Cheryl Lei Bryll

Senior Oracle DBA

Cheryl is a Senior Oracle DBA at XTIVIA. She has been working with Oracle technology for over 20 years. Having started her professional career in accounting she moved into IT as an Oracle developer for an ERP Software company in Clearwater FL. Where she then progressed as an Oracle developer for the Oracle EBS application. In her spare time, she taught the Oracle Developer OCP courses at an accredited college as an adjunct part time instructor for many years. Her career further progressed into the more technical side of Oracle as an Oracle EBS DBA and Core DBA. She has worked on Database platform migrations, High Availability implementations and upgrades of Databases and Oracle EBS R11 and R12 on various operating systems. As well as new implementations for R12.2 with RAC. Her skill set includes project planning, Oracle DR and High Availability Solutions, Patching and upgrade solutions, as well as daily DBA tasks to ensure optimal performance of the Oracle databases. When Cheryl isn’t working with Oracle technology projects she can be found on a trail or mountain somewhere training for another Ultramarathon running event.

Oracle AI Database 26ai: Now Available for Linux x86-64 On-Premises

Summary Oracle has released AI Database 26ai (version 23.26.1) for Linux x86-64 on-premises, the new successor to 19c with robust AI features. Table of contentsSummaryIntroductionFrom 23ai to 26ai: What’s in a Name?Technical Breakdown: The DetailsWhy This... read more

Top 10 Reasons for Oracle VKTM Time Drift: Insights from a Senior Oracle DBA

SUMMARY: This blog outlines the top 10 causes of Oracle VKTM time drift (OS/VM issues and bugs) and offers practical solutions. Table of contentsSUMMARY:IntroductionUnderstanding VKTMCriticality of VKTM in RAC EnvironmentsCore Causes of VKTM Time Drift1. Aggressive... read more

When MongoDB Refuses Connections After a Restart — Lessons from a Disk-Full Crash

Summary When a high-volume insert workload caused a MongoDB server running on Ubuntu to crash due to 100% disk utilization, the WiredTiger storage engine’s inability to complete mandatory recovery prevented the database from binding to its connection port until... read more

How Oracle DBSAT Helps You Meet CIS Benchmarks with Confidence

Table of contentsWhy DBSAT MattersKey Areas Where DBSAT Aligns with CIS1. User and Role Management2. Password Policies3. Auditing and Logging4. Database ConfigurationDBSAT Reporting: A Goldmine for ComplianceBest Practices for Using DBSATFinal Thoughts As a database... read more

Where Is On-Premise Oracle 23ai?

SUMMARY: Oracle has indefinitely delayed the general on-premises release of Oracle Database 23ai, signaling a strategic “Cloud-First, Developer-First” pivot that prioritizes cloud availability and requires extensive testing for performance parity across... read more

Oracle Database 23ai: To Upgrade or Not To Upgrade?

Table of contentsImportant Note: 23ai AvailabilityWhen Upgrading to Oracle, 23ai Makes SenseWhen Upgrading to Oracle 23ai Might Not Be the Best Idea (Yet)Conclusion As Oracle DBAs, we constantly evaluate new releases, weighing the benefits against the potential risks.... read more