modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/FsyncWalRolloverDoesNotBlockTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.processors.cache.persistence.db.wal;

import org.apache.ignite.configuration.DataRegionConfiguration;
import org.apache.ignite.configuration.DataStorageConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.IgniteEx;
import org.apache.ignite.internal.pagemem.wal.record.CheckpointRecord;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;

import static org.apache.ignite.configuration.DataStorageConfiguration.DFLT_WAL_PATH;
import static org.apache.ignite.configuration.WALMode.FSYNC;

/** */
public class FsyncWalRolloverDoesNotBlockTest extends GridCommonAbstractTest {
    /** */
    private static class RolloverRecord extends CheckpointRecord {
        /** */
        private RolloverRecord() {
            super(null);
        }
    }

    /** {@inheritDoc} */
    @Override protected IgniteConfiguration getConfiguration(String name) throws Exception {
        IgniteConfiguration cfg = super.getConfiguration(name);

        cfg.setDataStorageConfiguration(new DataStorageConfiguration()
            .setDefaultDataRegionConfiguration(new DataRegionConfiguration().setPersistenceEnabled(true))
            .setWalMode(FSYNC)
            .setWalArchivePath(DFLT_WAL_PATH));

        return cfg;
    }

    /** {@inheritDoc} */
    @Override protected void beforeTest() throws Exception {
        stopAllGrids();

        cleanPersistenceDir();
    }

    /** {@inheritDoc} */
    @Override protected void afterTest() throws Exception {
        stopAllGrids();

        cleanPersistenceDir();
    }

    /** */
    @Test
    public void test() throws Exception {
        IgniteEx ig = startGrid(0);

        ig.cluster().active(true);

        ig.context().cache().context().database().checkpointReadLock();

        try {
            ig.context().cache().context().wal().log(new RolloverRecord());
        }
        finally {
            ig.context().cache().context().database().checkpointReadUnlock();
        }
    }
}