Stat'Rgy news

How to choose between HBase, Parquet and Avro ? First, if you need to update your data, go with HBase. If part of the data should be updated and the other part not, then you may think of a hybrid solution. With HBase you can keep old version of a “cell”. Moreover, you can use […]

Scala vs python If you are wondering whether you’d better learn Scala or Python… or both, you might want to read this. Scala is a statically typed language, which means that the type of the variable is known at compile time (the programmer must specify what type each variable is). Python on the contrary is […]

HBase response times There are several causes to latency in HBase: Normal network round-trip time (RTT), internal or external to the Hadoop cluster, order of ms Disk read and write time, order of ms Client retries due to moved regions of splits, order of s; HBase can move a region if it considers that the […]

How to configure HBase on low memory cluster Reduce the number of regions per server Before getting into math, let’s recall briefly what the memstore is in HBase. The memstore holds in-memory modifications to the Store before it is flushed to the Store as HFile, in other words the data that are coming in are […]