From 292e9afd3da70583a26fde3fdc9923e9c6d54e5f Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Wed, 18 May 2022 15:14:23 +0800
Subject: [PATCH] fix: restart killed child process

---
 source/dnode/mgmt/node_mgmt/src/dmNodes.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/dnode/mgmt/node_mgmt/src/dmNodes.c b/source/dnode/mgmt/node_mgmt/src/dmNodes.c
index ff9d4089cd..f23db5da16 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmNodes.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmNodes.c
@@ -58,6 +58,7 @@ static int32_t dmNewProc(SMgmtWrapper *pWrapper, EDndNodeType ntype) {
     return -1;
   }
 
+  taosIgnSignal(SIGCHLD);
   pWrapper->proc.pid = pid;
   dInfo("node:%s, continue running in new process:%d", pWrapper->name, pid);
   return 0;
@@ -254,7 +255,7 @@ static void dmWatchNodes(SDnode *pDnode) {
     if (!OnlyInParentProc(pWrapper)) continue;
 
     if (proc->pid <= 0 || !taosProcExist(proc->pid)) {
-      dWarn("node:%s, process:%d is killed and needs to restart", pWrapper->name, proc->pid);
+      dError("node:%s, process:%d is killed and needs to restart", pWrapper->name, proc->pid);
       dmCloseProcRpcHandles(&pWrapper->proc);
       dmNewProc(pWrapper, ntype);
     }