Blog | Pythian (25)

Oracle

Recovering from quarterly PSU patching disaster

Applying Patching Applying GRID INFRASTRUCTURE PATCH SET UPDATE 11.2.0.4.181016(Patch 28429134) for AIX (64-Bit) was a ...

Analytics

Why you can’t ignore master data management and data governance

This is the second in a series of four posts on breaking down data silos and its importance for organizations. In this ...

Microsoft SQL Server

Working with resource groups in MySQL 8

MySQL 8 is GA and it has a variety of new features. Recently, we happened to work with resource groups to restrict ...

Cassandra

How to tweak the number of num_tokens (vnodes) in live Cassandra cluster

Some clients have asked us to change the number of num_tokens as their requirement changes. For example lower number of ...

Oracle

Oracle EBS Vision Instance on docker

Continuing my previous efforts in getting docker running on Oracle Linux in this blog post, I worked on getting Oracle ...

Oracle

Oracle parallel query hints reference - part 6: USE_PARTITION_WISE_GBY

Welcome to part 6 of the series. The USE_PARTITION_WISE_GBY hint is "brand new," introduced in 12.2. I personally ...

Oracle

Solving an uncommon Oracle error code - ORA-01041

So, here is the thing. We have a customer running a 11.2 Single Instance Oracle database on Windows. I know the version ...

Cassandra

So you have a broken Cassandra SSTable file?

Every few months I have a customer come to me with the following concern: my compactions for one of my Cassandra tables ...

Oracle

Troubleshooting RAC GoldenGate relocation

During Oracle RAC online patching, the GoldenGate resource must be relocated to a surviving node to maintain ...

Cassandra

Step-by-bstep monitoring Cassandra with with Prometheus and Grafana

In this blog, I’m going to give a detailed guide on how to monitor a Cassandra cluster with Prometheus and Grafana. For ...

MySQL

MySQL plugin for Oracle Enterprise Manager 13c Cloud Control

This is the same plugin that Alex Gorvachev created back in the day. I've simply modified it to be compatible with both ...

Oracle

Troubleshooting a datapatch error in Oracle

Troubleshooting datapatch failure As part of patching preparation, the following command was executed and failed: ...

Oracle

How do you test your Oracle database backup?

From my experience, the one area where a DBA cannot afford to make errors is in database backup. When was the last time ...

Oracle

Troubleshooting a GoldenGate error code

Introduction After applying Oracle GoldenGate V12.2.0.1.170919 for Oracle Database 12c OPTIMIZER Patch for Bug# ...

Oracle

Oracle parallel query hints reference - part 7: PQ_DISTRIBUTE and partitioned tables

In Part 1 of the series, we covered in detail how the PQ_DISTRIBUTE can change the data distribution method across ...

Oracle

Upgrading grid infrastructure from 12.1 to 12.2 in Exadata

1 Pre-requisites / preparation 12.2 Grid Infrastructure and Database Upgrade steps for Exadata Database Machine running ...

Oracle

How to find unused indexes and drop them safely in MongoDB

Indexes increase read performance and allow queries to access data faster. But they also need to be updated when the ...

Oracle

EM 12c, EM 13c: delete agent and targets using emcli

Situation It's feasible to delete agents and targets using GUI but can take a lot of work depending on configuration ...

Oracle

The best times to apply Oracle quarterly patches

When is the best time to apply an Oracle quarterly patch? I suppose the answer is, "It depends." As it turns out, we ...

Oracle

How to test an Oracle database upgrade using a physical standby

It was a Thursday morning. I started my day at work and found out that I was tasked with running a test upgrade to ...

Oracle

HugePages for Oracle Database in Azure Cloud

So, what's up? In case you don't know, my co-worker Gleb Otochkin has written a couple of blog entries about HugePages' ...

MySQL

Log buffer #555: a carnival of the vanities for DBAs

This log buffer edition covers Cloud, Oracle and MySQL.

