Ardent Performance Computing
Jeremy Schneider
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All Posts:
- Testing CloudNativePG Preferred Data Durability
- Data Safety on a Budget
- Postgres Replication Links
- Losing Data is Harder Than I Expected
- Run Jepsen against CloudNativePG to see sync replication prevent data loss
- Graviton2 versus Graviton4
- Collation Torture Test versus Debian
- Waiting for Postgres 18 – Docker Containers 34% Smaller
- Testing loadBalancerSourceRanges with CloudNativePG on Azure Kubernetes
- Postgres Per-Connection Statistics
- Challenges of Postgres Containers
- Kubernetes Requests and Limits for Postgres
- Good Benchmark Engineers and Postgres Benchmark Week
- Default Sort Order in Db2, SQL Server, Oracle & Postgres 17
- Major Developments in Postgres Extension Discovery and Distribution
- Postgres Indexes, Partitioning and LWLock:LockManager Scalability
- UUID Benchmark War
- Copy-and-Paste A New Postgres Dev Env In 5 Min
- Seattle Postgres User Group and PASS Summit – PGSQL Phriday #014
- Did Postgres Lose My Data?
- Seattle User Group Thoughts and Fall Opportunities
- Researching the Performance Puzzle
- PostgreSQL Performance Puzzle
- A Hairy PostgreSQL Incident
- PostgreSQL Logical Replicas and Snapshots: Proceed Carefully
- Paranoid SQL Execution on Postgres
- PostgreSQL Invalid Page and Checksum Verification Failed
- Seattle PostgreSQL Meetup This Thursday: New Location
- PostgresConf 2019 Summary
- PostgresConf 2019 Training Days
- Column And Table Redefinition With Minimal Locking
- This Week in PostgreSQL – May 31
- Understanding CPU on AIX Power SMT Systems
- Patching Time
- Grid/CRS AddNode or runInstaller fails with NullPointerException
- OSP #3a: Build a Standard Cluster Platform
- Chicago Oracle User Community Restart
- Command Line Attachment to Oracle Support Service Request
- OEM CLI Commands for Bulk Property Changes
- November/December Highlights
- Readable Code for Modify_Snapshot_Settings
- Largest Tables Including Indexes and LOBs
- OSP #2c: Build a Standard Platform from the Bottom-Up
- Replicating Tanel’s Script Library
- Convert Raw/Hex to Timestamp
- Delete Archived Logs from Standby
- OSP #2b: Build a Standard Platform from the Bottom-Up
- OSP #2a: Build a Standard Platform from the Bottom-Up
- Minimal-downtime PSUs on CRS with Cloned Golden Images
- Create Tablespace and ORA-28374
- OSP #1: The Foundation
- Listener Error from addNode.sh with Second Network
- OSP: Overview
- Operationally Scalable Practices
- Voting Disk Lies (CRS-4000)
- Resource Manager Limits (ORA-29376)
- IOUG Collaborate 2013 Wrap-Up
- How To Troubleshoot OEM 12c Cloud Control Auto-Discovery
- Set Up Exadata for Cloud Control 12.1.0.2
- Adaptive Log File Sync: Oracle, Please Don’t Do That Again
- Lessons from Africa, Part 2
- Lessons From Rural Africa
- Making Simple Performance Charts
- RAC Attack in OTN Lounge at OOW11
- Performance Tuning for Oracle Developers
- Developer Access To 10046 Trace Files
- Finally on Twitter
- RAC Attack – Oracle Cluster Database at Home
- BYO Oracle RAC on EC2
- Binding DBLINK to a Network Interface
- Large ASM Adoptions and Lessons Learned
- OpenWorld Haiku
- MOTS Day 2
- MOTS Day 1
- Mysterious Oracle Net Errors
- RAC Investigation on Low-Memory Linux
- DBCA Missing – Oracle 11.2 ASM/Grid
- Michigan OakTable – Illinois Visitors?
- ASM Mirroring – No Hot Spare Disk
- Five Reasons to do RAC Attack at Collaborate
- ASM Negative Free Space
- ASM Space Calculations and Hot Spares
- Future of OCFS2
- Oracle ASM Stripe Size
- Robust Software Version Numbering
- Parsing LISTENER.ORA with awk and sed
- Oracle Fully Automated Install and Patch
- ASMLIB Performance vs Udev
- Collaborate Wrapup, RAC 11g/VMware Lab
- Oracle Services on RAC at Collaborate
- Oracle IOPS and HBA Queue Depth
- Oracle Clusterware on RHEL5/OEL5 with udev and multipath
- Oracle I/O and Operating System Caching
- Two days until Asia! Trip Update.
- Cache Buffers Chains and Latch Spelunking
- GC Buffer Busy Waits in RAC: Finding Hot Blocks
- Formula for db_file_multiblock_read_count
- Notes on 11g New Features, Part 1
- Oracle 11g now on OTN for download!
- Log Buffer #55: a Carnival of the Vanities for DBAs
- 10g Subquery Unnesting Anomalies
- NFS and Stats Collection in Oracle 11g
- Compression in 11g: Time To Pay Attention
- Case Study: Statspack/AWR Latch Waits (Part 2)
- Case Study: Statspack/AWR Latch Waits (Part 1)
- Monitoring Oracle on SMP with Hyper-Threading
- Monitoring Oracle on NFS
- Accessing Arbitrary Ancestors in Hierarchical Queries
- Encyclopedia Spine Problem
- Combining Hierarchical Queries With Analytics
- Doug Burns on Oracle User Groups
- Chicago Oracle Users Group Meeting
- Controlfile Recovery WITHOUT Resetlogs
- Redo Log Filename Extension
- Fidelity Case Study
- Controlfile Recovery Requires RESETLOGS
- Recovering Your Controlfile Without a Backup
- Who’s Accessing That File?
- The Clusterware C API
- Migrating to RAC/ASM with RConfig
- E-Business Suite Applications 11i on RAC/ASM
- Automating Those Pesky Linux Prerequisites
- Listener Subscription To ONS For Cluster Events
- Crazy Networking Problem on Linux
- PRKP-1001 Converting To RAC+ASM With Rconfig
- LOCAL_LISTENER and ORA-12545
- Centralized TAF Configuration in 10g, Part 2
- NOT NULL Plus TAF Causing ORA-08176
- DBCA Slow? Check Host Equivalence.
- Tuning SQL Statement Execution in 10g, Part 2
- RAC File Permissions Quick Reference
- Single Oracle Password File on Raw with RAC
- Tuning SQL Statement Execution in 10g, Part 1
- Six Steps to Effective RAD
- Consistent Reads and Multiversioning
- Life Requires a Sense of Humor
- RAC Listener Best Practices
- udev for Security Conscious RAC Sysadmins
- Centralized TAF Configuration in 10g, Part 1
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Disclaimer
This is my personal website. The views expressed here are mine alone and may not reflect the views of my employer.I am currently looking for consulting and/or contracting work in the USA around the oracle database ecosystem.
contact:312-725-9249 orschneider @ ardentperf.com
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Recent Posts
- Testing CloudNativePG Preferred Data DurabilityOctober 5, 2025
- Data Safety on a BudgetOctober 4, 2025
- Postgres Replication LinksOctober 2, 2025
- Losing Data is Harder Than I ExpectedSeptember 28, 2025
- Run Jepsen against CloudNativePG to see sync replication prevent data lossSeptember 1, 2025
Recent Comments
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