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Description

The FlexyPool library adds metrics and flexible strategies to a given Connection Pool, allowing it to resize on demand. This is very handy since most connection pools offer a limited set of dynamic configuration strategies.

Code Quality Rank: L5
Programming language: Java
License: Apache License 2.0
Tags: Database    
Latest version: v2.2.1

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README

License Maven Central JavaDoc

Introduction

The FlexyPool library adds metrics and flexible strategies to a given Connection Pool, allowing it to resize on demand. This is very handy since most connection pools offer a limited set of dynamic configuration strategies.

Features

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Training

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Consulting

If you want me to review your application and provide insight into how you can optimize it to run faster, then check out my consulting page.

High-Performance Java Persistence Video Courses

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Documentation

  1. Installation Guide
  2. User Guide
  3. Developer Guide

In the Press

  1. The anatomy of Connection Pooling
  2. FlexyPool, reactive connection pooling
  3. Connection pool sizing with Flexy Pool
  4. The simple scalability equation
  5. How to monitor a Java EE DataSource
  6. How does FlexyPool support the Dropwizard Metrics package renaming
  7. How does FlexyPool support both Connection proxies and decorators
  8. Applying Queueing Theory to Dynamic Connection Pool Sizing with FlexyPool
  9. Java Performance Tuning - November 2016
  10. Brett Wooldridge Shows What it Takes to Write the Fastest Java Connection Pool
  11. FlexyPool 2 has been released

Who uses FlexyPool

ToroDB Stampede is a replication and mapping technology allowing you to mirror a MongoDB database in a SQL database. ToroDB Stampede exposes multiple metrics using JMX, some of them are custom metrics and other are metrics offered by third party products like Flexy-pool. Etuovi is the leading real estate portal in Finland. New Etuovi.com has used FlexyPool in production since early 2014. The library has proven to be reliable and allows our infrastructure to handle temporary spikes much better. We use it everywhere in our stack, ranging from our frontends to the backend services. -- Antti Koivisto, Software Architect, Etuovi.com Scentbird is a website that allows its subscribers to try hundreds of designer fragrances at very affordable prices. We have tried FlexyPool in Scentbird, after one week of intensive testing we decided switch it to FlexyPool and HikariCP in production mode, and everything works very robust and fast, we so happy about that! Thank you for this library. -- Andrey Rebrov, CTO, Scentbird

Requirements


*Note that all licence references and agreements mentioned in the FlexyPool README section above are relevant to that project's source code only.