Posts on Tanel Poder Consulting tanelpoder.com

Measuring what matters

tanelpoder.com·855w

Finding the reasons for excessive logical IOs

tanelpoder.com·860w

Explain Plan For command may show you the wrong execution plan – Part 1

tanelpoder.com·860w

Detect chained and migrated rows in Oracle – Part 1

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What’s a good way to learn some Oracle internals every day?

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SystemTap is production supported in Redhat EL5.4

tanelpoder.com·864w

KGL simulator, shared pool simulator and buffer cache simulator – what are these?

tanelpoder.com·870w

KGH: NO ACCESS allocations in V$SGASTAT – buffer cache within shared pool!

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Oracle 11gR2 has been released – and with column oriented storage option

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latch: cache buffers chains latch contention – a better way for finding the hot block

tanelpoder.com·872w

Select COUNT(*) and COUNT(column) are different things!

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Alter system kill session and ORA-00031: session marked for kill

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An interview with me

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How to detect when a cursor was closed from SQL trace output?

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Identify the SQL statement causing those WAIT #X lines in a (top-truncated) sql tracefile

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(Secret) Preview of Oracle 12g CBO leaked from Oracle labs…

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Oracle memory troubleshooting, Part 3: Automatic top subheap dumping with heapdump

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Using Perfsheet and TPT scripts for solving real life performance problems

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ORA-04031 errors and monitoring shared pool subpool memory utilization with sgastatx.sql

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Oracle Performance Visualization videos from Sydney

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