From 4f501850dda71646f455e3af55e9d9554aaf4e7a Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Tue, 28 Dec 2021 16:47:45 +0800
Subject: [PATCH] [TS-981]<fix>(other): new config parameter offlineInterval

---
 src/balance/src/bnMain.c |  2 +-
 src/common/inc/tglobal.h |  1 +
 src/common/src/tglobal.c | 11 +++++++++++
 src/util/inc/tconfig.h   |  2 +-
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/balance/src/bnMain.c b/src/balance/src/bnMain.c
index 9997d44ca5..e23bdc654e 100644
--- a/src/balance/src/bnMain.c
+++ b/src/balance/src/bnMain.c
@@ -567,7 +567,7 @@ void bnCheckStatus() {
   while (1) {
     pIter = mnodeGetNextDnode(pIter, &pDnode);
     if (pDnode == NULL) break;
-    if (tsAccessSquence - pDnode->lastAccess > 3) {
+    if (tsAccessSquence - pDnode->lastAccess > tsOfflineInterval) {
       if (pDnode->status != TAOS_DN_STATUS_DROPPING && pDnode->status != TAOS_DN_STATUS_OFFLINE) {
         pDnode->status = TAOS_DN_STATUS_OFFLINE;
         pDnode->offlineReason = TAOS_DN_OFF_STATUS_MSG_TIMEOUT;
diff --git a/src/common/inc/tglobal.h b/src/common/inc/tglobal.h
index 81c6f8bd44..c52da890fc 100644
--- a/src/common/inc/tglobal.h
+++ b/src/common/inc/tglobal.h
@@ -110,6 +110,7 @@ extern int8_t  tsCacheLastRow;
 extern int8_t  tsEnableBalance;
 extern int8_t  tsAlternativeRole;
 extern int32_t tsBalanceInterval;
+extern int32_t tsOfflineInterval;
 extern int32_t tsOfflineThreshold;
 extern int32_t tsMnodeEqualVnodeNum;
 extern int8_t  tsEnableFlowCtrl;
diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index d5b51ddcc6..53ee4fab3f 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -149,6 +149,7 @@ int32_t tsTableIncStepPerVnode = TSDB_TABLES_STEP;
 int8_t  tsEnableBalance = 1;
 int8_t  tsAlternativeRole = 0;
 int32_t tsBalanceInterval = 300;          // seconds
+int32_t tsOfflineInterval = 3;          // seconds
 int32_t tsOfflineThreshold = 86400 * 10;  // seconds of 10 days
 int32_t tsMnodeEqualVnodeNum = 4;
 int8_t  tsEnableFlowCtrl = 1;
@@ -621,6 +622,16 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
+  cfg.option = "offlineInterval";
+  cfg.ptr = &tsOfflineInterval;
+  cfg.valType = TAOS_CFG_VTYPE_INT32;
+  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
+  cfg.minValue = 1;
+  cfg.maxValue = 600;
+  cfg.ptrLength = 0;
+  cfg.unitType = TAOS_CFG_UTYPE_NONE;
+  taosInitConfigOption(cfg);
+
   // 0-any; 1-mnode; 2-vnode
   cfg.option = "role";
   cfg.ptr = &tsAlternativeRole;
diff --git a/src/util/inc/tconfig.h b/src/util/inc/tconfig.h
index b3d7fcd0a0..c2245333ec 100644
--- a/src/util/inc/tconfig.h
+++ b/src/util/inc/tconfig.h
@@ -20,7 +20,7 @@
 extern "C" {
 #endif
 
-#define TSDB_CFG_MAX_NUM    123
+#define TSDB_CFG_MAX_NUM    124
 #define TSDB_CFG_PRINT_LEN  23
 #define TSDB_CFG_OPTION_LEN 24
 #define TSDB_CFG_VALUE_LEN  41
-- 
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