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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.service;
import java.net.InetAddress;
import java.util.*;
import java.util.concurrent.ExecutionException;
import com.google.common.collect.Sets;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.db.RowUpdateBuilder;
import org.apache.cassandra.db.compaction.OperationType;
import org.apache.cassandra.db.lifecycle.SSTableSet;
import org.apache.cassandra.db.lifecycle.View;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.dht.Token;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.io.sstable.format.SSTableReader;
import org.apache.cassandra.locator.AbstractReplicationStrategy;
import org.apache.cassandra.locator.TokenMetadata;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.concurrent.Refs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class ActiveRepairServiceTest
{
public static final String KEYSPACE5 = "Keyspace5";
public static final String CF_STANDARD1 = "Standard1";
public static final String CF_COUNTER = "Counter1";
public String cfname;
public ColumnFamilyStore store;
public InetAddress LOCAL, REMOTE;
private boolean initialized;
@BeforeClass
public static void defineSchema() throws ConfigurationException
{
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE5,
KeyspaceParams.simple(2),
SchemaLoader.standardCFMD(KEYSPACE5, CF_COUNTER),
SchemaLoader.standardCFMD(KEYSPACE5, CF_STANDARD1));
}
@Before
public void prepare() throws Exception
{
if (!initialized)
{
SchemaLoader.startGossiper();
initialized = true;
LOCAL = FBUtilities.getBroadcastAddress();
// generate a fake endpoint for which we can spoof receiving/sending trees
REMOTE = InetAddress.getByName("127.0.0.2");
}
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
tmd.clearUnsafe();
StorageService.instance.setTokens(Collections.singleton(tmd.partitioner.getRandomToken()));
tmd.updateNormalToken(tmd.partitioner.getMinimumToken(), REMOTE);
assert tmd.isMember(REMOTE);
}
@Test
public void testGetNeighborsPlusOne() throws Throwable
{
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
Set<InetAddress> neighbors = new HashSet<>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(KEYSPACE5, ranges, range, null, null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsTimesTwo() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(KEYSPACE5).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
Set<InetAddress> neighbors = new HashSet<>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(KEYSPACE5, ranges, range, null, null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsPlusOneInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
Set<InetAddress> neighbors = new HashSet<>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(KEYSPACE5, ranges, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsTimesTwoInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(KEYSPACE5).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
Set<InetAddress> neighbors = new HashSet<>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(KEYSPACE5, ranges, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsTimesTwoInSpecifiedHosts() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the hosts are returned
addTokens(2 * Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(KEYSPACE5).getReplicationStrategy();
List<InetAddress> expected = new ArrayList<>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
Collection<String> hosts = Arrays.asList(FBUtilities.getBroadcastAddress().getCanonicalHostName(),expected.get(0).getCanonicalHostName());
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
assertEquals(expected.get(0), ActiveRepairService.getNeighbors(KEYSPACE5, ranges,
ranges.iterator().next(),
null, hosts).iterator().next());
}
@Test(expected = IllegalArgumentException.class)
public void testGetNeighborsSpecifiedHostsWithNoLocalHost() throws Throwable
{
addTokens(2 * Keyspace.open(KEYSPACE5).getReplicationStrategy().getReplicationFactor());
//Dont give local endpoint
Collection<String> hosts = Arrays.asList("127.0.0.3");
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(KEYSPACE5);
ActiveRepairService.getNeighbors(KEYSPACE5, ranges, ranges.iterator().next(), null, hosts);
}
Set<InetAddress> addTokens(int max) throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
Set<InetAddress> endpoints = new HashSet<>();
for (int i = 1; i <= max; i++)
{
InetAddress endpoint = InetAddress.getByName("127.0.0." + i);
tmd.updateNormalToken(tmd.partitioner.getRandomToken(), endpoint);
endpoints.add(endpoint);
}
return endpoints;
}
@Test
public void testGetActiveRepairedSSTableRefs()
{
ColumnFamilyStore store = prepareColumnFamilyStore();
Set<SSTableReader> original = store.getLiveSSTables();
UUID prsId = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(prsId, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), null, true, 0, false);
ActiveRepairService.ParentRepairSession prs = ActiveRepairService.instance.getParentRepairSession(prsId);
prs.markSSTablesRepairing(store.metadata.cfId, prsId);
//retrieve all sstable references from parent repair sessions
Refs<SSTableReader> refs = prs.getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId);
Set<SSTableReader> retrieved = Sets.newHashSet(refs.iterator());
assertEquals(original, retrieved);
refs.release();
//remove 1 sstable from data data tracker
Set<SSTableReader> newLiveSet = new HashSet<>(original);
Iterator<SSTableReader> it = newLiveSet.iterator();
final SSTableReader removed = it.next();
it.remove();
