In 10.2.0.5 and 11.2.0.2 the bug 7710931 is fixed DATAPUMP EXPORT IS EXTREMELY SLOW WHEN EXTRACTING SCHEMA
Also, there is
Bug 7413726 - Poor EXPDP performance when db COMPATIBLE=10.2.0.3 or 10.2.0.4 which is a duplicate of Bug 7710931
Cross-Instance Deadlock in RAC
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I've created a *video demonstration of a Cross-Instance Deadlock in a
2-node RAC* environment and how to read the trace file.
Note : Only the SQL that h...
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