diff --git a/include/sqlite3db.h b/include/sqlite3db.h
index 7f82297a9..67a9f584b 100644
--- a/include/sqlite3db.h
+++ b/include/sqlite3db.h
@@ -85,6 +85,9 @@ class SQLite3_result {
 	public:
 	int columns;
 	int rows_count;
+	char *checksum();
+	int64_t raw_checksum();
+
 	std::vector<SQLite3_column *> column_definition;
 	std::vector<SQLite3_row *> rows;
 	SQLite3_result() {
diff --git a/lib/ProxySQL_Admin.cpp b/lib/ProxySQL_Admin.cpp
index c1160a79a..83e7f95ed 100644
--- a/lib/ProxySQL_Admin.cpp
+++ b/lib/ProxySQL_Admin.cpp
@@ -1365,6 +1365,110 @@ void admin_session_handler(MySQL_Session *sess, ProxySQL_Admin *pa, PtrSize_t *p
 		sprintf(query,q,PROXYSQL_VERSION);
 		goto __run_query;
 	}
+	if(!strncasecmp("CHECKSUM ", query_no_space, 9)){
+		proxy_debug(PROXYSQL_DEBUG_ADMIN, 4, "Received CHECKSUM command\n");
+		ProxySQL_Admin *SPA=(ProxySQL_Admin *)pa;
+                SQLite3_result *resultset=NULL;
+		char *tablename=NULL;
+		char *error=NULL;
+		int affected_rows=0;
+		int cols=0;
+		if (strlen(query_no_space)==strlen("CHECKSUM DISK MYSQL SERVERS") && !strncasecmp("CHECKSUM DISK MYSQL SERVERS", query_no_space, strlen(query_no_space))){
+			char *q=(char *)"SELECT * FROM mysql_servers ORDER BY hostgroup_id, hostname, port";
+			tablename=(char *)"MYSQL SERVERS";
+			SPA->configdb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if (strlen(query_no_space)==strlen("CHECKSUM DISK MYSQL USERS") && !strncasecmp("CHECKSUM DISK MYSQL USERS", query_no_space, strlen(query_no_space))){
+			char *q=(char *)"SELECT * FROM mysql_users ORDER BY username";
+			tablename=(char *)"MYSQL USERS";
+			SPA->configdb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if (strlen(query_no_space)==strlen("CHECKSUM DISK MYSQL QUERY RULES") && !strncasecmp("CHECKSUM DISK MYSQL QUERY RULES", query_no_space, strlen(query_no_space))){
+			char *q=(char *)"SELECT * FROM mysql_query_rules ORDER BY rule_id";
+			tablename=(char *)"MYSQL QUERY RULES";
+			SPA->configdb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if (strlen(query_no_space)==strlen("CHECKSUM DISK MYSQL VARIABLES") && !strncasecmp("CHECKSUM DISK MYSQL VARIABLES", query_no_space, strlen(query_no_space))){
+			char *q=(char *)"SELECT * FROM global_variables WHERE variable_name LIKE 'mysql-%' ORDER BY variable_name";
+			tablename=(char *)"MYSQL VARIABLES";
+			SPA->configdb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+
+		}
+
+		if (strlen(query_no_space)==strlen("CHECKSUM DISK MYSQL REPLICATION HOSTGROUPS") && !strncasecmp("CHECKSUM DISK MYSQL REPLICATION HOSTGROUPS", query_no_space, strlen(query_no_space))){
+                        char *q=(char *)"SELECT * FROM mysql_replication_hostgroups ORDER BY writer_hostgroup";
+                        tablename=(char *)"MYSQL REPLICATION HOSTGROUPS";
+                        SPA->configdb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+
+                }
+
+		if ((strlen(query_no_space)==strlen("CHECKSUM MEMORY MYSQL SERVERS") && !strncasecmp("CHECKSUM MEMORY MYSQL SERVERS", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MEM MYSQL SERVERS") && !strncasecmp("CHECKSUM MEM MYSQL SERVERS", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MYSQL SERVERS") && !strncasecmp("CHECKSUM MYSQL SERVERS", query_no_space, strlen(query_no_space)))){
+			char *q=(char *)"SELECT * FROM mysql_servers ORDER BY hostgroup_id, hostname, port";
+			tablename=(char *)"MYSQL SERVERS";
+			SPA->admindb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if ((strlen(query_no_space)==strlen("CHECKSUM MEMORY MYSQL USERS") && !strncasecmp("CHECKSUM MEMORY MYSQL USERS", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MEM MYSQL USERS") && !strncasecmp("CHECKSUM MEM MYSQL USERS", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MYSQL USERS") && !strncasecmp("CHECKSUM MYSQL USERS", query_no_space, strlen(query_no_space)))){
+			char *q=(char *)"SELECT * FROM mysql_users ORDER BY username";
+			tablename=(char *)"MYSQL USERS";
+			SPA->admindb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if ((strlen(query_no_space)==strlen("CHECKSUM MEMORY MYSQL QUERY RULES") && !strncasecmp("CHECKSUM MEMORY MYSQL QUERY RULES", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MEM MYSQL QUERY RULES") && !strncasecmp("CHECKSUM MEM MYSQL QUERY RULES", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MYSQL QUERY RULES") && !strncasecmp("CHECKSUM MYSQL QUERY RULES", query_no_space, strlen(query_no_space)))){
+			char *q=(char *)"SELECT * FROM mysql_query_rules ORDER BY rule_id";
+			tablename=(char *)"MYSQL QUERY RULES";
+			SPA->admindb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if ((strlen(query_no_space)==strlen("CHECKSUM MEMORY MYSQL VARIABLES") && !strncasecmp("CHECKSUM MEMORY MYSQL VARIABLES", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MEM MYSQL VARIABLES") && !strncasecmp("CHECKSUM MEM MYSQL VARIABLES", query_no_space, strlen(query_no_space)))
+		||
+		(strlen(query_no_space)==strlen("CHECKSUM MYSQL VARIABLES") && !strncasecmp("CHECKSUM MYSQL VARIABLES", query_no_space, strlen(query_no_space)))){
+			char *q=(char *)"SELECT * FROM global_variables WHERE variable_name LIKE 'mysql-%' ORDER BY variable_name";
+			tablename=(char *)"MYSQL VARIABLES";
+			SPA->admindb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+		}
+
+		if ((strlen(query_no_space)==strlen("CHECKSUM MEMORY MYSQL REPLICATION HOSTGROUPS") && !strncasecmp("CHECKSUM MEMORY MYSQL REPLICATION HOSTGROUPS", query_no_space, strlen(query_no_space)))
+                ||
+                (strlen(query_no_space)==strlen("CHECKSUM MEM MYSQL REPLICATION HOSTGROUPS") && !strncasecmp("CHECKSUM MEM MYSQL REPLICATION HOSTGROUPS", query_no_space, strlen(query_no_space)))
+                ||
+                (strlen(query_no_space)==strlen("CHECKSUM MYSQL REPLICATION HOSTGROUPS") && !strncasecmp("CHECKSUM MYSQL REPLICATION HOSTGROUPS", query_no_space, strlen(query_no_space)))){
+                        char *q=(char *)"SELECT * FROM mysql_replication_hostgroups ORDER BY writer_hostgroup";
+                        tablename=(char *)"MYSQL REPLICATION HOSTGROUPS";
+                        SPA->admindb->execute_statement(q, &error, &cols, &affected_rows, &resultset);
+                }
+
+		if (error) {
+			proxy_error("Error: %s\n", error);
+			char buf[1024];
+			sprintf(buf,"%s", error);
+			SPA->send_MySQL_ERR(&sess->client_myds->myprot, buf);
+			run_query=false;
+		} else if (resultset) {
+			char *q=(char *)"SELECT '%s' AS 'table', '%s' AS 'checksum'";
+			char *checksum=(char *)resultset->checksum();
+			query=(char *)malloc(strlen(q)+strlen(tablename)+strlen(checksum)+1);
+			sprintf(query,q,tablename,checksum);
+		}
+		goto __run_query;
+	}
 
