Ashok tutorials

What should we monitor? There are many things you can monitor in a MongoDB environment, but a few key areas will tip you off quickly if something is amiss. You should be analyzing the following metrics: Replication lag . Replication lag refers to delays in copying data from the primary node to a secondary node. Replica state . The replica state is a method of tracking if secondary nodes have died, and if there was an election of a new primary node. Locking state . The locking state shows what data locks are set, and the length of time they have been in place. Disk utilization . Disk utilization refers to disk access. Memory usage . Memory usages refers to how much memory is being used, and how it is being used. Number of connections . The number of connections the database has open in order to serve requests as quickly as possible. serverStatus The  serverStatus  command, or  db.serverStatus()  from the shell, returns a general overview of th...

Monitoring server's used bandwidth is not something that comes integrated with Zabbix by default. First of all we deploy  vnstat  to the target server(s).   vnstat  is a simple program to monitor network traffic: [root@test-ashok ~]# yum install vnstat -y [root@test-ashok ~]# vnstat -u -i ens160   (interface name) [root@test-ashok ~]#  sudo chown -R vnstat: /var/lib/vnstat [root@test-ashok ~]# sudo systemctl start vnstat [root@test-ashok ~]# sudo systemctl enable vnstat root@test-ashok ~]# vnstat -m  eth0  /  monthly        month        rx      |     tx      |    total    |   avg. rate     ------------------------+-------------+-------------+---------------       Apr '18      5.00 GiB |    2.46 GiB |    7.46 GiB |   36.93 kbit/s ...