr = ((LocalRegion) region).getDiskRegion();
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    // Put in larger stuff until we start evicting
    int total;
    for (total = 0; lruStats.getEvictions() <= 20; total++) {
        // System.out.println("total " + total + ", evictions " +
        // lruStats.getEvictions());
        int[] array = new int[250];
        array[0] = total;
        region.put(new Integer(total), array);
    }
    assertTrue(total > 40);
    long firstEvictions = lruStats.getEvictions();
    long firstReads = diskStats.getReads();
    for (int i = 1; i <= 40; i++) {
        int key = total - i;
        region.get(new Integer(key));
        assertEquals("Key " + key + " caused an eviction", firstEvictions, lruStats.getEvictions());
        assertEquals("Key " + key + " caused an eviction", firstReads, diskStats.getReads());
    }
}

Example 18 with LRUStatistics

use of org.apache.geode.internal.cache.lru.LRUStatistics in project geode by apache.

the class DiskRegionDUnitTest method testCacheEvents.

/**
   * Tests cache listeners in an overflow region are invoked and that their events are reasonable.
   */
@Test
public void testCacheEvents() throws Exception {
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(100, EvictionAction.OVERFLOW_TO_DISK));
    File d = new File("DiskRegions" + OSProcess.getId());
    d.mkdirs();
    TestCacheListener listener = new TestCacheListener() {

        public void afterCreate2(EntryEvent event) {
        }
    };
    factory.addCacheListener(listener);
    DiskStoreFactory dsf = getCache().createDiskStoreFactory();
    dsf.setDiskDirs(new File[] { d });
    factory.setDiskSynchronous(true);
    DiskStore ds = dsf.create(name);
    factory.setDiskStoreName(ds.getName());
    Region region = createRegion(name, factory.create());
    // DiskRegion dr = ((LocalRegion) region).getDiskRegion();
    // DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    int total;
    for (total = 0; lruStats.getEvictions() < 20; total++) {
        region.put(new Integer(total), String.valueOf(total));
        assertEquals(String.valueOf(total), region.get(new Integer(total)));
    }
    assertTrue(listener.wasInvoked());
    listener = new TestCacheListener() {

        public void close2() {
        }
    };
    region.getAttributesMutator().setCacheListener(listener);
    for (int i = 0; i < total; i++) {
        String value = (String) region.get(new Integer(i));
        assertNotNull(value);
        assertEquals(String.valueOf(i), value);
    }
    assertFalse(listener.wasInvoked());
    listener = new TestCacheListener() {

        public void afterUpdate2(EntryEvent event) {
            Integer key = (Integer) event.getKey();
            assertEquals(null, event.getOldValue());
            assertEquals(false, event.isOldValueAvailable());
            byte[] value = (byte[]) event.getNewValue();
            assertEquals(key.intValue(), value.length);
        }
    };
    region.getAttributesMutator().setCacheListener(listener);
    for (int i = 0; i < 20; i++) {
        region.put(new Integer(i), new byte[i]);
    }
    assertTrue(listener.wasInvoked());
}

Example 19 with LRUStatistics

use of org.apache.geode.internal.cache.lru.LRUStatistics in project geode by apache.

the class DiskRegionDUnitTest method testLRUCCSizeOne.

/**
   * Tests a disk-based region with an {@link LRUCapacityController} with size 1 and an eviction
   * action of "overflow".
   */
@Test
public void testLRUCCSizeOne() throws CacheException {
    int threshold = 1;
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(threshold, EvictionAction.OVERFLOW_TO_DISK));
    factory.setCacheLoader(new CacheLoader() {

        public Object load(LoaderHelper helper) throws CacheLoaderException {
            return "LOADED VALUE";
        }

        public void close() {
        }
    });
    DiskStoreFactory dsf = getCache().createDiskStoreFactory();
    factory.setDiskSynchronous(true);
    File d = new File("DiskRegions" + OSProcess.getId());
    d.mkdirs();
    dsf.setDiskDirs(new File[] { d });
    DiskStore ds = dsf.create(name);
    factory.setDiskStoreName(ds.getName());
    Region region = createRegion(name, factory.create());
    LRUStatistics lruStats = getLRUStats(region);
    assertNotNull(lruStats);
    for (int i = 1; i <= 1; i++) {
        Object key = new Integer(i);
        Object value = String.valueOf(i);
        region.put(key, value);
        assertEquals(1, lruStats.getCounter());
        assertEquals(0, lruStats.getEvictions());
    }
    for (int i = 2; i <= 10; i++) {
        Object key = new Integer(i);
        Object value = String.valueOf(i);
        region.put(key, value);
        assertEquals(1, lruStats.getCounter());
        assertEquals(i - 1, lruStats.getEvictions());
    }
    for (int i = 11; i <= 20; i++) {
        Object key = new Integer(i);
        // Object value = String.valueOf(i);
        // Invoke loader
        region.get(key);
        assertEquals(1, lruStats.getCounter());
        assertEquals(i - 1, lruStats.getEvictions());
    }
}

Example 20 with LRUStatistics

use of org.apache.geode.internal.cache.lru.LRUStatistics in project geode by apache.

the class DiskRegionDUnitTest method testOverflowMirror.

/**
   * Tests overflow with mirrored regions. Note that we have to use <code>byte</code> array values
   * in this test. Otherwise, the size of the data in the "puter" VM would be different from the
   * size of the data in the receiver VM, thus cause the two VMs to have different LRU eviction
   * behavior.
   */
@Test
public void testOverflowMirror() throws Exception {
    final String name = this.getUniqueName();
    SerializableRunnable create = new CacheSerializableRunnable("Create region") {

        public void run2() throws CacheException {
            AttributesFactory factory = new AttributesFactory();
            factory.setScope(Scope.DISTRIBUTED_ACK);
            factory.setEarlyAck(false);
            factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(100, EvictionAction.OVERFLOW_TO_DISK));
            factory.setDataPolicy(DataPolicy.REPLICATE);
            File d = new File("DiskRegions" + OSProcess.getId());
            d.mkdirs();
            DiskStoreFactory dsf = getCache().createDiskStoreFactory();
            dsf.setDiskDirs(new File[] { d });
            factory.setDiskSynchronous(true);
            DiskStore ds = dsf.create(name);
            factory.setDiskStoreName(ds.getName());
            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("Fill Region") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // DiskRegion dr = region.getDiskRegion();
            LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; lruStats.getEvictions() < 10; i++) {
                LogWriterUtils.getLogWriter().info("Put " + i);
                region.put(new Integer(i), new byte[1]);
            }
            assertEquals(10, lruStats.getEvictions());
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Verify overflow") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // DiskRegion dr = region.getDiskRegion();
            LRUStatistics lruStats = getLRUStats(region);
            assertEquals(10, lruStats.getEvictions());
            // entries.
            for (int i = 0; i < 10; i++) {
                region.get(new Integer(i));
                assertEquals("No eviction for " + i, 10 + 1 + i, lruStats.getEvictions());
            }
        }
    });
}