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raftstore/hibernate: wake up for more cases (tikv#6672)
Signed-off-by: Jay Lee <BusyJayLee@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| // Copyright 2019 TiKV Project Authors. Licensed under Apache-2.0. | ||
|
|
||
| use std::sync::*; | ||
| use std::thread; | ||
| use std::time::*; | ||
|
|
||
| use raft::eraftpb::MessageType; | ||
|
|
||
| use test_raftstore::*; | ||
| use tikv_util::HandyRwLock; | ||
|
|
||
| /// Tests whether single voter still replicates log to learner after restart. | ||
| /// | ||
| /// A voter will become leader in a single tick. The case check if the role | ||
| /// change is detected correctly. | ||
| #[test] | ||
| fn test_single_voter_restart() { | ||
| let mut cluster = new_server_cluster(0, 2); | ||
| configure_for_hibernate(&mut cluster); | ||
| cluster.pd_client.disable_default_operator(); | ||
| cluster.run_conf_change(); | ||
| cluster.pd_client.must_add_peer(1, new_learner_peer(2, 2)); | ||
| cluster.must_put(b"k1", b"v1"); | ||
| must_get_equal(&cluster.get_engine(2), b"k1", b"v1"); | ||
| cluster.stop_node(2); | ||
| cluster.must_put(b"k2", b"v2"); | ||
| cluster.stop_node(1); | ||
| // Restart learner first to avoid network influence. | ||
| cluster.run_node(2).unwrap(); | ||
| cluster.run_node(1).unwrap(); | ||
| must_get_equal(&cluster.get_engine(2), b"k2", b"v2"); | ||
| } | ||
|
|
||
| /// Tests whether an isolated learner can be prompted to voter. | ||
| #[test] | ||
| fn test_prompt_learner() { | ||
| let mut cluster = new_server_cluster(0, 4); | ||
| configure_for_hibernate(&mut cluster); | ||
| cluster.cfg.raft_store.raft_log_gc_count_limit = 20; | ||
| cluster.pd_client.disable_default_operator(); | ||
| cluster.run_conf_change(); | ||
| cluster.pd_client.must_add_peer(1, new_peer(2, 2)); | ||
| cluster.pd_client.must_add_peer(1, new_peer(3, 3)); | ||
|
|
||
| cluster.pd_client.must_add_peer(1, new_learner_peer(4, 4)); | ||
| cluster.must_put(b"k1", b"v1"); | ||
| must_get_equal(&cluster.get_engine(4), b"k1", b"v1"); | ||
|
|
||
| // Suppose there is only one way partition. | ||
| cluster.add_send_filter(CloneFilterFactory( | ||
| RegionPacketFilter::new(1, 3).direction(Direction::Send), | ||
| )); | ||
| cluster.add_send_filter(CloneFilterFactory( | ||
| RegionPacketFilter::new(1, 4).direction(Direction::Send), | ||
| )); | ||
| let idx = cluster.truncated_state(1, 1).get_index(); | ||
| // Trigger a log compaction. | ||
| for i in 0..cluster.cfg.raft_store.raft_log_gc_count_limit * 2 { | ||
| cluster.must_put(format!("k{}", i).as_bytes(), format!("v{}", i).as_bytes()); | ||
| } | ||
| let timer = Instant::now(); | ||
| loop { | ||
| if cluster.truncated_state(1, 1).get_index() > idx { | ||
| break; | ||
| } | ||
| thread::sleep(Duration::from_millis(10)); | ||
| if timer.elapsed() > Duration::from_secs(3) { | ||
| panic!("log is not compact after 3 seconds"); | ||
| } | ||
| } | ||
| // Wait till leader peer goes to sleep again. | ||
| thread::sleep( | ||
| cluster.cfg.raft_store.raft_base_tick_interval.0 | ||
| * 2 | ||
| * cluster.cfg.raft_store.raft_election_timeout_ticks as u32, | ||
| ); | ||
| cluster.clear_send_filters(); | ||
| cluster.add_send_filter(CloneFilterFactory( | ||
| RegionPacketFilter::new(1, 3).direction(Direction::Send), | ||
| )); | ||
| cluster.pd_client.must_add_peer(1, new_peer(4, 4)); | ||
| } | ||
|
|
||
| /// Tests whether leader resumes correctly when pre-transfer | ||
| /// leader response is delayed more than an election timeout. | ||
| #[test] | ||
| fn test_transfer_leader_delay() { | ||
| let mut cluster = new_node_cluster(0, 3); | ||
| configure_for_hibernate(&mut cluster); | ||
| cluster.run(); | ||
| cluster.must_transfer_leader(1, new_peer(1, 1)); | ||
| cluster.must_put(b"k1", b"v1"); | ||
| must_get_equal(&cluster.get_engine(3), b"k1", b"v1"); | ||
|
|
||
| let messages = Arc::new(Mutex::new(vec![])); | ||
| cluster.add_send_filter(CloneFilterFactory( | ||
| RegionPacketFilter::new(1, 3) | ||
| .direction(Direction::Send) | ||
| .msg_type(MessageType::MsgTransferLeader) | ||
| .reserve_dropped(messages.clone()), | ||
| )); | ||
| cluster.transfer_leader(1, new_peer(3, 3)); | ||
| let timer = Instant::now(); | ||
| while timer.elapsed() < Duration::from_secs(3) && messages.lock().unwrap().is_empty() { | ||
| thread::sleep(Duration::from_millis(10)); | ||
| } | ||
| assert_eq!(messages.lock().unwrap().len(), 1); | ||
| // Wait till leader peer goes to sleep again. | ||
| thread::sleep( | ||
| cluster.cfg.raft_store.raft_base_tick_interval.0 | ||
| * 2 | ||
| * cluster.cfg.raft_store.raft_election_timeout_ticks as u32, | ||
| ); | ||
| cluster.clear_send_filters(); | ||
| cluster.add_send_filter(CloneFilterFactory(DropMessageFilter::new( | ||
| MessageType::MsgTimeoutNow, | ||
| ))); | ||
| let router = cluster.sim.wl().get_router(1).unwrap(); | ||
| router | ||
| .send_raft_message(messages.lock().unwrap().pop().unwrap()) | ||
| .unwrap(); | ||
| let timer = Instant::now(); | ||
| while timer.elapsed() < Duration::from_secs(3) { | ||
| let resp = cluster.request( | ||
| b"k2", | ||
| vec![new_put_cmd(b"k2", b"v2")], | ||
| false, | ||
| Duration::from_secs(5), | ||
| ); | ||
| let header = resp.get_header(); | ||
| if !header.has_error() { | ||
| return; | ||
| } | ||
| if !header | ||
| .get_error() | ||
| .get_message() | ||
| .contains("proposal dropped") | ||
| { | ||
| panic!("response {:?} has error", resp); | ||
| } | ||
| thread::sleep(Duration::from_millis(10)); | ||
| } | ||
| panic!("failed to request after 3 seconds"); | ||
| } |