Ruan Bekker

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Performance

A collection of 4 posts

September 10, 2018

Investigating High Request Latencies on Amazon DynamoDB

While testing DynamoDB for a specific use case I picked up at times where a GetItem will incur about 150ms in RequestLatency on the Max Statistic. This made me want to understand the behavior that I'm observing. I will go…

AWS DynamoDB Performance Troubleshooting

September 10, 2018

Dockerizing a Memcached Server for Docker on Alpine

This post I will demostrate how to dockerize a memcached server on Alpine and how to create a boot script that allows you to pass environment variables through to the application. What is Memcached Memcached is a multi-threaded, in-memory key/…

Docker Memcached Performance Databases

September 10, 2018

Improving Performance from your Lambda Function from the use of Global Variables

When using Lambda and DynamoDB, you can use global variables to gain performance when your data from DynamoDB does not get updated that often, and you would like to use caching to prevent a API call to DynamoDB everytime your…

AWS Lambda Performance DynamoDB

July 22, 2017

Amazon EMR Performance Comparison dealing with Hadoops SmallFiles Problem

Today I would like to have a dive into Job Performance with Hadoop, running on the Managed Hadoop Framework of Amazon Web Services, which is Elastic MapReduce (EMR). Hadoop does not deal well with lots of small files, and I…

BigData Hadoop EMR AWS S3DistCp Performance

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