Just a reminder that the Buffalo Perl Mongers will be having their July meeting tonight.<br><br>Date: July 31st, 2007<br>Time: 7 PM<br>Location: 242 Bell Hall, UB North Campus<br><br>Topic: Embedded Databases - Ben Bixby<br>Agenda:<br><br>Intro<br> What is an embedded database?<br> How do they work<br> What are the advantages<br> What are the disadvantages<br> Why/When would you want to use one<br><br>Some available embedded databases<br> BerkeleyDB<br> Cache::FastMmap<br> Embedded MySQL<br> File System<br> GDBM_File<br> SQLite<br><br>Using embedded databases<br> Code should be abstract<br> Might want to swap database type<br> Some are better than others for certain purposes<br>
Performance<br> Correctness<br> Concurrency<br><br>Abstract embedded database code<br> Data Access Layer (DAL)<br> init<br> get<br> set<br> list<br> remove<br><br>Correctness<br> Does the database do what you need how you need<br> <br> LRU<br> Automatic resizing<br> Does it work as<br> expected<br><br>Concurrency<br> Special considerations for a multi-process environment<br> Readers<br> Writers<br> Locking<br> Synchronization<br><br>Performance comparison<br> Is it fast enough for your application<br> Benchmarking<br><br>Conclusion<br> Get requirements
straight<br> Reduce pain