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Engineering@Semantics3
Engineering@Semantics3
Insight into the engineering systems powering the next generation of ecommerce
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Engineering tales from Semantics3–2016 edition

Back in October, I had written about our team’s pull crew for hacking on open source projects. I had meant to write a review of the various contributions that we had managed. However, life happened, and that post is still in the works.


The instance is dead, long live the instance

Spot instances are among the most valuable tools for anyone looking to deploy lean-mean computing machines.

There are numerous trade-offs possible when comparing on-demand, reserved and spot instances, the most important being…


HariNet awakens

Followers of The Ecommerce Intelligencer might already be familiar with Hari, who leads our business development team. Some of his…


Return of the vacuum

In our previous story about Postgres, we had discussed how freezing transaction IDs was required to fight the transaction ID wraparound problem.

However, at the end of the previous post, even through the original materialized view had been destroyed, the overall…


An unexpected journey, a DBA’s tale

One of our favorite databases for maintaining data at scale is Postgres. Being a data-centric business, we have come to rely heavily on the gentle giant and use it extensively across our entire platform.