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expdp / impdp exports / imports empty tables exactly 2 seconds each

edited Nov 29, 2014 10:01AM in Database Utilities (MOSC) 4 commentsAnswered

Hello to all,

I have problem with Oracle 12.1.0.1.0 Enterprise Edition on AIX 7.1 (7100-03-02-1412).

Running expdp or impdp to export/import single schema takes very long time because both utilities exports/imports empty tables 2s each.

I run expdp/impdp with these options:

FILESIZE=32G PARALLEL=8 LOGTIME=ALL REUSE_DUMPFILES=Y EXCLUDE=SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS,SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS,INDEX:\"LIKE \'P%\'\",INDEX:\"LIKE \'U%\'\"

Just take a look on the expdp log, when exporting empty tables:

21-NOV-14 17:49:47.069: . . exported "SIRAEL_KUK_PROD"."VZNIK_RAM_SML"           0 KB   0 rows
21-NOV-14 17:49:49.069: . . exported "SIRAEL_KUK_PROD"."VZNIK_SMLOUVY"          

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