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From "Alexei Scherbakov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-6973) Node restarts with enabled persistence lead to affinity assignment mismatch on different nodes.
Date Tue, 21 Nov 2017 10:44:00 GMT
Alexei Scherbakov created IGNITE-6973:
-----------------------------------------

             Summary: Node restarts with enabled persistence lead to affinity assignment mismatch
on different nodes.
                 Key: IGNITE-6973
                 URL: https://issues.apache.org/jira/browse/IGNITE-6973
             Project: Ignite
          Issue Type: Bug
    Affects Versions: 2.3
            Reporter: Alexei Scherbakov
             Fix For: 2.4


Most probably this is caused by deploymentId reassign after grid restart.

All nodes must have same deploymentId in such case.

Reproducer:

{noformat}
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package org.apache.ignite.internal.processors.cache.persistence;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.cache.CacheAtomicityMode;
import org.apache.ignite.cache.CacheMode;
import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.configuration.MemoryConfiguration;
import org.apache.ignite.configuration.MemoryPolicyConfiguration;
import org.apache.ignite.configuration.PersistentStoreConfiguration;
import org.apache.ignite.configuration.WALMode;
import org.apache.ignite.internal.IgniteEx;
import org.apache.ignite.internal.IgniteInternalFuture;
import org.apache.ignite.internal.IgniteKernal;
import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion;
import org.apache.ignite.internal.processors.cache.CacheGroupDescriptor;
import org.apache.ignite.internal.processors.cache.IgniteInternalCache;
import org.apache.ignite.internal.util.typedef.G;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteUuid;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.GridTestUtils;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;

import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheMode.PARTITIONED;
import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC;
import static org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.IGNITE_PDS_CHECKPOINT_TEST_SKIP_SYNC;

/**
 * The test validates assignment after nodes restart with enabled persistence.
 */
public class IgnitePdsCacheAssignmentNodeRestartsTest extends GridCommonAbstractTest {
    /** */
    private static TcpDiscoveryIpFinder ipFinder = new TcpDiscoveryVmIpFinder(true);

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

            cfg.setMemoryConfiguration(new MemoryConfiguration().setDefaultMemoryPolicyName("d").
                setPageSize(1024).setMemoryPolicies(new MemoryPolicyConfiguration().setName("d").
                setInitialSize(50 * 1024 * 1024L).setMaxSize(50 * 1024 * 1024)));

            cfg.setPersistentStoreConfiguration(new PersistentStoreConfiguration().setWalMode(WALMode.LOG_ONLY));

        ((TcpDiscoverySpi)cfg.getDiscoverySpi()).setIpFinder(ipFinder);

        return cfg;
    }

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

        deleteRecursively(U.resolveWorkDirectory(U.defaultWorkDirectory(), "db", false));
    }

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

        deleteRecursively(U.resolveWorkDirectory(U.defaultWorkDirectory(), "db", false));

        super.afterTest();
    }

    /**
     * @param name Name.
     * @param atomicityMode Atomicity mode.
     * @param cacheMode Cache mode.
     * @param backups Backups.
     * @param grp Group.
     */
    private CacheConfiguration cacheConfiguration(String name,
        CacheAtomicityMode atomicityMode,
        CacheMode cacheMode,
        int backups,
        String grp)
    {
        CacheConfiguration ccfg = new CacheConfiguration(name);

        ccfg.setAtomicityMode(atomicityMode);
        ccfg.setWriteSynchronizationMode(FULL_SYNC);
        ccfg.setCacheMode(cacheMode);
        ccfg.setGroupName(grp);

        ccfg.setAffinity(new RendezvousAffinityFunction(false, 128));

        if (cacheMode == PARTITIONED)
            ccfg.setBackups(backups);

        return ccfg;
    }

    /**
     *
     */
    public void testAssignmentAfterRestarts() throws Exception {
        try {
            System.setProperty(IGNITE_PDS_CHECKPOINT_TEST_SKIP_SYNC, "true");

            final int gridsCnt = 5;

            final int groupsCnt = 2;

            final IgniteEx node = (IgniteEx)startGridsMultiThreaded(gridsCnt);

