Troubleshooting RAC GoldenGate Relocation

During RAC online patching, GoldenGate resource is required to be relocated to surviving node. When relocation fails, there are a few logs which can be useful for troubleshooting. Oracle Grid Infrastructure Standalone Agents for Oracle Clusterware (XAG) was not installed…

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Cloudscape Podcast: Highlights from Google Next 2018

Welcome to a special edition of the Cloudscape Podcast! Today’s show is dedicated to the recent Google Cloud Next conference and the announcements that were made at the event. We welcome back Greg Baker, Pythian’s AWS expert and our guest…

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Proposal for a New Cassandra Cluster Key Compaction Strategy

Cassandra storage is generally described as a log-structured merge tree (LSM). In general, LSM storage provides great speed in performing writes, updates and deletes over reads. As a general rule, a write in Cassandra is an order of magnitude faster…

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DevOps: Five Trends For 2019 And Beyond

The 2019 technology forecasts are still a few months away, but some predictions are already a safe bet — especially when it comes to DevOps. New estimates from IDC suggest that the DevOps software market will grow from its 2017…

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Log Buffer #553: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers Cloud, Oracle, and MySQL. Cloud: Increasingly, enterprise backends combine legacy systems, modern microservices, and various SaaS applications. More and more of the modern applications are built on the cloud or are migrating there. Account management,…

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News and updates from Microsoft Azure

I recently joined Chris Presley for his podcast, Cloudscape, to talk about what’s happening in the world of cloud-related matters. I shared the most recent events surrounding Microsoft Azure. Topics of discussion included:         Azure Data Factory Copy Tool updates         Microsoft…

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Log Buffer #552: A Carnival of the Vanities for DBAs

This Log Buffer Edition covers Cloud, Oracle, and MySQL. Cloud: AWS Config is a service that maintains a configuration history of your AWS resources and evaluates the configuration against best practices and your internal policies. AWS released a new IAM…

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Cloudscape Podcast Episode 7: August 2018

In this episode of The Cloudscape Podcast, we are joined by AWS expert Greg Baker and Microsoft Azure expert Warner Chaves. We will be doing the usual round-up of the latest developments from the cloud vendors and filling you in…

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Oracle DBSAT Discoverer Feature

Oracle’s Database Security Assessment Tool (DBSAT) is a nice and powerful free tool that performs Database and OS Security Audits and provides recommendations based on the findings. The tool and documentation can be downloaded from the following Oracle link (although…

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Oracle Parallel Query Hints Reference – Part 5: PQ_DISTRIBUTE_WINDOW

Welcome to Part 5 of the series. First, some background: if you want to skip to the reference part, scroll down. This hint was introduced relatively recently – in Oracle 12.1 – where for the first time, SQL Windowing functions are…

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