Expdp Performance Problem With DATABASE_EXPORT/SCHEMA/JOB
(Doc ID 1675935.1)
Last updated on OCTOBER 08, 2020
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.1 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Datapump export is slow during following actions involving jobs:
Processing object type DATABASE_EXPORT/SCHEMA/JOB
Completed 2 JOB objects in 16522 seconds
Completed 2 JOB objects in 16522 seconds
Trace datapump worker (DW) shows that the longest time is spent in following:
BEGIN :1 :="SYS"."DBMS_SCHED_JOB_EXPORT"."CREATE_EXP"(:2,:3,:4); END; call count cpu elapsed disk query current rows ------- ------ -------- ---------- ---------- ---------- ---------- ---------- Parse 23 0.00 0.00 0 0 0 0 Execute 2842534 510.79 1141.23 0 6460296 5685287 8527602 Fetch 0 0.00 0.00 0 0 0 0 ------- ------ -------- ---------- ---------- ---------- ---------- ---------- total 2842557 510.79 1141.23 0 6460296 5685287 8527602
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |