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
rowlen surprise
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Here’s a little detail about Oracle’s calculation of
user_tables.avg_row_len that I hadn’t noticed before – and I really should
have noticed it years ago, ...
Acum o săptămână
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