Examples with HEADER_RECORD_SIZE org.apache.ignite.internal.processors.cache.persistence.wal.serializer.RecordV1Serializer.HEADER_RECORD_SIZE used on opensource projects

Example 1 with HEADER_RECORD_SIZE

use of org.apache.ignite.internal.processors.cache.persistence.wal.serializer.RecordV1Serializer.HEADER_RECORD_SIZE in project ignite by apache.

the class IgniteDataStorageMetricsSelfTest method testWalWrittenBytes.

/**
 * Checking that the metrics of the total logged bytes are working correctly.
 *
 * @throws Exception If failed.
 */
@Test
public void testWalWrittenBytes() throws Exception {
    IgniteEx n = startGrid(0, (UnaryOperator<IgniteConfiguration>) cfg -> {
        cfg.getDataStorageConfiguration().setWalSegmentSize((int) (2 * U.MB));
        return cfg;
    });
    n.cluster().state(ACTIVE);
    awaitPartitionMapExchange();
    for (int i = 0; i < 10; i++) n.cache("cache").put(ThreadLocalRandom.current().nextLong(), new byte[(int) (32 * U.KB)]);
    WALDisableContext walDisableCtx = n.context().cache().context().walState().walDisableContext();
    assertNotNull(walDisableCtx);
    setFieldValue(walDisableCtx, "disableWal", true);
    assertTrue(walDisableCtx.check());
    assertNull(walMgr(n).log(new DataRecord(emptyList())));
    assertEquals(-1, walMgr(n).lastArchivedSegment());
    long exp = walMgr(n).lastWritePointer().fileOffset() - HEADER_RECORD_SIZE;
    assertEquals(exp, dbMgr(n).persistentStoreMetrics().getWalWrittenBytes());
    assertEquals(exp, dsMetricsMXBean(n).getWalWrittenBytes());
    assertEquals(exp, ((LongAdderMetric) dsMetricRegistry(n).findMetric("WalWrittenBytes")).value());
}