Category Archives: Tech

Technology

Cassandra vnodes Streaming Reliability Calculator

Posted on February 15, 2019 by James Briggs

The Cassandra database has a setting in cassandra.yaml, num_tokens, for the number of vnodes. num_tokens is the number of partitions to use per host, and thus the number of parallel streams to use for data updates. The default was 256 … Continue reading →

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Postgres Monitoring Script pg_glance.sh Available

Posted on February 5, 2019 by James Briggs

I wrote a small performance monitoring script for Postgres during the Super Bowl on Sunday called pg_glance. You can download it from my github project pg_glance. Getting Started with pg_glance It’s easy to get started … If you’re remotely monitoring … Continue reading →

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Super Bowl LIII 2019

Posted on February 3, 2019 by James Briggs

I watched Super Bowl LIII on TV. The New England Patriots won over the Los Angeles Rams 13-3. Low-scoring first half, but it picked up in the 4th quarter. Still ended up being the lowest scoring game in history. Some … Continue reading →

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Rare snow rollers spotted in field near Marlborough

Posted on February 3, 2019 by James Briggs

Rare snow rollers spotted in field near Marlborough

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Tonga Fiber Cut 2019

Posted on January 26, 2019 by James Briggs

Imagine your whole country’s Internet going dark. Kudos to the private ISP owners in Tonga who financed and organized a solution while the fiber is repaired. Bali is another island in a similar situation, at 100% electrical and Internet capacity … Continue reading →

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