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

Example 6 with LRUStatistics

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

the class DiskRegionDUnitTest method testTestHookStatistics.

/**
   * Tests that the "test hook" {@link DiskRegionStats} work as advertised.
   */
@Test
public void testTestHookStatistics() throws Exception {
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    // factory.setConcurrencyChecksEnabled(false);
    factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(100, EvictionAction.OVERFLOW_TO_DISK));
    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());
    LocalRegion region = (LocalRegion) createRegion(name, factory.create());
    DiskRegion dr = region.getDiskRegion();
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    // Put in stuff until we start evicting
    int total;
    for (total = 0; lruStats.getEvictions() <= 0; total++) {
        int[] array = new int[1];
        array[0] = total;
        region.put(new Integer(total), array);
        if (lruStats.getEvictions() <= 0) {
            assertEquals(total + 1, diskStats.getNumEntriesInVM());
        }
    }
    assertEquals(1, diskStats.getNumOverflowOnDisk());
    // Net change of zero
    region.get(new Integer(0));
    assertEquals(region.entryCount(), diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 1, diskStats.getNumEntriesInVM());
    assertEquals(1, diskStats.getNumOverflowOnDisk());
    // Kick out 4 entries
    region.put(new Integer(total + 10), new int[1]);
    region.put(new Integer(total + 11), new int[1]);
    region.put(new Integer(total + 12), new int[1]);
    region.put(new Integer(total + 13), new int[1]);
    assertEquals(region.entryCount(), diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 1, diskStats.getNumEntriesInVM());
    assertEquals(5, diskStats.getNumOverflowOnDisk());
    // Make sure invalidate of inVM entry changes inVM count but not disk
    region.invalidate(new Integer(total + 10));
    assertEquals(region.entryCount() - 1, diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 2, diskStats.getNumEntriesInVM());
    assertEquals(5, diskStats.getNumOverflowOnDisk());
    // Make sure local-invalidate of inVM entry changes inVM count but not disk
    region.localInvalidate(new Integer(total + 11));
    assertEquals(region.entryCount() - 2, diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 3, diskStats.getNumEntriesInVM());
    assertEquals(5, diskStats.getNumOverflowOnDisk());
    // Make sure destroy of invalid entry does not change inVM or onDisk but changes entry count
    region.destroy(new Integer(total + 10));
    // ((LocalRegion)region).dumpBackingMap();
    assertEquals(region.entryCount() - 1, diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 3, diskStats.getNumEntriesInVM());
    assertEquals(5, diskStats.getNumOverflowOnDisk());
    // Make sure destroy of inVM entry does change inVM but not onDisk
    region.destroy(new Integer(total + 12));
    assertEquals(region.entryCount() - 1, diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 4, diskStats.getNumEntriesInVM());
    assertEquals(5, diskStats.getNumOverflowOnDisk());
    // Destroy an entry that has been overflowed
    region.destroy(new Integer(3));
    assertEquals(region.entryCount() - 1, diskStats.getNumEntriesInVM() + diskStats.getNumOverflowOnDisk());
    assertEquals(total - 4, diskStats.getNumEntriesInVM());
    assertEquals(4, diskStats.getNumOverflowOnDisk());
}

Example 7 with LRUStatistics

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

the class DiskRegionDUnitTest method testDistributedInvalidate.

/**
   * Tests that invalidates and updates received from different VMs are handled appropriately by
   * overflow regions.
   */
@Test
public void testDistributedInvalidate() 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));
            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());
            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());
        }
    });
    final Object key = new Integer(20);
    vm1.invoke(new CacheSerializableRunnable("Invalidate entry") {

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

        public void run2() throws CacheException {
            final Region region = getRootRegion().getSubregion(name);
            WaitCriterion ev = new WaitCriterion() {

                public boolean done() {
                    return region.get(key) == null;
                }

                public String description() {
                    return "value for key remains: " + key;
                }
            };
            Wait.waitForCriterion(ev, 500, 200, true);
        }
    });
    final String newValue = "NEW VALUE";
    vm1.invoke(new CacheSerializableRunnable("Update entry") {

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

        public void run2() throws CacheException {
            final Region region = getRootRegion().getSubregion(name);
            WaitCriterion ev = new WaitCriterion() {

                public boolean done() {
                    return newValue.equals(region.get(key));
                }

                public String description() {
                    return "verify update";
                }
            };
            Wait.waitForCriterion(ev, 500, 200, true);
        }
    });
}

Example 8 with LRUStatistics

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

the class DiskRegionDUnitTest method testInvalidate.

