diff --git a/.github/workflows/CI-3p-mysql-connector-j.yml b/.github/workflows/CI-3p-mysql-connector-j.yml
index 9101d0194e..2389589849 100644
--- a/.github/workflows/CI-3p-mysql-connector-j.yml
+++ b/.github/workflows/CI-3p-mysql-connector-j.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-basictests.yml b/.github/workflows/CI-basictests.yml
index a508dafef8..c67c20e55e 100644
--- a/.github/workflows/CI-basictests.yml
+++ b/.github/workflows/CI-basictests.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   cache:
diff --git a/.github/workflows/CI-builds.yml b/.github/workflows/CI-builds.yml
index d907710847..0afd290b79 100644
--- a/.github/workflows/CI-builds.yml
+++ b/.github/workflows/CI-builds.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-cb_taptests.yml b/.github/workflows/CI-cb_taptests.yml
index 5a6566c629..986d5d8e4d 100644
--- a/.github/workflows/CI-cb_taptests.yml
+++ b/.github/workflows/CI-cb_taptests.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-codeql.yml b/.github/workflows/CI-codeql.yml
index 368ef5409c..1d71497b44 100644
--- a/.github/workflows/CI-codeql.yml
+++ b/.github/workflows/CI-codeql.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-maketest.yml b/.github/workflows/CI-maketest.yml
index c31168d15b..8c2b25a97b 100644
--- a/.github/workflows/CI-maketest.yml
+++ b/.github/workflows/CI-maketest.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-package-build.yml b/.github/workflows/CI-package-build.yml
index 4ad70c2493..5ee9b902d8 100644
--- a/.github/workflows/CI-package-build.yml
+++ b/.github/workflows/CI-package-build.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-repltests.yml b/.github/workflows/CI-repltests.yml
index 401133f336..ea067e70fc 100644
--- a/.github/workflows/CI-repltests.yml
+++ b/.github/workflows/CI-repltests.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-selftests.yml b/.github/workflows/CI-selftests.yml
index 5c96b11a86..13461ed60f 100644
--- a/.github/workflows/CI-selftests.yml
+++ b/.github/workflows/CI-selftests.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   cache:
diff --git a/.github/workflows/CI-shuntest.yml b/.github/workflows/CI-shuntest.yml
index 6a8e11e0b4..406ac6af30 100644
--- a/.github/workflows/CI-shuntest.yml
+++ b/.github/workflows/CI-shuntest.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   run:
diff --git a/.github/workflows/CI-taptests-groups.yml b/.github/workflows/CI-taptests-groups.yml
index 81a6fc04d0..b44dd79a66 100644
--- a/.github/workflows/CI-taptests-groups.yml
+++ b/.github/workflows/CI-taptests-groups.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   cache:
diff --git a/.github/workflows/CI-taptests-ssl.yml b/.github/workflows/CI-taptests-ssl.yml
index e86f07ace3..94812e613f 100644
--- a/.github/workflows/CI-taptests-ssl.yml
+++ b/.github/workflows/CI-taptests-ssl.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   cache:
diff --git a/.github/workflows/CI-taptests.yml b/.github/workflows/CI-taptests.yml
index 414cfc58ee..490f0d7298 100644
--- a/.github/workflows/CI-taptests.yml
+++ b/.github/workflows/CI-taptests.yml
@@ -17,7 +17,6 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref_name }}
-#  cancel-in-progress: false
 
 jobs:
   cache:
diff --git a/lib/MySQL_Monitor.cpp b/lib/MySQL_Monitor.cpp
index 8afc846150..f0db67eafa 100644
--- a/lib/MySQL_Monitor.cpp
+++ b/lib/MySQL_Monitor.cpp
@@ -5265,7 +5265,7 @@ void MySQL_Monitor::populate_monitor_mysql_server_galera_log() {
 	int rc;
 	//char *query=NULL;
 	char *query1=NULL;
-	query1=(char *)"INSERT INTO mysql_server_galera_log VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12, ?13)";
+	query1=(char *)"INSERT OR IGNORE INTO mysql_server_galera_log VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12, ?13)";
 	sqlite3_stmt *statement1=NULL;
 	pthread_mutex_lock(&GloMyMon->galera_mutex);
 	//rc=(*proxy_sqlite3_prepare_v2)(mondb, query1, -1, &statement1, 0);
@@ -8014,7 +8014,7 @@ bool MySQL_Monitor::monitor_galera_process_ready_tasks(const std::vector<MySQL_M
 void MySQL_Monitor::monitor_galera_async() {
 
 	std::vector<std::unique_ptr<MySQL_Monitor_State_Data>> mmsds;
-
+	std::set<std::string> checked_servers;
 	pthread_mutex_lock(&galera_mutex);
 	assert(Galera_Hosts_resultset);
 	mmsds.reserve(Galera_Hosts_resultset->rows_count);
@@ -8022,6 +8022,11 @@ void MySQL_Monitor::monitor_galera_async() {
 
 	for (std::vector<SQLite3_row*>::iterator it = Galera_Hosts_resultset->rows.begin(); it != Galera_Hosts_resultset->rows.end(); ++it) {
 		const SQLite3_row* r = *it;
+		// r->fields[0] = writer_hostgroup, r->fields[1] = hostname, r->fields[2] = port
+		auto ret = checked_servers.insert(std::string(r->fields[0]) + ":" + std::string(r->fields[1]) + ":" + std::string(r->fields[2]));
+		if (ret.second == false) // duplicate server entry
+			continue;
+
 		bool rc_ping = server_responds_to_ping(r->fields[1], atoi(r->fields[2]));
 		if (rc_ping) { // only if server is responding to pings