Telegraf: wsrep reporting not working

Created on 18 Sep 2019  路  3Comments  路  Source: influxdata/telegraf

wsrep_ready is 'ON' however status=0, when it should be 1 I believe.


[] [root@hostname telegraf.d]# curl -s localhost:9126/metrics|grep -v \#|grep wsrep_ready
mysql_wsrep_ready{host="host.skybet.net",server="127.0.0.1:3306"} 0

[] [root@hostname telegraf.d]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 7640808
Server version: 5.7.26-29-57-log Percona XtraDB Cluster (GPL), Release rel29, Revision 03540a3, WSREP version 31.37, wsrep_31.37

Copyright (c) 2009-2019 Percona LLC and/or its affiliates
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

hostname:[(none)]>select * from performance_schema.global_status where variable_name  like 'wsrep_ready';
+---------------+----------------+
| VARIABLE_NAME | VARIABLE_VALUE |
+---------------+----------------+
| wsrep_ready   | ON             |
+---------------+----------------+
1 row in set (0.00 sec)
aremysql bug

Most helpful comment

Looks like I have similiar situation.

[root@in_monitoring maria]# rpm -qa | grep "Maria\|galera"
MariaDB-common-10.4.8-1.el7.centos.x86_64
MariaDB-backup-10.4.8-1.el7.centos.x86_64
MariaDB-compat-10.4.8-1.el7.centos.x86_64
galera-4-26.4.2-1.rhel7.el7.centos.x86_64
MariaDB-server-10.4.8-1.el7.centos.x86_64
MariaDB-client-10.4.8-1.el7.centos.x86_64


[root@in_monitoring telegraf.d]# telegraf --config mysql.conf --test | grep wsrep_ready
2019-10-23T13:27:23Z I! Starting Telegraf 1.12.2
 mysql,host=in_monitoring,server=192.168.126.251:3306 wsrep_provider_version=0i,wsrep_ready=0i,wsrep_rollbacker_thread_count=1i,wsrep_thread_count=2i 1571837243000000000

[root@in_monitoring telegraf.d]# mysql -uroot -p

 -e "SHOW GLOBAL STATUS LIKE 'wsrep_ready'"
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| wsrep_ready   | ON    |
+---------------+-------+

mysql.conf attached - it's pretty standart.
mysql.txt

All 3 comments

What was the reason for closing #6416 and opening this as a duplicate?

@mrcheeky123 Can you share your plugin configuration and Telegraf version?

Looks like I have similiar situation.

[root@in_monitoring maria]# rpm -qa | grep "Maria\|galera"
MariaDB-common-10.4.8-1.el7.centos.x86_64
MariaDB-backup-10.4.8-1.el7.centos.x86_64
MariaDB-compat-10.4.8-1.el7.centos.x86_64
galera-4-26.4.2-1.rhel7.el7.centos.x86_64
MariaDB-server-10.4.8-1.el7.centos.x86_64
MariaDB-client-10.4.8-1.el7.centos.x86_64


[root@in_monitoring telegraf.d]# telegraf --config mysql.conf --test | grep wsrep_ready
2019-10-23T13:27:23Z I! Starting Telegraf 1.12.2
 mysql,host=in_monitoring,server=192.168.126.251:3306 wsrep_provider_version=0i,wsrep_ready=0i,wsrep_rollbacker_thread_count=1i,wsrep_thread_count=2i 1571837243000000000

[root@in_monitoring telegraf.d]# mysql -uroot -p

 -e "SHOW GLOBAL STATUS LIKE 'wsrep_ready'"
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| wsrep_ready   | ON    |
+---------------+-------+

mysql.conf attached - it's pretty standart.
mysql.txt

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