Examples with FinalizedReplica org.apache.hadoop.hdfs.server.datanode.FinalizedReplica used on opensource projects

Example 11 with FinalizedReplica

use of org.apache.hadoop.hdfs.server.datanode.FinalizedReplica in project hadoop by apache.

the class TestFsDatasetImpl method testDuplicateReplicaResolution.

@Test
public void testDuplicateReplicaResolution() throws IOException {
    FsVolumeImpl fsv1 = Mockito.mock(FsVolumeImpl.class);
    FsVolumeImpl fsv2 = Mockito.mock(FsVolumeImpl.class);
    File f1 = new File("d1/block");
    File f2 = new File("d2/block");
    ReplicaInfo replicaOlder = new FinalizedReplica(1, 1, 1, fsv1, f1);
    ReplicaInfo replica = new FinalizedReplica(1, 2, 2, fsv1, f1);
    ReplicaInfo replicaSame = new FinalizedReplica(1, 2, 2, fsv1, f1);
    ReplicaInfo replicaNewer = new FinalizedReplica(1, 3, 3, fsv1, f1);
    ReplicaInfo replicaOtherOlder = new FinalizedReplica(1, 1, 1, fsv2, f2);
    ReplicaInfo replicaOtherSame = new FinalizedReplica(1, 2, 2, fsv2, f2);
    ReplicaInfo replicaOtherNewer = new FinalizedReplica(1, 3, 3, fsv2, f2);
    // equivalent path so don't remove either
    assertNull(BlockPoolSlice.selectReplicaToDelete(replicaSame, replica));
    assertNull(BlockPoolSlice.selectReplicaToDelete(replicaOlder, replica));
    assertNull(BlockPoolSlice.selectReplicaToDelete(replicaNewer, replica));
    // keep latest found replica
    assertSame(replica, BlockPoolSlice.selectReplicaToDelete(replicaOtherSame, replica));
    assertSame(replicaOtherOlder, BlockPoolSlice.selectReplicaToDelete(replicaOtherOlder, replica));
    assertSame(replica, BlockPoolSlice.selectReplicaToDelete(replicaOtherNewer, replica));
}