Examples with RaftGroupMemberId org.apache.ratis.protocol.RaftGroupMemberId used on opensource projects

Example 6 with RaftGroupMemberId

use of org.apache.ratis.protocol.RaftGroupMemberId in project incubator-ratis by apache.

the class MemoryRaftLogTest method testEntryDoNotPerformTruncation.

@Test
public void testEntryDoNotPerformTruncation() throws Exception {
    final RaftProperties prop = new RaftProperties();
    prop.setClass(MiniRaftCluster.STATEMACHINE_CLASS_KEY, SimpleStateMachine4Testing.class, StateMachine.class);
    final RaftPeerId peerId = RaftPeerId.valueOf("s0");
    final RaftGroupId groupId = RaftGroupId.randomId();
    final RaftGroupMemberId memberId = RaftGroupMemberId.valueOf(peerId, groupId);
    MemoryRaftLog raftLog = new MemoryRaftLog(memberId, () -> -1, prop);
    raftLog.open(RaftLog.INVALID_LOG_INDEX, null);
    LogEntryProto[] entries1 = new LogEntryProto[2];
    entries1[0] = LogEntryProto.newBuilder().setIndex(0).setTerm(0).build();
    entries1[1] = LogEntryProto.newBuilder().setIndex(1).setTerm(0).build();
    raftLog.append(entries1).forEach(CompletableFuture::join);
    LogEntryProto[] entries2 = new LogEntryProto[1];
    entries2[0] = LogEntryProto.newBuilder().setIndex(0).setTerm(0).build();
    raftLog.append(entries2).forEach(CompletableFuture::join);
    final LogEntryHeader[] termIndices = raftLog.getEntries(0, 10);
    assertEquals(2, termIndices.length);
    for (int i = 0; i < 2; i++) {
        assertEquals(entries1[i].getIndex(), termIndices[i].getIndex());
        assertEquals(entries1[i].getTerm(), termIndices[i].getTerm());
    }
}

Example 7 with RaftGroupMemberId

use of org.apache.ratis.protocol.RaftGroupMemberId in project incubator-ratis by apache.

the class TestCacheEviction method testEvictionInSegmentedLog.

@Test
public void testEvictionInSegmentedLog() throws Exception {
    final RaftProperties prop = new RaftProperties();
    prop.setClass(MiniRaftCluster.STATEMACHINE_CLASS_KEY, SimpleStateMachine4Testing.class, StateMachine.class);
    RaftServerConfigKeys.Log.setSegmentSizeMax(prop, SizeInBytes.valueOf("8KB"));
    RaftServerConfigKeys.Log.setPreallocatedSize(prop, SizeInBytes.valueOf("8KB"));
    final RaftPeerId peerId = RaftPeerId.valueOf("s0");
    final RaftGroupId groupId = RaftGroupId.randomId();
    final RaftGroupMemberId memberId = RaftGroupMemberId.valueOf(peerId, groupId);
    final int maxCachedNum = RaftServerConfigKeys.Log.segmentCacheNumMax(prop);
    File storageDir = getTestDir();
    RaftServerConfigKeys.setStorageDir(prop, Collections.singletonList(storageDir));
    RaftStorage storage = RaftStorageTestUtils.newRaftStorage(storageDir);
    final DivisionInfo info = Mockito.mock(DivisionInfo.class);
    Mockito.when(info.getLastAppliedIndex()).thenReturn(0L);
    Mockito.when(info.getFollowerNextIndices()).thenReturn(new long[] {});
    final SegmentedRaftLog raftLog = RaftServerTestUtil.newSegmentedRaftLog(memberId, info, storage, prop);
    raftLog.open(RaftLog.INVALID_LOG_INDEX, null);
    List<SegmentRange> slist = TestSegmentedRaftLog.prepareRanges(0, maxCachedNum, 7, 0);
    LogEntryProto[] entries = generateEntries(slist);
    raftLog.append(entries).forEach(CompletableFuture::join);
    // check the current cached segment number: the last segment is still open
    Assert.assertEquals(maxCachedNum - 1, raftLog.getRaftLogCache().getCachedSegmentNum());
    Mockito.when(info.getLastAppliedIndex()).thenReturn(35L);
    Mockito.when(info.getFollowerNextIndices()).thenReturn(new long[] { 21, 40, 40 });
    slist = TestSegmentedRaftLog.prepareRanges(maxCachedNum, maxCachedNum + 2, 7, 7 * maxCachedNum);
    entries = generateEntries(slist);
    raftLog.append(entries).forEach(CompletableFuture::join);
    // check the cached segment number again. since the slowest follower is on
    // index 21, the eviction should happen and evict 3 segments
    Assert.assertEquals(maxCachedNum + 1 - 3, raftLog.getRaftLogCache().getCachedSegmentNum());
}

Example 8 with RaftGroupMemberId

use of org.apache.ratis.protocol.RaftGroupMemberId in project incubator-ratis by apache.

the class TestGrpcServerMetrics method setUp.

@BeforeClass
public static void setUp() throws Exception {
    raftGroupId = RaftGroupId.randomId();
    raftPeerId = RaftPeerId.valueOf("TestId");
    followerId = RaftPeerId.valueOf("FollowerId");
    RaftGroupMemberId raftGroupMemberId = RaftGroupMemberId.valueOf(raftPeerId, raftGroupId);
    grpcServerMetrics = new GrpcServerMetrics(raftGroupMemberId.toString());
    ratisMetricRegistry = grpcServerMetrics.getRegistry();
}

Example 9 with RaftGroupMemberId

use of org.apache.ratis.protocol.RaftGroupMemberId in project incubator-ratis by apache.

the class RaftBasicTests method checkFollowerCommitLagsLeader.

private static void checkFollowerCommitLagsLeader(MiniRaftCluster cluster) {
    final List<RaftServer.Division> followers = cluster.getFollowers();
    final RaftGroupMemberId leader = cluster.getLeader().getMemberId();
    Gauge leaderCommitGauge = RaftServerMetricsImpl.getPeerCommitIndexGauge(leader, leader.getPeerId());
    for (RaftServer.Division f : followers) {
        final RaftGroupMemberId follower = f.getMemberId();
        Gauge followerCommitGauge = RaftServerMetricsImpl.getPeerCommitIndexGauge(leader, follower.getPeerId());
        Assert.assertTrue((Long) leaderCommitGauge.getValue() >= (Long) followerCommitGauge.getValue());
        Gauge followerMetric = RaftServerMetricsImpl.getPeerCommitIndexGauge(follower, follower.getPeerId());
        System.out.println(followerCommitGauge.getValue());
        System.out.println(followerMetric.getValue());
        Assert.assertTrue((Long) followerCommitGauge.getValue() <= (Long) followerMetric.getValue());
    }
}