Examples with MemoryRawKVStore com.alipay.sofa.jraft.rhea.storage.MemoryRawKVStore used on opensource projects

Example 1 with MemoryRawKVStore

use of com.alipay.sofa.jraft.rhea.storage.MemoryRawKVStore in project sofa-jraft by sofastack.

the class BaseKVStoreTest method setup.

protected void setup() throws Exception {
    this.kvStore = new MemoryRawKVStore();
    this.dbOptions = new MemoryDBOptions();
    this.kvStore.init(this.dbOptions);
}

Example 2 with MemoryRawKVStore

use of com.alipay.sofa.jraft.rhea.storage.MemoryRawKVStore in project sofa-jraft by sofastack.

the class MemoryKVStoreTest method snapshotTest.

@Test
public void snapshotTest() throws Exception {
    final File backupDir = new File("backup");
    if (backupDir.exists()) {
        FileUtils.deleteDirectory(backupDir);
    }
    FileUtils.forceMkdir(backupDir);
    for (int i = 0; i < 100000; i++) {
        final String v = String.valueOf(i);
        this.kvStore.put(makeKey(v), makeValue(v), null);
    }
    for (int i = 0; i < 10000; i++) {
        this.kvStore.getSequence(makeKey((i % 100) + "seq_test"), 10, null);
    }
    final Region region = new Region();
    KVStoreSnapshotFile kvStoreSnapshotFile = KVStoreSnapshotFileFactory.getKVStoreSnapshotFile(this.kvStore);
    final ExecutorService snapshotPool = StoreEngineHelper.createSnapshotExecutor(1, 2);
    final TestSnapshotWriter snapshotWriter = new TestSnapshotWriter(backupDir.getAbsolutePath());
    final CountDownLatch latch = new CountDownLatch(1);
    final Closure done = status -> {
        assertTrue(status.isOk());
        latch.countDown();
    };
    kvStoreSnapshotFile.save(snapshotWriter, region, done, snapshotPool);
    latch.await();
    final LocalFileMeta meta = (LocalFileMeta) snapshotWriter.getFileMeta(SNAPSHOT_ARCHIVE);
    assertNotNull(meta);
    assertNotNull(get(makeKey("1")));
    this.kvStore.put(makeKey("100001"), makeValue("100001"), null);
    assertNotNull(get(makeKey("100001")));
    this.kvStore.shutdown();
    this.kvStore = new MemoryRawKVStore();
    final MemoryDBOptions dbOpts = new MemoryDBOptions();
    this.kvStore.init(dbOpts);
    assertNull(get(makeKey("1")));
    final TestSnapshotReader snapshotReader = new TestSnapshotReader(snapshotWriter.metaTable, backupDir.getAbsolutePath());
    kvStoreSnapshotFile = KVStoreSnapshotFileFactory.getKVStoreSnapshotFile(this.kvStore);
    final boolean ret = kvStoreSnapshotFile.load(snapshotReader, region);
    assertTrue(ret);
    for (int i = 0; i < 100000; i++) {
        final String v = String.valueOf(i);
        assertArrayEquals(makeValue(v), get(makeKey(v)));
    }
    // Key[100001] is put after the snapshot, so key[100001] should not exist
    assertNull(get(makeKey("100001")));
    FileUtils.deleteDirectory(backupDir);
    ExecutorServiceHelper.shutdownAndAwaitTermination(snapshotPool);
}

Example 3 with MemoryRawKVStore

use of com.alipay.sofa.jraft.rhea.storage.MemoryRawKVStore in project sofa-jraft by sofastack.

the class MemoryKVStoreTest method multiGroupSnapshotTest.

