At Nomis Solutions we manage a couple of AWS accounts and wanted to take snapshots of all our EBS volumes and also have retention policies.Read More »
MongoDB recently released v3.0 of their database server with a new storage engine called WiredTiger. WiredTiger performs document-level locking
during writes touting to offer a huge improvement over locks on the entire database or collection in the previous 2.6 version. We were curious to know how significant the performance gains would be compared to the previous version, so we wrote a couple of tests...
To build a system for responsive performance, one often employs the technique of caching data in a fast in-memory store as opposed to hitting the database. At Nomis Solutions, we wanted to compare the performance of various frameworks, considering both local and distributed caches and including internal in-memory caching using a HashMap. We also wanted to compare the performance of no caching at all (i.e. hitting our MongoDB database directly).Read More »