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MV refresh Done With DBMS_REFRESH Running Slow With Involved Spatial Indexes (Doc ID 2910917.1)

Last updated on DECEMBER 31, 2022

Applies to:

Oracle Spatial and Graph - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

Refreshing MVs with DBMS_REFRESH  runs very slowly.

Dropping the involved Spatial Indexes improves performance greatly, but a permanent solution is needed.

 

Upon checking involved processes with "ps -ef|grep csdgdilt|grep _j0" we find that these are executing:

SELECT /* chk_journal_reg */

ROWID

FROM "MDSYS"."SDO_TXN_JOURNAL_REG"

WHERE sid = :1

AND sdo_txn_idx_id = :2

AND indexptniden = :3

AND operation = :4

AND rid = :5

Changes

 Upgrade from 12c to 19c

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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