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Don Burleson Blog 







expdp data pump compression_algorithm

Oracle Database Tips by Donald BurlesonAugust 23, 2013

I see that there is a new compression_algorithm 12c parameters for Data Pump.


Answer:  Oracle offers several levels of compression in Data Pump:

  • compression_algorithm=basic:  This level is not too CPU intensive and offers good compression

  • compression_algorithm=high:  This is the most CPU intensive option, but the one that many result in the smallest export dmp file.

  • compression_algorithm=medium:  This is similar to "basic" compression.

  • compression_algorithm=low:  This is for bases where the server is CPU bound and it will give the largest of the compressed files.

Here is an example invocation of expdp using compression_algorithm

/> expdp dumpfile=mytabs.dmp tables=emp,dept compression_algorithm=high

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