Bug#32776593 NOT ALL DATA NODE TO DATA NODE CONNECTIONS SEND HEART BEAT MESSAGING [3/3]

Add configuration parameter KeepAliveSendInterval.

Zero disables sending keep alive signal.

Values less than 10ms will be treated as 10ms.

Change-Id: I1cbcc1128596ad2a30c3b886b00e549ede94ed3a

Author: zmur

storage/ndb/include/mgmapi/mgmapi_config_parameters.h

@@ -263,6 +263,7 @@
 
 #define CFG_DB_NUM_CPUS               676
 #define CFG_DB_AUTO_THREAD_CONFIG     677
+#define CFG_DB_TRP_KEEP_ALIVE_SEND_INTERVAL 678
 
 #define CFG_NODE_ARBIT_RANK           200
 #define CFG_NODE_ARBIT_DELAY          201

storage/ndb/src/kernel/blocks/qmgr/QmgrInit.cpp

@@ -112,7 +112,15 @@ void Qmgr::initData()
   interface_check_timer.setDelay(1000);
   interface_check_timer.reset(now);
 
-  setTrpKeepAliveSendDelay(60*1000); // 1 minute
+  Uint32 trp_keep_alive_send_interval = 60*1000; // 1 minute
+  ndb_mgm_get_int_parameter(p, CFG_DB_TRP_KEEP_ALIVE_SEND_INTERVAL,
+                            &trp_keep_alive_send_interval);
+  if (trp_keep_alive_send_interval > 0 &&
+      trp_keep_alive_send_interval < 10)
+  {
+    trp_keep_alive_send_interval = 10;
+  }
+  setTrpKeepAliveSendDelay(trp_keep_alive_send_interval);
   c_keepalive_seqnum = 0;
 
 #ifdef ERROR_INSERT

storage/ndb/src/kernel/blocks/qmgr/QmgrMain.cpp

@@ -3568,7 +3568,8 @@ void Qmgr::timerHandlingLab(Signal* signal)
     apiHbHandlingLab(signal, TcurrentTime);
   }
 
-  if (ka_send_timer.check(TcurrentTime))
+  if (ka_send_timer.getDelay() > 0 &&
+      ka_send_timer.check(TcurrentTime))
   {
     jam();
     ka_send_timer.reset(TcurrentTime);

storage/ndb/src/mgmsrv/ConfigInfo.cpp

@@ -1130,6 +1130,18 @@ const ConfigInfo::ParamInfo ConfigInfo::m_ParamInfo[] = {
     "10",
     STR_VALUE(MAX_INT_RNIL) },
 
+  {
+    CFG_DB_TRP_KEEP_ALIVE_SEND_INTERVAL,
+    "KeepAliveSendInterval",
+    DB_TOKEN,
+    "Time between sending keep alive signals on " DB_TOKEN_PRINT "-" DB_TOKEN_PRINT " links",
+    ConfigInfo::CI_USED,
+    0,
+    ConfigInfo::CI_INT,
+    "60000",
+    "0",
+    STR_VALUE(MAX_INT_RNIL) },
+
   {
     CFG_DB_CONNECT_CHECK_DELAY,
     "ConnectCheckIntervalDelay",