/**
   * Tests that once an overflowed entry is {@linkplain Region#invalidate invalidated} its value is
   * gone.
   */
@Test
public void testInvalidate() 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() <= 10; total++) {
        int[] array = new int[250];
        array[0] = total;
        region.put(new Integer(total), array);
    }
    region.invalidate(new Integer(0));
    assertNull(region.get(new Integer(0)));
}

Example 9 with LRUStatistics

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

the class TestDiskRegion method main1.

public static void main1(String[] args) throws Exception {
    DistributedSystem system = DistributedSystem.connect(new java.util.Properties());
    Cache cache = CacheFactory.create(system);
    AttributesFactory factory = new AttributesFactory();
    factory.setEvictionAttributes(EvictionAttributes.createLRUMemoryAttributes(2, (ObjectSizer) null, EvictionAction.OVERFLOW_TO_DISK));
    factory.setCacheListener(new CacheListenerAdapter() {

        public void afterUpdate(EntryEvent event) {
            System.out.println("UPDATE: " + event.getKey() + " -> (" + event.getOldValue() + " -> " + event.getNewValue() + ")");
        }
    });
    LocalRegion region = (LocalRegion) cache.createRegion("TestDiskRegion", factory.create());
    DiskRegion dr = region.getDiskRegion();
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Hit enter to perform action");
    for (int i = 0; true; i++) {
        br.readLine();
        // Thread.sleep(500);
        Object key = new Integer(i);
        Object value = new byte[200000];
        region.put(key, value);
        System.out.println(key + " -> " + value + " evictions = " + lruStats.getEvictions() + ", writes = " + diskStats.getWrites());
    }
}

Example 10 with LRUStatistics

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

the class DiskRegionJUnitTest method testDiskRegionOverflow.

/**
   * Tests if region overflows correctly and stats are create and updated correctly.
   */
@Test
public void testDiskRegionOverflow() throws Exception {
    DiskRegionProperties props = new DiskRegionProperties();
    props.setOverflow(true);
    props.setOverFlowCapacity(100);
    props.setDiskDirs(dirs);
    Region region = DiskRegionHelperFactory.getAsyncOverFlowOnlyRegion(cache, props);
    DiskRegion dr = ((LocalRegion) region).getDiskRegion();
    assertNotNull(dr);
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = ((LocalRegion) region).getEvictionController().getLRUHelper().getStats();
    assertNotNull(diskStats);
    assertNotNull(lruStats);
    dr.flushForTesting();
    assertEquals(0, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(0, lruStats.getEvictions());
    // Put in larger stuff until we start evicting
    int total;
    for (total = 0; lruStats.getEvictions() <= 0; total++) {
        // getLogWriter().info("DEBUG: total " + total + ", evictions " +
        // lruStats.getEvictions());
        int[] array = new int[250];
        array[0] = total;
        region.put(new Integer(total), array);
    }
    dr.flushForTesting();
    assertEquals(1, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(1, lruStats.getEvictions());
    assertEquals(1, diskStats.getNumOverflowOnDisk());
    assertEquals(total - 1, diskStats.getNumEntriesInVM());
    Object value = region.get(new Integer(0));
    dr.flushForTesting();
    assertNotNull(value);
    assertEquals(0, ((int[]) value)[0]);
    assertEquals(2, diskStats.getWrites());
    assertEquals(1, diskStats.getReads());
    assertEquals(2, lruStats.getEvictions());
    for (int i = 0; i < total; i++) {
        int[] array = (int[]) region.get(new Integer(i));
        assertNotNull(array);
        assertEquals(i, array[0]);
    }
}