MySQL Cluster Sorts Test

The test monitors the sort operation performed on each node of the target MySQL cluster database server.

Target of the test : A MySQL Cluster

Agent deploying the test : A remote agent

Outputs of the test : One set of results for each node in the target MySQL Cluster database server being monitored

Configurable parameters for the test
Parameter Description

Test Period

How often should the test be executed.

Host

The host for which the test is to be configured.

Port

The port at which the specified host listens.

Database

Specify the name of a database on the target MySQL Cluster database server being monitored

Username and Password

The eG agent has to be configured with the credentials of a user who has server-wide Process and Select privileges on the monitored MySQL Cluster database server. To know how to create such a user, refer to Pre-requisites for Monitoring the MySQL Cluster Database Server topic.

Confirm Password

Confirm the password by retyping it here.

Measurements made by the test
Measurement Description Measurement Unit Interpretation

Range sort rate

Indicates the rate at which ranges on this node were sorted.

Sorts/Second

 

Row sort rate

Indicates the rate at which rows on this node were sorted.

Sorts/Second

 

Scan sort rate

Indicates the rate at which sorting was performed by scanning the tables of this node.

Sorts/Second

 

Merge passed sort rate

Indicates the rate at which the sort algorithm performed merge passes on this node.

Sorts/Second

If this value is large you should consider increasing the sort_buffer.