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- Technical
Third Contact with a Monolith: Part C—In the Pod
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...
Learn MorePaul BrebnerSeptember 29, 2017 -
- Feature Releases
Announcing AWS Marketplace
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...
Learn MoreInstaclustrSeptember 26, 2017 -
- Apache Cassandra
- Technical
Third Contact With a Monolith—Beam Me Down Scotty
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...
Learn MorePaul BrebnerSeptember 20, 2017 -
- Apache Cassandra
- Technical
Third contact with a Monolith—Long Range Sensor Scan
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...
Learn MoreInstaclustrSeptember 14, 2017 -
- Apache Cassandra
- Technical
Hello Cassandra! A Java Client Example
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...
Learn MorePaul BrebnerSeptember 07, 2017 -
- Feature Releases
Announcing Custom Data Center Subnet Allocation
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...
Learn MoreInstaclustrSeptember 07, 2017 -
- Apache Cassandra
- Technical
Consulting Cassandra: Second Contact with the Monolith
(Source: Shutterstock) 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...
Learn MorePaul BrebnerSeptember 06, 2017 -
- Apache Cassandra
- Technical
Cassandra Cluster Creation in Under 10 Minutes
(Source: Shutterstock – edited) Enough Information I watched the classic movie “2001: a Space Odyssey” for the nth time on the weekend. My previous favourite quote from HAL (the eventually paranoid and murderous ship AI) was: Dave: Open the pod bay doors, HAL. HAL: I’m sorry, Dave....
Learn MorePaul BrebnerAugust 29, 2017 -
- Feature Releases
Instaclustr Releases Support for Scylla 1.7.2
*Please note due to extremely limited customer demand, we no longer support ScyllaDB. Please contact our Sales Team should have you have any further questions. Instaclustr is happy to announce the immediate availability of Scylla 1.7.2 through its Managed Service. Scylla 1.7.2 is a significant step forward from the version previously available through Instaclustr with...
Learn MoreBen SlaterJuly 27, 2017