MySQL

Authenticating MySQL 8.0 (Enterprise) against active directory

Recently our team was tasked to implement MySQL 8.0 in production for a client. While MySQL 8.0 is looking very ...

MySQL

Log buffer #556: a carnival of the vanities for DBAs

This log buffer edition covers Cloud, Oracle and MySQL.

Cloud

Loading data into Azure Data Warehouse with Data Factory - SQL on the edge episode 18

Earlier this year Microsoft released the next generation of its data pipeline product Azure Data Factory. The first ...

Analytics

Analytics in the cloud - Azure analysis services

Azure Analysis Services is a fully managed platform as a service (PaaS) that provides enterprise-grade data models in ...

Oracle

Does Oracle allocate PGA in HugePages?

The short question While preparing a presentation I am giving this year about HugePages, a colleague of mine at Pythian ...

Oracle

Enable X11 forwarding after Sudo SSH session for AWS EC2 Linux instance

Challenges Working with a secure environment presents some challenges and this post will demonstrate how to overcome ...

MySQL

Is slave_exec_mode idempotent actually idempotent?

Background Co-Author: Rafael Alvarez When you look up the word idempotence in wikipedia you get the following ...

Microsoft Azure

News and upates from Microsoft Azure, pt II

I recently joined Chris Presley for his podcast, Cloudscape , to talk about what’s happening in the world of ...

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GigaOm x Pythian: Realities and Risks of Enterprise AI

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Oracle

Oracle AI Data Platform (AIDP): No-Nonsense Platform Overview

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Using Multi-Agent Reasoning for NLP-to-SQL

As data-driven decision-making becomes essential, access to that data shouldn’t require deep technical ...

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Becky's BI Apps Corner: OBIA 11.1.1.10.2

Upgrade jitters? If you’re running older versions of OBIA, the new 11.1.1.10.2 release brings game-changing features like automatic error handling and ...

Analytics

Oracle Data Integrator (aka Sunopsis) Now On OTN

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Build a scalable data foundation to accelerate with AI.

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Recovering from quarterly PSU patching disaster

Why you can’t ignore master data management and data governance

Working with resource groups in MySQL 8

How to tweak the number of num_tokens (vnodes) in live Cassandra cluster

Oracle EBS Vision Instance on docker

Oracle parallel query hints reference - part 6: USE_PARTITION_WISE_GBY

Solving an uncommon Oracle error code - ORA-01041

So you have a broken Cassandra SSTable file?

Troubleshooting RAC GoldenGate relocation

Step-by-bstep monitoring Cassandra with with Prometheus and Grafana

MySQL plugin for Oracle Enterprise Manager 13c Cloud Control

Troubleshooting a datapatch error in Oracle

How do you test your Oracle database backup?

Troubleshooting a GoldenGate error code

Oracle parallel query hints reference - part 7: PQ_DISTRIBUTE and partitioned tables

Upgrading grid infrastructure from 12.1 to 12.2 in Exadata

How to find unused indexes and drop them safely in MongoDB

EM 12c, EM 13c: delete agent and targets using emcli

The best times to apply Oracle quarterly patches

How to test an Oracle database upgrade using a physical standby

HugePages for Oracle Database in Azure Cloud

Log buffer #555: a carnival of the vanities for DBAs

Authenticating MySQL 8.0 (Enterprise) against active directory

Log buffer #556: a carnival of the vanities for DBAs

Loading data into Azure Data Warehouse with Data Factory - SQL on the edge episode 18

Analytics in the cloud - Azure analysis services

Does Oracle allocate PGA in HugePages?

Enable X11 forwarding after Sudo SSH session for AWS EC2 Linux instance

Is slave_exec_mode idempotent actually idempotent?

