Posts on Tanel Poder Consulting tanelpoder.com

Performance Visualization made easy – PerfSheet 2.0 beta

tanelpoder.com·907w

A little oradebug enhancement in Oracle 11g

tanelpoder.com·915w

Advanced Oracle Troubleshooting Guide, Part 9 – Process stack profiling from sqlplus using OStackProf

tanelpoder.com·915w

Transportable tablespaces and ROWID uniqueness

tanelpoder.com·916w

VLDB 2008 proceedings, Oracle optimizer plan stability, adaptive cursor sharing and SecureFiles

tanelpoder.com·923w

Oracle hidden costs revealed, Part2 – Using DTrace to find why writes in SYSTEM tablespace are slower than in others

tanelpoder.com·923w

Flexible sampling of any V$ or X$ view with sample.sql

tanelpoder.com·924w

Case study on some rowcache internals, cached non-existent objects and a describe bug

tanelpoder.com·925w

Why does even a small difference in SQL text cause a hard parse?

tanelpoder.com·926w

Script: Display valid values for multioption parameters (including hidden parameters)

tanelpoder.com·926w

The simplest query for checking what’s happening in a database

tanelpoder.com·927w

Library cache latches gone in Oracle 11g

tanelpoder.com·928w

Advanced Oracle Troubleshooting Guide, Part 8: Even more detailed latch troubleshooting using LatchProfX

tanelpoder.com·929w

Closed database and WITH subquery

tanelpoder.com·931w

Advanced Oracle Troubleshooting Guide, Part 7: Sampling latch holder statistics using LatchProf

tanelpoder.com·931w

Another use case for WaitProf – diagnosing “events in waitclass Other”

tanelpoder.com·934w

Killing an Oracle process from inside Oracle

tanelpoder.com·934w

cursor_space_for_time To Be Deprecated

tanelpoder.com·934w

Advanced Oracle Troubleshooting Guide, Part 6: Understanding Oracle execution plans with os_explain

tanelpoder.com·935w

Debugger dangers

tanelpoder.com·935w

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