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Nuts & Bolts
Stories about product, design, and engineering from Handy HQ.
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ElasticSearch Field Explosion
ElasticSearch Field Explosion
Over time, it’s easy for the number of fields within your ElasticSearch (ES) index to grow to what seems like an unmanageable size. ES…
Tom Johnell
Dec 4, 2020
Analysis of a Kubernetes hack — Backdooring through kubelet
Analysis of a Kubernetes hack — Backdooring through kubelet
Unless you’ve been living under a rock for the past three years, you’ve probably heard about Kubernetes. At Handy, our infrastructure is…
Alexander Urcioli
Mar 13, 2018
Practical Capacity Scheduling with YARN
Practical Capacity Scheduling with YARN
Or, getting the bugs out of your YARN.
Marcin Tustin
Apr 6, 2016
A Football is Better than a Bag of Marbles
A Football is Better than a Bag of Marbles
Or, how we managed to make our stack run more efficiently and cut our AWS bill, which made the finance team happy.
Marcin Tustin
Mar 24, 2016
Renaming HDFS Data Nodes Considered Terribly Harmful
Renaming HDFS Data Nodes Considered Terribly Harmful
We recently switched our hosts over to a new DNS provider. This meant that the PTR Records, and therefore the hostnames that hosts were…
Marcin Tustin
Jan 18, 2016
RestKit, CocoaPods, and Software Trade-Offs
RestKit, CocoaPods, and Software Trade-Offs
A few weeks ago during our conversations with the folks from the NYC Tech Talent Pipeline and Flatiron School, the topic of CocoaPods was…
Ricardo Rodriguez
Dec 16, 2015
Handy and Android Pay
Handy and Android Pay
We’re excited to be one of the first apps to integrate Android Pay, which makes our user experience more seamless than ever before. To kick…
Mayank Yadav
Dec 15, 2015
Airflow: Tips, Tricks, and Pitfalls
Airflow: Tips, Tricks, and Pitfalls
Airflow, the workflow scheduler we use, recently hit version 1.6.1, and introduced a revamp of its scheduling engine. We like it because…
Marcin Tustin
Dec 7, 2015
Roundtripping Geospatial Data through MySQL and Hive
Roundtripping Geospatial Data through MySQL and Hive
Here at Handy, we take data security and testing seriously. Accordingly, we want to test with data that’s as similar to production as…
Marcin Tustin
Dec 4, 2015
Tipping Your Professional
Tipping Your Professional
A deeper dive into how we approached tipping on the Handy platform.
Mayank Yadav
Nov 24, 2015
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