News and upates from Microsoft Azure, pt II

Recent news

Pythian Ranked on CRN's 2026 Solution Provider 500 List for Seventh Consecutive Year

Pythian Recognized as a Top AI & Data Consulting Firm for 2026

Pythian Recognized as Silver Winner in UKOUG Data Integration Partner of the Year Awards 2026

Pythian Leaders Recognized on CRN’s 2026 Women of the Channel List

Pythian and Three of Its Leaders Named Finalists for the 2025 CRN Women of the Year Awards

Pythian India Earns “Great Place to Work” Certification for Fourth Consecutive Year

Pythian’s Vanessa Simmons and Donna Williston Again Named to CRN’s 2025 Women of the Channel List

Pythian Positioned as Oracle Database @ Google Cloud Leader with Acquisition of Rittman Mead

Pythian Doubles Down on AI-Readiness, Expanding AI Practice with Valuable Services and Expertise

Pythian Launches Agentspace QuickStart

Pythian Wins 2025 Google Cloud Databases Partner of the Year for North America

Pythian and GigaOm Announce AI Partnership

Pythian Named Top Employer in Canada's National Capital Region for 2025

Pythian Welcomes Shawn Gandhi as Senior Vice President, Customer Engineering, and Country Managing Director for Canada

Pythian Announces New Oracle Database@Google Cloud Migration Services

Pythian India Earns “Great Place to Work” Certification for Third Consecutive Year

Pythian Recognized on CRN’s 2024 Solution Provider 500 List and DBTA’s 100 Companies That Matter Most in Data for 2024

Pythian Welcomes Brooks Borcherding as Chief Executive Officer

Pythian’s Vanessa Simmons and Donna Williston Honored by CRN on 2024 Women of the Channel Lists

Pythian Recognized as a Top Employer in Canada’s National Capital Region in 2024

Pythian Announces Generative AI Strategy and Offerings to Accelerate Enterprise Innovation

CRN Names Pythian’s Vanessa Simmons a 2023 Women of the Channel Power 80 Solution Provider

Award-Winning Marketing Veteran Christina O’Reilly Joins Pythian Services as Senior Vice President, Marketing

Pythian Makes Database Trends and Applications’ List of Trendsetting Solution Providers for 2023

Pythian Celebrates 25 Years of Enterprise Data, Analytics, and Cloud Success

Pythian India Achieves “Great Place to Work” Certification After Building High-Trust, High-Performance Culture

Pythian Named One of ‘The Companies That Matter Most in Data’ by Database Trends and Applications Magazine

Vanessa Simmons from Pythian Named on CRN’s 2022 Women of the Channel Power 70 Solution Providers List

Pythian Named Partner in Launch of Google Cloud Cortex Framework

Pythian’s SAP Services Practice Grows by 300 Percent in 2021

Pythian Renews Google Cloud Infrastructure Specialization in the Google Cloud Partner Advantage Program

Pythian Services Recognized on CRN’s 2022 MSP 500 List

Pythian Renews Machine Learning Partner Specialization in the Google Cloud Partner Advantage Program

Pythian Sets Company Record with Over 100 New Customers in 2021

Pythian’s CTO Paul Lewis Featured Commentary Published by InformationWeek

How to Modernize Backup Without Breaking the Bank

Pythian Launches FinOps Managed Services

Pythian Acquires SAP MSP Partner ManageServe

Pythian Taps Seasoned Cloud and Data Expert Paul Lewis as CTO

Pythian Achieves Managed Services Provider Status In the Google Cloud Partner Advantage Program

Keith Angell: Accelerating Enterprise Growth With Data And Analytics Through Remarkable Leadership

Pythian Achieves the Data Management Partner Specialization in the Google Cloud Partner Advantage Program

Pythian Adds Snowflake Data Cloud Services Suite

New CEO Keith Angell: Pythian Services A ‘Golden Nugget’

Pythian Appoints Keith Angell As CEO

Pythian Services Acquires Google Cloud Premier Partner Agosto

Pythian Announces Support For AWS Outposts As A Launch Partner

Pythian Wins 2018 Google Cloud Data Analytics Partner of the Year Award

Pythian achieves Machine Learning Partner Specialization in the Google Cloud Partner Specialization Program