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

Example 21 with LRUStatistics

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

the class LRUEvictionControllerDUnitTest method testCacheLoader.

/**
   * Carefully verifies that region operations effect the {@link LRUStatistics} as expected in the
   * presense of a {@link CacheLoader}.
   */
@Test
public void testCacheLoader() throws CacheException {
    int threshold = 10;
    final String name = this.getUniqueName();
    AttributesFactory factory = new AttributesFactory();
    factory.setScope(Scope.LOCAL);
    factory.setEvictionAttributes(EvictionAttributes.createLRUEntryAttributes(threshold));
    factory.setCacheLoader(new CacheLoader() {

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

        public void close() {
        }
    });
    Region region;
    if (usingMain) {
        DistributedSystem system = DistributedSystem.connect(new Properties());
        Cache cache = CacheFactory.create(system);
        region = cache.createRegion("Test", factory.create());
    } else {
        region = createRegion(name, factory.create());
    }
    LRUStatistics lruStats = getLRUStats(region);
    assertNotNull(lruStats);
    for (int i = 1; i <= 10; i++) {
        Object key = new Integer(i);
        Object value = String.valueOf(i);
        region.put(key, value);
        assertEquals(i, lruStats.getCounter());
        assertEquals(0, 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(10, lruStats.getCounter());
        assertEquals(i - 10, lruStats.getEvictions());
    }
}

Example 22 with LRUStatistics

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

the class MemberMBeanBridge method removeRegion.

public void removeRegion(Region region) {
    if (region.getAttributes().getPartitionAttributes() != null) {
        removePartionRegionStats(((PartitionedRegion) region).getPrStats());
    }
    LocalRegion l = (LocalRegion) region;
    if (l.getEvictionController() != null) {
        LRUStatistics stats = l.getEvictionController().getLRUHelper().getStats();
        if (stats != null) {
            removeLRUStats(stats);
        }
    }
    DiskRegion dr = l.getDiskRegion();
    if (dr != null) {
        for (DirectoryHolder dh : dr.getDirectories()) {
            removeDirectoryStats(dh.getDiskDirectoryStats());
        }
    }
}

Example 23 with LRUStatistics

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

the class TestDiskRegion method main5.

/**
   * Filling up the region with keys and values
   */
public static void main5(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));
    LocalRegion region = (LocalRegion) cache.createRegion("TestDiskRegion", factory.create());
    // DiskRegion dr = region.getDiskRegion();
    // DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    for (int i = 0; i < 10000; i++) {
        int[] array = new int[1000];
        array[0] = i;
        try {
            region.put(array, new Integer(i));
        } catch (IllegalStateException ex) {
            System.out.println("Ran out of space: " + ex);
            return;
        }
    }
    String s = "Limit is " + lruStats.getLimit() + " evictions are " + lruStats.getEvictions();
    throw new RuntimeException(s);
}

Example 24 with LRUStatistics

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

the class TestDiskRegion method main.

public static void main(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));
    DiskStoreFactory dsf = cache.createDiskStoreFactory();
    File user_dir = new File(System.getProperty("user.dir"));
    if (!user_dir.exists()) {
        user_dir.mkdir();
    }
    File[] dirs1 = new File[] { user_dir };
    DiskStore ds1 = dsf.setDiskDirs(dirs1).create("TestDiskRegion");
    factory.setDiskStoreName("TestDiskRegion");
    LocalRegion region = (LocalRegion) cache.createRegion("TestDiskRegion", factory.create());
    DiskRegion dr = region.getDiskRegion();
    Assert.assertTrue(dr != null);
    DiskRegionStats diskStats = dr.getStats();
    LRUStatistics lruStats = getLRUStats(region);
    Assert.assertTrue(diskStats != null);
    Assert.assertTrue(lruStats != null);
    // Put some small stuff
    for (int i = 0; i < 10; i++) {
        region.put(new Integer(i), String.valueOf(i));
    }
    Assert.assertTrue(diskStats.getWrites() == 0);
    Assert.assertTrue(diskStats.getReads() == 0);
    Assert.assertTrue(lruStats.getEvictions() == 0);
    // // Make sure we can get them back okay
    // for (int i = 0; i < 10; i++) {
    // Object value = region.get(new Integer(i));
    // Assert.assertTrue(value != null);
    // Assert.assertTrue(String.valueOf(i).equals(value));
    // }
    // Put in larger stuff until we start evicting
    int total;
    for (total = 0; lruStats.getEvictions() <= 0; total++) {
        System.out.println("total puts " + total + ", evictions " + lruStats.getEvictions() + ", total entry size " + lruStats.getCounter());
        int[] array = new int[250];
        array[0] = total;
        region.put(new Integer(total), array);
    }
    Assert.assertTrue(diskStats.getWrites() == 1);
    Assert.assertTrue(diskStats.getReads() == 0);
    Assert.assertTrue(lruStats.getEvictions() == 1);
    System.out.println("----------  Finished Putting -------------");
    Object value = region.get(new Integer(0));
    Assert.assertTrue(value != null);
    Assert.assertTrue(((int[]) value)[0] == 0);
    Assert.assertTrue(diskStats.getWrites() == 2, String.valueOf(diskStats.getWrites()));
    Assert.assertTrue(diskStats.getReads() == 1);
    Assert.assertTrue(lruStats.getEvictions() == 2, String.valueOf(lruStats.getEvictions()));
    System.out.println("----------  Getting ALL -------------");
    for (int i = 0; i < total; i++) {
        System.out.println("total gets " + i + ", evictions " + lruStats.getEvictions() + ", total entry size " + lruStats.getCounter());
        int[] array = (int[]) region.get(new Integer(i));
        Assert.assertTrue(array != null);
        Assert.assertTrue(i == array[0]);
    }
    System.out.println("---------  Updating  --------------");
    long startEvictions = lruStats.getEvictions();
    for (int i = 0; i < 10; i++) {
        region.put(new Integer(i), new int[251]);
        long expected = startEvictions + 1 + i;
        long actual = lruStats.getEvictions();
        Assert.assertTrue(expected == actual, "For " + i + " expected " + expected + ", got " + actual);
    }
    System.out.println("Done.  Waiting for stats to be written...");
    Thread.sleep(5 * 1000);
}

Example 25 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());
    }
}