 	if (strncasecmp("SHOW ", query_no_space, 5)) {
 		goto __end_show_commands; // in the next block there are only SHOW commands
diff --git a/lib/sqlite3db.cpp b/lib/sqlite3db.cpp
index 630c75d48..ee02412e3 100644
--- a/lib/sqlite3db.cpp
+++ b/lib/sqlite3db.cpp
@@ -1,5 +1,6 @@
 #include "proxysql.h"
 #include "cpp.h"
+#include "SpookyV2.h"
 
 #define USLEEP_SQLITE_LOCKED 100
 
@@ -177,3 +178,33 @@ void SQLite3DB::wrlock() {
 void SQLite3DB::wrunlock() {
 	spin_wrunlock(&rwlock);
 }
+
+int64_t SQLite3_result::raw_checksum() {
+	if (this->rows_count==0) return 0;
+	uint64_t hash1, hash2;
+	SpookyHash myhash;
+	myhash.Init(19,3);
+
+	for (std::vector<SQLite3_row *>::iterator it=rows.begin() ; it!=rows.end(); ++it) {
+		SQLite3_row *r=*it;
+		for (int i=0; i<columns;i++) {
+			if (r->fields[i]) {
+				myhash.Update(r->fields[i],r->sizes[i]);
+			} else {
+				myhash.Update("",0);
+			}
+		}
+	}
+	myhash.Final(&hash1, &hash2);
+	return hash1;
+}
+
+
+char *SQLite3_result::checksum() {
+	uint64_t hash1=raw_checksum();
+	char buf[128];
+	uint32_t d32[2];
+	memcpy(&d32,&hash1,sizeof(hash1));
+	sprintf(buf,"0x%X%X", d32[0], d32[1]);
+	return strdup(buf);
+}