@Test
public void multiGroupSnapshotTest() throws Exception {
    final File backupDir = new File("multi-backup");
    if (backupDir.exists()) {
        FileUtils.deleteDirectory(backupDir);
    }
    final List<Region> regions = Lists.newArrayList();
    regions.add(new Region(1, makeKey("0"), makeKey("1"), null, null));
    regions.add(new Region(2, makeKey("1"), makeKey("2"), null, null));
    regions.add(new Region(3, makeKey("2"), makeKey("3"), null, null));
    regions.add(new Region(4, makeKey("3"), makeKey("4"), null, null));
    regions.add(new Region(5, makeKey("4"), makeKey("5"), null, null));
    for (int i = 0; i < 5; i++) {
        final String v = String.valueOf(i);
        this.kvStore.put(makeKey(v), makeValue(v), null);
    }
    for (int i = 0; i < 5; i++) {
        this.kvStore.getSequence(makeKey(i + "_seq_test"), 10, null);
    }
    KVStoreSnapshotFile kvStoreSnapshotFile = KVStoreSnapshotFileFactory.getKVStoreSnapshotFile(this.kvStore);
    final ExecutorService snapshotPool = StoreEngineHelper.createSnapshotExecutor(1, 2);
    final List<TestSnapshotWriter> writers = Lists.newArrayList();
    for (int i = 0; i < 4; i++) {
        final Path p = Paths.get(backupDir.getAbsolutePath(), String.valueOf(i));
        final TestSnapshotWriter snapshotWriter = new TestSnapshotWriter(p.toString());
        writers.add(snapshotWriter);
        final CountDownLatch latch = new CountDownLatch(1);
        final Closure done = status -> {
            assertTrue(status.isOk());
            latch.countDown();
        };
        kvStoreSnapshotFile.save(snapshotWriter, regions.get(i), done, snapshotPool);
        latch.await();
        final LocalFileMeta meta = (LocalFileMeta) snapshotWriter.getFileMeta(SNAPSHOT_ARCHIVE);
        assertNotNull(meta);
    }
    this.kvStore.shutdown();
    this.kvStore = new MemoryRawKVStore();
    final MemoryDBOptions dbOpts = new MemoryDBOptions();
    this.kvStore.init(dbOpts);
    kvStoreSnapshotFile = KVStoreSnapshotFileFactory.getKVStoreSnapshotFile(this.kvStore);
    for (int i = 0; i < 4; i++) {
        final Path p = Paths.get(backupDir.getAbsolutePath(), String.valueOf(i));
        final TestSnapshotReader snapshotReader = new TestSnapshotReader(writers.get(i).metaTable, p.toString());
        final boolean ret = kvStoreSnapshotFile.load(snapshotReader, regions.get(i));
        assertTrue(ret);
    }
    for (int i = 0; i < 4; i++) {
        final String v = String.valueOf(i);
        final byte[] seqKey = makeKey(i + "_seq_test");
        assertArrayEquals(makeValue(v), get(makeKey(v)));
        final Sequence sequence = new SyncKVStore<Sequence>() {

            @Override
            public void execute(RawKVStore kvStore, KVStoreClosure closure) {
                kvStore.getSequence(seqKey, 10, closure);
            }
        }.apply(this.kvStore);
        assertEquals(10L, sequence.getStartValue());
        assertEquals(20L, sequence.getEndValue());
    }
    assertNull(get(makeKey("5")));
    final Sequence sequence = new SyncKVStore<Sequence>() {

        @Override
        public void execute(RawKVStore kvStore, KVStoreClosure closure) {
            kvStore.getSequence(makeKey("4_seq_test"), 10, closure);
        }
    }.apply(this.kvStore);
    assertEquals(0L, sequence.getStartValue());
    FileUtils.deleteDirectory(backupDir);
    ExecutorServiceHelper.shutdownAndAwaitTermination(snapshotPool);
}

Example 4 with MemoryRawKVStore

use of com.alipay.sofa.jraft.rhea.storage.MemoryRawKVStore in project sofa-jraft by sofastack.

the class StoreEngine method initMemoryDB.

private boolean initMemoryDB(final StoreEngineOptions opts) {
    MemoryDBOptions memoryOpts = opts.getMemoryDBOptions();
    if (memoryOpts == null) {
        memoryOpts = new MemoryDBOptions();
        opts.setMemoryDBOptions(memoryOpts);
    }
    final MemoryRawKVStore memoryRawKVStore = new MemoryRawKVStore();
    if (!memoryRawKVStore.init(memoryOpts)) {
        LOG.error("Fail to init [MemoryRawKVStore].");
        return false;
    }
    this.rawKVStore = memoryRawKVStore;
    return true;
}

Example 5 with MemoryRawKVStore

use of com.alipay.sofa.jraft.rhea.storage.MemoryRawKVStore in project sofa-jraft by sofastack.

the class MemoryKVStoreTest method putTest.

/**
 * Test method: {@link MemoryRawKVStore#put(byte[], byte[], KVStoreClosure)}
 */
@Test
public void putTest() {
    final byte[] key = makeKey("put_test");
    TestClosure closure = new TestClosure();
    this.kvStore.get(key, closure);
    byte[] value = (byte[]) closure.getData();
    assertNull(value);
    value = makeValue("put_test_value");
    this.kvStore.put(key, value, null);
    byte[] newValue = new SyncKVStore<byte[]>() {

        @Override
        public void execute(RawKVStore kvStore, KVStoreClosure closure) {
            kvStore.get(key, closure);
        }
    }.apply(this.kvStore);
    assertArrayEquals(value, newValue);
}