adding mysql_threads

shell/mysql_threads.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+#
+# crontab:
+#  */10 * * * * /usr/local/sbin/mysql_threads.sh
+#
+# logrotate:
+#  /var/log/mysql_threads.log {
+#      rotate 4
+#      missingok
+#      notifempty
+#      size 5M
+#      weekly
+#  }
+#
+# SPDX-License-Identifier: MIT
+
+SERVER=localhost
+LOG=/var/log/mysql_threads.log
+DTS=$(date +"%Y-%m-%d %H:%M:%S %Z")
+
+THREADS=$(mysql -h ${SERVER} -B -N -e "SHOW STATUS LIKE 'Threads_connected';" | tr "\011" " ")
+USERS=$(mysql -h ${SERVER} -B -N -e "SELECT DISTINCT USER AS users, COUNT(*) FROM information_schema.processlist GROUP BY users;" | tr "\011" ":" | tr "\n" "," | sed '$s/.$//')
+
+echo "${DTS} ${THREADS}, Users_connected [${USERS}]" >> "${LOG}"
+
+exit 0