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Datapump How to improve import speed

Posted on 2009-05-06
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Last Modified: 2013-12-18
Hi guys,

I'm struggling to imporve datapump import speed (local, not via network or dblink), doing no benefit, have tried these options:
parallel = 1 -> 3 hrs & 42 mins   (no parallel is better)
parallel = 4 -> 3 hrs & 51 mins
parallel = 8 -> 4 hrs & 6 mins

have 4 cpus, linux 64 bit, Oracle 10.2.0.3.

Highly appreciate, you expert/experienced thoughts.
Thanks,
EL
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Question by:el123
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LVL 29

Expert Comment

by:MikeOM_DBA
ID: 24317028


Try:
EXCLUDE=INDEX  
 And build the indexes afterward.
 
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Author Comment

by:el123
ID: 24317684
any other thoughts ?
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Author Comment

by:el123
ID: 24355716
thanks MikeOM_DBA,

but need some quick/fast way to extract the index creation script, would like to add PARALLE=4 OR 6 to them and then execute those index creation script ... because got to create those indexes too.

thanks.
EL
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LVL 29

Accepted Solution

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MikeOM_DBA earned 1500 total points
ID: 24357527

INCLUDE=INDEX    
CONTENT=METADATA_ONLY
 
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