@Parameters(name = "{index}: serialPeer={0}, syncPeer={1}")
  public static List<Object[]> parameters() {
    return ImmutableList.of(new Object[] { false, false }, new Object[] { false, true },
      new Object[] { true, false }, new Object[] { true, true });
  }
Test handling of changes to the number of a peer's regionservers.
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationChangingPeerRegionservers.java