QueryAdvisor
@QueryAdvisor
QueryAdvisor is the leading tool for Oracle single instance and RAC database analysis based on 10046 tracefiles and the wait interface. Come and try!
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Starting from Oracle 7 to 11 the information provided inside 10046 tracefiles has been extended a lot.
The correct system time is displayed in the header of a tracefile and could be adjusted ongoing based on timestamps printed on regular base.
The tim= param inside a 10046 tracefile is based on a repetitive internal timer and could not be transformed to a time in the real world.
Check this video out -- QueryAdvisor in 30 Seconds youtube.com/watch?v=ksWFXz… via @youtube
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QueryAdvisor in 30 Seconds
Comparison of execution is more on the level of execution plans then on time of execution. Plans should remain stable and mainly equal!
The best way to predict changes of application behaviour when switching to new database is to generate a traceprofile and compare execution.
I think Posix-style memorx mgmt. was supported from Oracle 9 (introduction of X-table for Granules) but only used in AIX-environments???
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