Tag: breadth first search

Efficient Graph Search

It is a spring Monday in the Twin Cities of Minneapolis and St. Paul. The weather forecast calls for humid and overcast day with the possibility of thunderstorms this afternoon. In general, I try to shutdown my computers at home as soon as I hear thunder. So far all is good. Hopefully the storms will start later in the day after my workday is over!

The weekend was rather nice. It was humid and warm. It seems that the weather has changed more than usual this year. In Lima Peru, there are no storms or any considerable rain. Apparently earlier today some lightning and associate thunder passed by the coastal city. As far as I know this is a first. Continue reading “Efficient Graph Search”

Symmetric Tree

Good morning gals and guys! Hope you day has started on the right note. Today in the Twin Cities of Minneapolis and St. Paul we are expecting a high temperature of 67F and the day is sunny. Starting today the two-week forecast shows high temperatures in the upper 60’s to mid to lower 70’s. All looks nice, but we are somewhat low on precipitation. From my backyard I can see a small pond with very low water levels. Hopefully farmers are receiving enough rain to have a good crop this fall.

This morning I watched a session from AWS Summit Online. The session is named “Amazon DynamoDB: Untold stories of databases in a serverless world” by Angela Timofte. She is a data platform manager with Trustpilot. What called my attention were a set of points she brought up which illustrates how important is to allow your technical staff to experiment, learn and make mistakes. Such approach has helped the company move from MySQL to MongoDB and currently to DynamoDB. What is more important, the company currently uses about ten different database engines to store different types of data. They are using the right tools for the jobs (one size does not fit all). If you get a chance take a look at the 22 minute presentation here. Continue reading “Symmetric Tree”