Instaclustr Blog Archive
Page 59
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- Apache Cassandra
- Technical
Securing Apache Cassandra with Application Level Encryption
One topic that commonly comes up when discussing Apache Cassandra with large enterprise clients is whether Cassandra can match feature X (audit logging, encryption at rest, column level security, etc) that is supported by Oracle, SQL Server or some other common enterprise RDBMS technology. In many cases, the answer to this question is no –...
Learn MoreBen SlaterApril 28, 2017 -
- Feature Releases
- Technical
Instaclustr Free Trials Now Available on Google Compute Platform
Instaclustr is pleased to announce that, thanks to some help from our friends at Google, we’re now able to make free trials of Instaclustr’s Managed Cassandra, Spark and Zeppelin service available on GCP. From today on, any customers signing up for Instaclustr are automatically eligible for a 14 Day Free Trial of Instaclustr’s service running...
Learn MoreInstaclustrApril 10, 2017 -
- Apache Spark
- Technical
Debugging Jobs in the Apache Spark™ UI
Overview In this post, we’ll be running a basic Apache Spark job that selects data from a Cassandra database using a couple of different methods. We will then examine how to compare the performance of those methods using the Spark UI. Setup For this post, we will use a Zeppelin+Spark+Cassandra cluster. If you’d like to...
Learn MoreAlwyn DavisApril 08, 2017 -
- Apache Cassandra
- Technical
Maximising Availability with Apache Cassandra
Introduction A number of recent of events have had us thinking more than usual about maximising availability with Apache Cassandra. The first of these was the recent AWS S3 outage. While this outage did not have any effect on any of our managed clusters (other than few backup jobs being skipped) it obviously did affect...
Learn MoreBen SlaterMarch 06, 2017 -
- Apache Cassandra
- Feature Releases
- Technical
Instaclustr delivers improved Apache Cassandra price/performance with AWS R4 Instance Types
Instaclustr has released support for two new R4 class node configurations for using with our Apache Cassandra and Apache Spark Managed Service. The R4 is AWS newest instance type. It is in the “Memory Optimized” family of AWS offering meaning it offers a relatively high ratio of memory to CPU (for example, 30.5GB of RAM...
Learn MoreBen SlaterFebruary 15, 2017 -
- Apache Cassandra
- Feature Releases
- Technical
Instaclustr Open Sources Cassandra sstable Analysis Tools
At Instaclustr we spend a lot of time managing Cassandra clusters – we have team of engineers that 24×7 do nothing but manage Cassandra clusters. Big clusters, tiny clusters, clusters with awesome data models and clusters with less awesome data models – we manage them all. Over time, we’ve developed a lot of tricks and...
Learn MoreBen SlaterFebruary 13, 2017 -
- Team
Instaclustr Masters scholarship in conjunction with University of Canberra
Overview As part of our commitment to contributing back to the Apache Cassandra open source project and the wider community we are always looking for ways we can foster knowledge sharing and improve usability of Cassandra itself. One of the ways we have done so previously was to open up our internal builds and versions...
Learn MoreBen BromheadFebruary 09, 2017 -
- Apache Cassandra
- Technical
Securing your Apache Cassandra cluster
The new year has begun, and with it has come a wave of database compromises. Cyber-criminals targeting “low hanging fruit” are using public search engines such as Shodan to discover and exploit unsecured MongoDB, Elasticsearch, Hadoop and Cassandra clusters. The attack is simple but effective: the attacker logs into an unsecured database, exports the data...
Learn MoreInstaclustrJanuary 31, 2017 -
- Apache Cassandra
- Technical
Apache Cassandra Security
Apache Cassandra security has hit the news lately with a benevolent hacker attempting to warn owners of unsecured Cassandra databases about their exposure (see https://www.bleepingcomputer.com/news/security/a-benevolent-hacker-is-warning-owners-of-unsecured-cassandra-databases/). Apache Cassandra Security At Instaclustr, we take security very seriously. We were confident that our default configurations would not allow access to this type of scan. We have used our central...
Learn MoreBen SlaterJanuary 31, 2017