            final List<CacheConfiguration> cfgs = Arrays.asList(
                cacheConfiguration("g1c1", TRANSACTIONAL, PARTITIONED, gridsCnt, "testGrp1"),
                cacheConfiguration("g1c2", TRANSACTIONAL, PARTITIONED, gridsCnt, "testGrp1"),
                cacheConfiguration("g2c1", TRANSACTIONAL, PARTITIONED, gridsCnt, "testGrp2"),
                cacheConfiguration("g2c2", TRANSACTIONAL, PARTITIONED, gridsCnt, "testGrp2"));

            final Collection<IgniteCache> caches = node.getOrCreateCaches(cfgs);

            validateDepIds(groupsCnt);

            stopAllGrids();

            IgniteEx node2 = (IgniteEx)startGridsMultiThreaded(gridsCnt);

            validateDepIds(groupsCnt); // Deployment ids must be the same on all nodes.

            final int restartIdxFrom = 2;

            final AtomicInteger idx = new AtomicInteger(restartIdxFrom);

            IgniteInternalFuture fut = GridTestUtils.runMultiThreadedAsync(new Callable<Void>()
{
                @Override public Void call() throws Exception {
                    int nodeIdx = idx.getAndIncrement();

                    stopGrid(nodeIdx);

                    return null;
                }
            }, gridsCnt - restartIdxFrom, "stop-node");

            fut.get();

            awaitPartitionMapExchange();

            checkAffinity();

            idx.set(restartIdxFrom);

            fut = GridTestUtils.runMultiThreadedAsync(new Callable<Void>() {
                @Override public Void call() throws Exception {
                    int nodeIdx = idx.getAndIncrement();

                    startGrid(nodeIdx);

                    return null;
                }
            }, gridsCnt - restartIdxFrom, "start-node");

            fut.get();

            awaitPartitionMapExchange();

            AffinityTopologyVersion topVer = node2.context().cache().context().exchange().readyAffinityVersion();

            log.info("Using version: " + topVer);

            checkAffinity();
        }
        finally {
            System.clearProperty(IGNITE_PDS_CHECKPOINT_TEST_SKIP_SYNC);
        }
    }

    /**
     * @param grpCnt Group count.
     */
    private void validateDepIds(int grpCnt) {
        Map<Integer, IgniteUuid> depIds = new HashMap<>();

        for (Ignite ignite : G.allGrids()) {
            final Map<Integer, CacheGroupDescriptor> descMap = ((IgniteEx)ignite).context().cache().cacheGroupDescriptors();

            for (Map.Entry<Integer, CacheGroupDescriptor> entry : descMap.entrySet())
{
                final IgniteUuid u = entry.getValue().deploymentId();

                final IgniteUuid u0 = depIds.get(entry.getKey());

                if (u0 == null)
                    depIds.put(entry.getKey(), u);
                else
                    assertEquals("Descriptors do not match", u0, u);
            }
        }

        assertEquals(grpCnt + 1, depIds.size());
    }

    /**
     * @throws Exception If failed.
     */
    private void checkAffinity() throws Exception {
        List<Ignite> nodes = G.allGrids();

        ClusterNode crdNode = null;

        for (Ignite node : nodes) {
            ClusterNode locNode = node.cluster().localNode();

            if (crdNode == null || locNode.order() < crdNode.order())
                crdNode = locNode;
        }

        AffinityTopologyVersion topVer = ((IgniteKernal)grid(crdNode)).
            context().cache().context().exchange().readyAffinityVersion();

        Map<String, List<List<ClusterNode>>> affMap = new HashMap<>();

        for (Ignite node : nodes) {
            IgniteKernal node0 = (IgniteKernal)node;

            for (IgniteInternalCache cache : node0.context().cache().caches()) {
                List<List<ClusterNode>> aff = affMap.get(cache.name());
                List<List<ClusterNode>> aff0 = cache.context().affinity().assignments(topVer);

                if (aff != null)
                    assertEquals(aff, aff0);
                else
                    affMap.put(cache.name(), aff0);
            }
        }
    }
}
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