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

Example 1 with LRUStatistics

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

the class DiskRegionDUnitTest method testRemoteUpdates.

/**
   * Makes sure that updates from other VMs cause existing entries to be written to disk.
   */
@Test
public void testRemoteUpdates() 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_NO_ACK);
            factory.setEvictionAttributes(EvictionAttributes.createLRUMemoryAttributes(2, null, 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);
            int i;
            for (i = 0; lruStats.getEvictions() <= 0; i++) {
                region.put(new Integer(i), new short[250]);
            }
            assertTrue(i > 5);
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Update Region") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; i < 10; i++) {
                region.put(new Integer(i), new int[250]);
            }
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Verify overflow") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // DiskRegion dr = region.getDiskRegion();
            final LRUStatistics lruStats = getLRUStats(region);
            WaitCriterion ev = new WaitCriterion() {

                public boolean done() {
                    return lruStats.getEvictions() > 6;
                }

                public String description() {
                    return "waiting for evictions to exceed 6";
                }
            };
            Wait.waitForCriterion(ev, 5 * 1000, 200, true);
        // DiskRegionStats diskStats = dr.getStats();
        // assertTrue(diskStats.getWrites() > 6);
        }
    });
    vm0.invoke(new CacheSerializableRunnable("Populate with byte[]") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; i < 10000; i++) {
                region.put(String.valueOf(i), String.valueOf(i).getBytes());
            }
        }
    });
    vm1.invoke(new CacheSerializableRunnable("Get with byte[]") {

        public void run2() throws CacheException {
            LocalRegion region = (LocalRegion) getRootRegion().getSubregion(name);
            // LRUStatistics lruStats = getLRUStats(region);
            for (int i = 0; i < 10000; i++) {
                byte[] bytes = (byte[]) region.get(String.valueOf(i));
                assertEquals(String.valueOf(i), new String(bytes));
            }
        }
    });
}

Example 2 with LRUStatistics

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

the class DiskRegionDUnitTest method testLRUCapacityController.

/**
   * Tests disk overflow with an entry-based {@link LRUCapacityController}.
   */
@Test
public void testLRUCapacityController() throws CacheException {
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(1000, 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());
    Region region = createRegion(name, factory.create());
    DiskRegion dr = ((LocalRegion) region).getDiskRegion();
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    flush(region);
    assertEquals(0, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(0, lruStats.getEvictions());
    // Put in larger stuff until we start evicting
    for (int i = 1; i <= 1000; i++) {
        // System.out.println("total " + i + ", evictions " +
        // lruStats.getEvictions());
        Object key = new Integer(i);
        Object value = String.valueOf(i);
        region.put(key, value);
        assertEquals(i, lruStats.getCounter());
        assertEquals(0, lruStats.getEvictions());
        assertEquals("On iteration " + i, 0, diskStats.getWrites());
        assertEquals(0, diskStats.getReads());
        assertEquals(0, diskStats.getNumOverflowOnDisk());
    }
    assertEquals(0, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(0, diskStats.getNumOverflowOnDisk());
    // Add a new value
    region.put(new Integer(1000 + 1), String.valueOf(1000 + 1));
    assertEquals(1000, lruStats.getCounter());
    assertEquals(1, lruStats.getEvictions());
    assertEquals(1, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(1, diskStats.getNumOverflowOnDisk());
    assertEquals(1000, diskStats.getNumEntriesInVM());
    // Add another new value
    region.put(new Integer(1000 + 2), String.valueOf(1000 + 2));
    assertEquals(1000, lruStats.getCounter());
    assertEquals(2, lruStats.getEvictions());
    assertEquals(2, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(2, diskStats.getNumOverflowOnDisk());
    assertEquals(1000, diskStats.getNumEntriesInVM());
    // Replace a value
    region.put(new Integer(1000), String.valueOf(1000));
    assertEquals(1000, lruStats.getCounter());
    assertEquals(2, lruStats.getEvictions());
    assertEquals(2, diskStats.getWrites());
    assertEquals(0, diskStats.getReads());
    assertEquals(2, diskStats.getNumOverflowOnDisk());
    assertEquals(1000, diskStats.getNumEntriesInVM());
}

Example 3 with LRUStatistics

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

the class DiskRegionDUnitTest method testValues.

/**
   * Tests iterating over all of the values when some have been overflowed.
   */
@Test
public void testValues() 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() <= 0; total++) {
        int[] array = new int[250];
        array[0] = total;
        region.put(new Integer(total), array);
    }
    BitSet bits = new BitSet();
    Collection values = region.values();
    assertEquals(total, values.size());
    for (Iterator iter = values.iterator(); iter.hasNext(); ) {
        Object value = iter.next();
        assertNotNull(value);
        int[] array = (int[]) value;
        int i = array[0];
        assertFalse("Bit " + i + " is already set", bits.get(i));
        bits.set(i);
    }
}

Example 4 with LRUStatistics

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

the class DiskRegionDUnitTest method testRegionEntryValues.

// testSwitchOut is no longer valid
// the test was not written correctly to recover
// and if it was it would now fail with a split brain
// testSwitchIn is no longer valid
// we no longer switchIn files if GII aborts.
/**
   * Tests getting the {@linkplain org.apache.geode.cache.Region.Entry#getValue values} of region
   * entries that have been overflowed.
   */
@Test
public void testRegionEntryValues() 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() <= 0; total++) {
        int[] array = new int[250];
        array[0] = total;
        region.put(new Integer(total), array);
    }
    // BitSet bits = new BitSet();
    Set values = region.entrySet(false);
    assertEquals(total, values.size());
    for (Iterator iter = values.iterator(); iter.hasNext(); ) {
        Region.Entry entry = (Region.Entry) iter.next();
        Integer key = (Integer) entry.getKey();
        int[] value = (int[]) entry.getValue();
        assertNotNull(value);
        assertEquals("Key/value" + key, key.intValue(), value[0]);
    }
}

Example 5 with LRUStatistics

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

the class DiskRegionDUnitTest method testLowLevelGetMethods.

/**
   * Tests the {@link LocalRegion#getValueInVM getValueInVM} and {@link LocalRegion#getValueOnDisk
   * getValueOnDisk} methods that were added for testing.
   */
@Test
public void testLowLevelGetMethods() throws Exception {
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    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 larger stuff until we start evicting
    int total;
    for (total = 0; lruStats.getEvictions() <= 2; total++) {
        int[] array = new int[250];
        array[0] = total;
        Integer key = new Integer(total);
        region.put(key, array);
        array = (int[]) region.getValueInVM(key);
        assertNotNull(array);
        assertEquals(total, array[0]);
        assertNull(region.getValueOnDisk(key));
    }
    Integer key = new Integer(1);
    assertNull(region.getValueInVM(key));
    int[] array = (int[]) region.getValueOnDisk(key);
    assertNotNull(array);
    assertEquals(1, array[0]);
    region.get(key);
    CachedDeserializable cd = (CachedDeserializable) region.getValueInVM(key);
    array = (int[]) cd.getValue();
    assertNotNull(array);
    assertEquals(1, array[0]);
    array = (int[]) region.getValueOnDisk(key);
    assertNotNull(array);
    assertEquals(1, array[0]);
}