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Tablespace TDE doubling IMPDP time

in Database Security Products (MOSC) 5 commentsAnswered

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

AIX

I've recently implemented Transparent Data Encryption on a single tablespace in my database.

Tablespace = 6.4 Tb in 207 datafiles.

This tablespace is used exclusively for 1 schema.

Prior to encryption a IMPDP for this schema took 10hrs - post encryption it is taking 20hrs +

I understand that encryption will slow things down - but is this degree of performance degradation expected?

Is there any way to reduce the impdp time.

This is a pre-implementation test database and as such will be refreshed regularly.

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