Puddle

Puddle is a generic resource pool library for Go.

TODO

Max resource lifetime
Max resource uses
Max resource idle time
Resource keep alive
Resource health check - keep alive and health check might be same thing
Reset pool
Shrink pool
Stress test
Stat - supercede Size, include available resources, checked out resources, get count, slow get count, slow get wait time, total create count, total background error count
Refactor createCalls and closeCalls in tests