Technical
Friday 29th September 2017 by Paul Brebner
A simple classification problem: Will the Monolith react? Is it safe?! Maybe a cautious approach to a bigger version of the Monolith (2km long) in a POD that is only 2m in diameter is advisable. What do we know about how Monoliths react to stimuli? A simple classification problem consists of the category (label) “no […]
Feature Releases
Tuesday 26th September 2017 by Instaclustr
We are pleased to announce that Instaclustr is now available as a SaaS Subscription on AWS Marketplace. Using the AWS Marketplace, AWS customers can use Instaclustr to provision new Cassandra, Elasticsearch & Spark clusters with no need to provide additional payment details. Services will be charged to the AWS customer’s account and will appear […]
Technical Technical — Cassandra
Wednesday 20th September 2017 by Paul Brebner
Regression Analysis is (relatively) easy Hypothesis: Using only a subset of GC metrics we can compute linear regression functions using only heap space used to predict when the next GC occurs. To do this we don’t need access to all the metrics per host, just a subset. And we can extend it in the future to […]
Technical Technical — Cassandra
Thursday 14th September 2017 by Paul Brebner
The Odyssey Continues – A Long Trip to Jupiter Earth to Mars distance = 0.52 AU (1.52-1AU, 78M km) Earth to Jupiter distance = 4.2 AU (5.2-1AU, 628M km) It’s a long way to Jupiter, would you like to: (a) sleep the whole way in suspended animation? (bad choice, you don’t wake up) (b) be embodied […]
Technical Technical — Cassandra
Thursday 7th September 2017 by Paul Brebner
This is the third (and final) part of my blog-series on creating a demonstration Cassandra cluster, connecting, and communicating. We landed on the moon and made Second Contact with the Monolith (CQL shell) in our last blog, but what can we do to understand the Monolith better? Let’s explore Cassandra Java client program. Java Client […]
Feature Releases
Thursday 7th September 2017 by Instaclustr
Instaclustr is pleased to announce changes which allow customers finer control of internal network ranges allocated to data center. Previously, when creating or adding a data center, data center subnets were allocated automatically and sequentially. Customers can now choose custom address ranges for individual data centers and these are no longer required to be ranges […]
Technical Technical — Cassandra
Wednesday 6th September 2017 by Paul Brebner
In the first part of this blog (Cluster Creation in Under Ten Minutes), I created a Cassandra cluster. In this part, we blast off to the Moon for 2nd contact. Consulting the Oracles Croesus: Hi Oracle. How will my war with Cyrus the Persian go? Oracle: If you proceed, a great empire will be destroyed. Croesus: […]