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Oracle Latch Contention Troubleshooting
I wrote a latch contention troubleshooting article for IOUG Select journal last year (it was published earlier this year). I have uploaded this to tech.E2SN too, I recommend you to read it if you want...
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Calculate SQL_ID and SQL_HASH_VALUE from SQL text
Some time ago I wrote an article about the 10g+ SQL_ID being just a hash value of the SQL statement text. It’s just like the “old” SQL_HASH_VALUE, only twice longer (8 last bytes instead of 4 last...
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Non-trivial performance problems
Gwen Shapira has written an article about a good example of a non-trivial performance problem. I’m not talking about anything advanced here (such as bugs or problems arising at OS/Oracle touchpoint)...
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