@Test public void testMigrateToNewNode() throws InterruptedException { log.info("test migrate slot to new node"); Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>(); jedisClusterNode.add(nodeInfo1); JedisCluster jc = new JedisCluster(jedisClusterNode); node4.clusterMeet(localHost, nodeInfo1.getPort()); String node3Id = JedisClusterTestUtil.getNodeId(node3.clusterNodes()); String node4Id = JedisClusterTestUtil.getNodeId(node4.clusterNodes()); JedisClusterTestUtil.waitForClusterReady(node4); node3.clusterSetSlotMigrating(15363, node4Id); node4.clusterSetSlotImporting(15363, node3Id); try { node4.set("e", "e"); } catch (JedisMovedDataException jme) { assertEquals(15363, jme.getSlot()); assertEquals(new HostAndPort(localHost, nodeInfo3.getPort()), jme.getTargetNode()); } try { node3.set("e", "e"); } catch (JedisAskDataException jae) { assertEquals(15363, jae.getSlot()); assertEquals(new HostAndPort(localHost, nodeInfo4.getPort()), jae.getTargetNode()); } jc.set("e", "e"); try { node4.get("e"); } catch (JedisMovedDataException jme) { assertEquals(15363, jme.getSlot()); assertEquals(new HostAndPort(localHost, nodeInfo3.getPort()), jme.getTargetNode()); } try { node3.get("e"); } catch (JedisAskDataException jae) { assertEquals(15363, jae.getSlot()); assertEquals(new HostAndPort(localHost, nodeInfo4.getPort()), jae.getTargetNode()); } assertEquals("e", jc.get("e")); node4.clusterSetSlotNode(15363, node4Id); node3.clusterSetSlotNode(15363, node4Id); // assertEquals("e", jc.get("e")); assertEquals("e", node4.get("e")); // assertEquals("e", node3.get("e")); }
@Test public void testRecalculateSlotsWhenMoved() throws InterruptedException { Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>(); jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379)); JedisCluster jc = new JedisCluster(jedisClusterNode); int slot51 = JedisClusterCRC16.getSlot("51"); node2.clusterDelSlots(slot51); node3.clusterDelSlots(slot51); node3.clusterAddSlots(slot51); JedisClusterTestUtil.waitForClusterReady(node1, node2, node3); jc.set("51", "foo"); assertEquals("foo", jc.get("51")); }
@Before public void setUp() throws InterruptedException { node1 = new Jedis(nodeInfo1.getHost(), nodeInfo1.getPort()); node1.connect(); node1.flushAll(); node2 = new Jedis(nodeInfo2.getHost(), nodeInfo2.getPort()); node2.connect(); node2.flushAll(); node3 = new Jedis(nodeInfo3.getHost(), nodeInfo3.getPort()); node3.connect(); node3.flushAll(); node4 = new Jedis(nodeInfo4.getHost(), nodeInfo4.getPort()); node4.connect(); node4.flushAll(); nodeSlave2 = new Jedis(nodeInfoSlave2.getHost(), nodeInfoSlave2.getPort()); nodeSlave2.connect(); nodeSlave2.flushAll(); // ---- configure cluster // add nodes to cluster node1.clusterMeet(localHost, nodeInfo2.getPort()); node1.clusterMeet(localHost, nodeInfo3.getPort()); // split available slots across the three nodes int slotsPerNode = JedisCluster.HASHSLOTS / 3; int[] node1Slots = new int[slotsPerNode]; int[] node2Slots = new int[slotsPerNode + 1]; int[] node3Slots = new int[slotsPerNode]; for (int i = 0, slot1 = 0, slot2 = 0, slot3 = 0; i < JedisCluster.HASHSLOTS; i++) { if (i < slotsPerNode) { node1Slots[slot1++] = i; } else if (i > slotsPerNode * 2) { node3Slots[slot3++] = i; } else { node2Slots[slot2++] = i; } } node1.clusterAddSlots(node1Slots); node2.clusterAddSlots(node2Slots); node3.clusterAddSlots(node3Slots); JedisClusterTestUtil.waitForClusterReady(node1, node2, node3); }
@Test public void testReadonly() throws Exception { node1.clusterMeet(localHost, nodeInfoSlave2.getPort()); JedisClusterTestUtil.waitForClusterReady(node1, node2, node3, nodeSlave2); for (String nodeInfo : node2.clusterNodes().split("\n")) { if (nodeInfo.contains("myself")) { nodeSlave2.clusterReplicate(nodeInfo.split(" ")[0]); break; } } try { nodeSlave2.get("test"); fail(); } catch (JedisMovedDataException e) { } nodeSlave2.readonly(); nodeSlave2.get("test"); nodeSlave2.clusterReset(Reset.SOFT); nodeSlave2.flushDB(); }