Query on DBA_FREE_SPACE_COALESCED never completes
(Doc ID 742744.1)
Last updated on APRIL 09, 2020
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.
o Querying DBA_FREE_SPACE_COALESCED is slow.
o Execution plan shows huge number of objects in the recycle bin & most of the time is spent accessing the fixed table X$KTFBUE:
3369 TABLE ACCESS FULL RECYCLEBIN$ (cr=42 pr=0 pw=0 time=3444 us)
32 FIXED TABLE FULL X$KTFBUE (cr=524128 pr=177408 pw=0 time=133485331 us)
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