store.getTracker().dropSSTables(new com.google.common.base.Predicate<SSTableReader>()
{
public boolean apply(SSTableReader reader)
{
return removed.equals(reader);
}
}, OperationType.COMPACTION, null);
//retrieve sstable references from parent repair session again - removed sstable must not be present
refs = prs.getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId);
retrieved = Sets.newHashSet(refs.iterator());
assertEquals(newLiveSet, retrieved);
assertFalse(retrieved.contains(removed));
refs.release();
}
@Test
public void testAddingMoreSSTables()
{
ColumnFamilyStore store = prepareColumnFamilyStore();
Set<SSTableReader> original = Sets.newHashSet(store.select(View.select(SSTableSet.CANONICAL, (s) -> !s.isRepaired())).sstables);
UUID prsId = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(prsId, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), null, true, System.currentTimeMillis(), true);
ActiveRepairService.ParentRepairSession prs = ActiveRepairService.instance.getParentRepairSession(prsId);
prs.markSSTablesRepairing(store.metadata.cfId, prsId);
try (Refs<SSTableReader> refs = prs.getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId))
{
Set<SSTableReader> retrieved = Sets.newHashSet(refs.iterator());
assertEquals(original, retrieved);
}
createSSTables(store, 2);
boolean exception = false;
try
{
UUID newPrsId = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(newPrsId, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), null, true, System.currentTimeMillis(), true);
ActiveRepairService.instance.getParentRepairSession(newPrsId).markSSTablesRepairing(store.metadata.cfId, newPrsId);
}
catch (Throwable t)
{
exception = true;
}
assertTrue(exception);
try (Refs<SSTableReader> refs = prs.getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId))
{
Set<SSTableReader> retrieved = Sets.newHashSet(refs.iterator());
assertEquals(original, retrieved);
}
}
@Test
public void testSnapshotAddSSTables() throws ExecutionException, InterruptedException
{
ColumnFamilyStore store = prepareColumnFamilyStore();
UUID prsId = UUID.randomUUID();
Set<SSTableReader> original = Sets.newHashSet(store.select(View.select(SSTableSet.CANONICAL, (s) -> !s.isRepaired())).sstables);
ActiveRepairService.instance.registerParentRepairSession(prsId, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), Collections.singleton(new Range<>(store.getPartitioner().getMinimumToken(), store.getPartitioner().getMinimumToken())), true, System.currentTimeMillis(), true);
ActiveRepairService.instance.getParentRepairSession(prsId).maybeSnapshot(store.metadata.cfId, prsId);
UUID prsId2 = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(prsId2, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), Collections.singleton(new Range<>(store.getPartitioner().getMinimumToken(), store.getPartitioner().getMinimumToken())), true, System.currentTimeMillis(), true);
createSSTables(store, 2);
ActiveRepairService.instance.getParentRepairSession(prsId).maybeSnapshot(store.metadata.cfId, prsId);
try (Refs<SSTableReader> refs = ActiveRepairService.instance.getParentRepairSession(prsId).getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId))
{
assertEquals(original, Sets.newHashSet(refs.iterator()));
}
store.forceMajorCompaction();
// after a major compaction the original sstables will be gone and we will have no sstables to anticompact:
try (Refs<SSTableReader> refs = ActiveRepairService.instance.getParentRepairSession(prsId).getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId))
{
assertEquals(0, refs.size());
}
}
@Test
public void testSnapshotMultipleRepairs()
{
ColumnFamilyStore store = prepareColumnFamilyStore();
Set<SSTableReader> original = Sets.newHashSet(store.select(View.select(SSTableSet.CANONICAL, (s) -> !s.isRepaired())).sstables);
UUID prsId = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(prsId, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), Collections.singleton(new Range<>(store.getPartitioner().getMinimumToken(), store.getPartitioner().getMinimumToken())), true, System.currentTimeMillis(), true);
ActiveRepairService.instance.getParentRepairSession(prsId).maybeSnapshot(store.metadata.cfId, prsId);
UUID prsId2 = UUID.randomUUID();
ActiveRepairService.instance.registerParentRepairSession(prsId2, FBUtilities.getBroadcastAddress(), Collections.singletonList(store), Collections.singleton(new Range<>(store.getPartitioner().getMinimumToken(), store.getPartitioner().getMinimumToken())), true, System.currentTimeMillis(), true);
boolean exception = false;
try
{
ActiveRepairService.instance.getParentRepairSession(prsId2).maybeSnapshot(store.metadata.cfId, prsId2);
}
catch (Throwable t)
{
exception = true;
}
assertTrue(exception);
try (Refs<SSTableReader> refs = ActiveRepairService.instance.getParentRepairSession(prsId).getActiveRepairedSSTableRefsForAntiCompaction(store.metadata.cfId, prsId))
{
assertEquals(original, Sets.newHashSet(refs.iterator()));
}
}
private ColumnFamilyStore prepareColumnFamilyStore()
{
Keyspace keyspace = Keyspace.open(KEYSPACE5);
ColumnFamilyStore store = keyspace.getColumnFamilyStore(CF_STANDARD1);
store.truncateBlocking();
store.disableAutoCompaction();
createSSTables(store, 10);
return store;
}
private void createSSTables(ColumnFamilyStore cfs, int count)
{
long timestamp = System.currentTimeMillis();
for (int i = 0; i < count; i++)
{
for (int j = 0; j < 10; j++)
{
new RowUpdateBuilder(cfs.metadata, timestamp, Integer.toString(j))
.clustering("c")
.add("val", "val")
.build()
.applyUnsafe();
}
cfs.forceBlockingFlush();
}
}
}