Admin: Database Connections

The /resin-admin summary page gives an overview of the Database connection pools.

Connections

• Active - the number of Database connections currently in use
• Idle - the number of Database connections idle in the pool
• Created - pool miss ratio. Percent of connections new, total new, total connections
• Failed - number of connections failed to open a database (time is the time of last failure)

The Created statistic has three parts and looks something like "1.2% (12/1000)". It represents the idle pool miss ratio. In other words a measure of how effective the idle pool is.

• The first number is the miss ratio itself: the percent of getConnection requests that actually create a new database connection.
• The second number is the number of misses: the number of new database connection creations
• The third number is the total number of getConnection calls

Config

• max-connections - the total maximum connections allowed
• idle-time - the maximum idle time allowed in the pool