do not check term for leader info by default para (#5096)

Co-authored-by: Sophie <84560950+Sophie-Xie@users.noreply.github.com>

src/meta/ActiveHostsMan.cpp

@@ -13,6 +13,7 @@
 DECLARE_int32(heartbeat_interval_secs);
 DEFINE_int32(agent_heartbeat_interval_secs, 60, "Agent heartbeat interval in seconds");
 DECLARE_uint32(expired_time_factor);
+DEFINE_bool(check_term_for_leader_info, false, "if check term when update leader info");
 
 namespace nebula {
 namespace meta {
@@ -45,14 +46,16 @@ nebula::cpp2::ErrorCode ActiveHostsMan::updateHostInfo(kvstore::KVStore* kv,
     TermID term = -1;
     nebula::cpp2::ErrorCode code;
     for (auto i = 0U; i != leaderKeys.size(); ++i) {
-      if (statusVec[i].ok()) {
-        std::tie(std::ignore, term, code) = MetaKeyUtils::parseLeaderValV3(vals[i]);
-        if (code != nebula::cpp2::ErrorCode::SUCCEEDED) {
-          LOG(INFO) << apache::thrift::util::enumNameSafe(code);
-          continue;
-        }
-        if (terms[i] <= term) {
-          continue;
+      if (FLAGS_check_term_for_leader_info) {
+        if (statusVec[i].ok()) {
+          std::tie(std::ignore, term, code) = MetaKeyUtils::parseLeaderValV3(vals[i]);
+          if (code != nebula::cpp2::ErrorCode::SUCCEEDED) {
+            LOG(INFO) << apache::thrift::util::enumNameSafe(code);
+            continue;
+          }
+          if (terms[i] <= term) {
+            continue;
+          }
         }
       }
       // write directly if not exist, or update if has greater term