Query Slow For FTS Showing High Scattered Read After Migrate & Upgrade From To (Doc ID 2322391.1)

Last updated on NOVEMBER 02, 2017

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


Query slow for FTS showing High scattered read after upgrade from to in target DB and both have same explain plain. Table having CLOB Data. Source DB was in physical server and traget upgraded DB in vBlock using RHEL7 .

Source DB ( - From sqlplus or toad query execute within 1 sec .


 Changing the storage device and loading data into the table so frequently.


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