mapleFU commented on code in PR #2691:
URL: https://github.com/apache/kvrocks/pull/2691#discussion_r1881333140
##########
tests/gocase/integration/replication/replication_test.go:
##########
@@ -552,3 +552,60 @@ func TestFullSyncReplication(t *testing.T) {
require.Equal(t, "bar", slaveClient.Get(ctx, "foo").Val())
})
}
+
+func TestSlaveLostMaster(t *testing.T) {
+ // integration test for #2662 and #2671
+ ctx := context.Background()
+
+ masterSrv := util.StartServer(t, map[string]string{
+ "cluster-enabled": "yes",
+ "max-replication-mb": "1",
+ "rocksdb.compression": "no",
+ "rocksdb.write_buffer_size": "1",
+ "rocksdb.target_file_size_base": "1",
+ })
+ defer func() { masterSrv.Close() }()
+ masterClient := masterSrv.NewClient()
+ defer func() { require.NoError(t, masterClient.Close()) }()
+ masterNodeID := "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx00"
+ require.NoError(t, masterClient.Do(ctx, "clusterx", "SETNODEID",
masterNodeID).Err())
+
+ replicaSrv := util.StartServer(t, map[string]string{
+ "cluster-enabled": "yes",
+ "replication-connect-timeout-ms": "5000",
+ "replication-recv-timeout-ms": "5100",
+ })
+ defer func() { replicaSrv.Close() }()
+ replicaClient := replicaSrv.NewClient()
+ // allow to run the read-only command in the replica
+ require.NoError(t, replicaClient.ReadOnly(ctx).Err())
+ defer func() { require.NoError(t, replicaClient.Close()) }()
+ replicaNodeID := "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx01"
+ require.NoError(t, replicaClient.Do(ctx, "clusterx", "SETNODEID",
replicaNodeID).Err())
+
+ proxyCtx, cancelProxy := context.WithCancel(ctx)
+ newMasterPort := util.SimpleTCPProxy(proxyCtx, t,
fmt.Sprintf("127.0.0.1:%d", masterSrv.Port()), true)
+
+ masterNodesInfo := fmt.Sprintf("%s 127.0.0.1 %d master - 0-16383\n%s
127.0.0.1 %d slave %s",
+ masterNodeID, masterSrv.Port(), replicaNodeID,
replicaSrv.Port(), masterNodeID)
+ clusterNodesInfo := fmt.Sprintf("%s 127.0.0.1 %d master - 0-16383\n%s
127.0.0.1 %d slave %s",
+ masterNodeID, newMasterPort, replicaNodeID, replicaSrv.Port(),
masterNodeID)
+ unexistNodesInfo := fmt.Sprintf("%s 127.0.0.2 %d master - 0-16383\n%s
127.0.0.1 %d slave %s",
+ masterNodeID, newMasterPort, replicaNodeID, replicaSrv.Port(),
masterNodeID)
+
+ require.NoError(t, masterClient.Do(ctx, "clusterx", "SETNODES",
masterNodesInfo, "1").Err())
+ value := strings.Repeat("a", 128*1024)
+
+ for i := 0; i < 1024; i++ {
+ require.NoError(t, masterClient.Set(ctx, fmt.Sprintf("key%d",
i), value, 0).Err())
+ }
+
+ require.NoError(t, replicaClient.Do(ctx, "clusterx", "SETNODES",
clusterNodesInfo, "1").Err())
+
+ time.Sleep(2 * time.Second)
+ cancelProxy()
+ start := time.Now()
+ require.NoError(t, replicaClient.Do(ctx, "clusterx", "SETNODES",
unexistNodesInfo, "2").Err())
+ duration := time.Since(start)
+ require.Less(t, duration, time.Second*6)
Review Comment:
Why the time out is 5000/5100 but the duration be 6 here 🤔
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