Instaclustr Blog Archive
Page 55
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- Apache Kafka
- Technical
Exploring the Apache Kafka “Castle” Part A: Architecture and Semantics
NEWS FLASH Apache Kafka Coming Soon to Instaclustr’s Service Offering! (Source: Wikipedia) If you haven’t read Kafka’s “The Castle” (I haven’t) a few online observations are sufficient for a concise summary (and will save you the trouble of reading it): Time seems to have stopped in the village The story has no ending (Kafka died...
Learn MorePaul BrebnerJanuary 12, 2018 -
- Technical
Security Advisory – Spectre and Meltdown
This advisory is to inform Instaclustr customers of Instaclustr’s risk assessment and mitigation steps in relation to the Spectre (CVE-2017-5715 and CVE-2017-5753) and Meltdown (CVE-2017-5754) vulnerabilities disclosed last last week. We have considered these vulnerabilities from two perspectives, Cross-VM leakage and Host (cross process) leakage. For Cross-VM leakage, our cloud providers have published advice that...
Learn MoreAleks LubiejewskiJanuary 08, 2018 -
- Apache Cassandra
- Feature Releases
- Technical
Announcing Instaclustr support for AWS I3 Instance Types
Instaclustr delivers improved Apache Cassandra® price/performance with AWS I3 Instance Types. Instaclustr has released support for a new AWS I3 instance type with our Apache Cassandra, Apache Spark & Elassandra Managed Service. I3 is the latest generation of AWS’s “Storage Optimised” family. It is designed to support I/O intensive workload, and is backed by low-latency...
Learn MoreInstaclustrJanuary 04, 2018 -
- Feature Releases
Announcing Instaclustr support for Microsoft Azure Managed Disks
Instaclustr delivers improved reliability and security on Azure with Azure Managed Disk support. Instaclustr has released support for Azure Managed Disks with our Apache Cassandra, Spark and Elassandra Managed Service on Microsoft Azure. All new Azure clusters will automatically take advantage of the new storage type. What are Managed Disks? Managed disks are a new...
Learn MoreInstaclustrJanuary 04, 2018 -
- Apache Kafka
- Technical
Apache Kafka® Christmas Tree Light Simulation – Seasons Greetings From Instaclustr
What would you do if you received a request like this? Looks like poor old Santa confused us with a company that produces Instant Forests. But maybe Santa knew I’d been trying out Decision Tree Machine Learning (including Random Forests) on our performance data (see previous blogs on Machine Learning with Spark)? But then I...
Learn MorePaul BrebnerDecember 19, 2017 -
- Apache Cassandra
- Apache Kafka
- Apache Spark
- Elasticsearch
- Technical
Pick‘n’Mix: Apache Cassandra®, Apache Spark™, Zeppelin, Elassandra, Kibana™, and Apache Kafka®
Kafkaesque: \ käf-kə-ˈesk \ Marked by a senseless, disorienting, menacing, nightmarishly complexity. One morning when I woke from troubled dreams, I decided to blog about something potentially Kafkaesque: Which Instaclustr managed open-source-as-a-service(s) can be used together (current and future)? Which combinations are actually possible? Which ones are realistically sensible? And which are nightmarishly Kafkaesque!? In previous blogs,...
Learn MorePaul BrebnerDecember 05, 2017 -
- Apache Spark
- Technical
Apache Spark™ Structured Streaming With DataFrames
This blog provides an exploration of Spark Structured Streaming with DataFrames The blog extends the previous Spark MLLib Instametrics data prediction blog example to make predictions from streaming data. We demonstrate a 2-phase approach to debugging, starting with static DataFrames first, and then turning on streaming. Finally, we explain Spark structured streaming in more detail...
Learn MorePaul BrebnerNovember 28, 2017 -
- Apache Cassandra
- Elasticsearch
- Technical
Announcing Instaclustr Continuous Backup for Cassandra and Elassandra
Instaclustr is pleased to announce the general release of two significant enhancements to the backup and restore capabilities of Instaclustr Managed Apache Cassandra and Elassandra: Continuous Backup – providing near-zero data loss backups; and User Controlled Restore – giving you the power to restore from an existing cluster’s backups to a new cluster, using the...
Learn MoreInstaclustrNovember 16, 2017 -
- Apache Cassandra
- Technical
Apache Cassandra® Materialized View and Instaclustr Support
Apache Cassandra Materialized Views Materialized views are a feature, first released in Cassandra 3.0, which provide automatic maintenance of a shadow table (the materialized view) to a base table with a different partition key thus allowing efficient select for data with different keys. Many Cassandra users will be aware that the Apache Cassandra project recently...
Learn MoreBen SlaterNovember 13, 2017