unsafe recovery: Fix learner nodes got ignored in auto detect mode er…

…ror (tikv#6691) ref tikv#6683, close tikv#6690 Fix learner nodes got ignored in auto detect mode error Signed-off-by: Yang Zhang <[email protected]> Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
ti-chi-bot · Jun 29, 2023 · 6fb1419 · 6fb1419
1 parent 898dde2
commit 6fb1419
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Showing 2 changed files with 42 additions and 3 deletions.
diff --git a/server/cluster/unsafe_recovery_controller.go b/server/cluster/unsafe_recovery_controller.go
@@ -706,9 +706,6 @@ func (u *unsafeRecoveryController) getFailedPeers(region *metapb.Region) []*meta
 
 	var failedPeers []*metapb.Peer
 	for _, peer := range region.Peers {
-		if peer.Role == metapb.PeerRole_Learner || peer.Role == metapb.PeerRole_DemotingVoter {
-			continue
-		}
 		if u.isFailed(peer) {
 			failedPeers = append(failedPeers, peer)
 		}

diff --git a/server/cluster/unsafe_recovery_controller_test.go b/server/cluster/unsafe_recovery_controller_test.go
@@ -606,6 +606,48 @@ func TestAutoDetectMode(t *testing.T) {
 	}
 }
 
+// Failed learner replica store should be considered by auto-detect mode.
+func TestAutoDetectWithOneLearner(t *testing.T) {
+	re := require.New(t)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	opts := mockconfig.NewTestOptions()
+	cluster := mockcluster.NewCluster(ctx, opts)
+	coordinator := schedule.NewCoordinator(ctx, cluster, hbstream.NewTestHeartbeatStreams(ctx, cluster.ID, cluster, true))
+	coordinator.Run()
+	for _, store := range newTestStores(1, "6.0.0") {
+		cluster.PutStore(store)
+	}
+	recoveryController := NewController(cluster)
+	re.NoError(recoveryController.RemoveFailedStores(nil, 60, true))
+
+	storeReport := pdpb.StoreReport{
+		PeerReports: []*pdpb.PeerReport{
+			{
+				RaftState: &raft_serverpb.RaftLocalState{LastIndex: 10, HardState: &eraftpb.HardState{Term: 1, Commit: 10}},
+				RegionState: &raft_serverpb.RegionLocalState{
+					Region: &metapb.Region{
+						Id:          1001,
+						RegionEpoch: &metapb.RegionEpoch{ConfVer: 7, Version: 10},
+						Peers: []*metapb.Peer{
+							{Id: 11, StoreId: 1}, {Id: 12, StoreId: 2}, {Id: 13, StoreId: 3, Role: metapb.PeerRole_Learner}}}}},
+		},
+	}
+	req := newStoreHeartbeat(1, &storeReport)
+	req.StoreReport.Step = 1
+	resp := &pdpb.StoreHeartbeatResponse{}
+	recoveryController.HandleStoreHeartbeat(req, resp)
+	hasStore3AsFailedStore := false
+	for _, failedStore := range resp.RecoveryPlan.ForceLeader.FailedStores {
+		if failedStore == 3 {
+			hasStore3AsFailedStore = true
+			break
+		}
+	}
+	re.True(hasStore3AsFailedStore)
+}
+
 func TestOneLearner(t *testing.T) {
 	re := require.New(t)
 	ctx, cancel := context.WithCancel(context.Background())