--- /dev/null
+Index: src/cats/mysql.c
+===================================================================
+--- src/cats/mysql.c (révision 6192)
++++ src/cats/mysql.c (copie de travail)
+@@ -205,6 +205,10 @@
+ Dmsg3(100, "opendb ref=%d connected=%d db=%p\n", mdb->ref_count,
+ mdb->connected, mdb->db);
+
++ /* Set connection timeout to 8 days specialy for batch mode */
++ sql_query(mdb, "SET wait_timeout=691200");
++ sql_query(mdb, "SET interactive_timeout=691200");
++
+ V(mutex);
+ return 1;
+ }