Xml Dom Parsing Is Slower In 126.96.36.199.0 Refer To Bug 7158121
(Doc ID 805693.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Server - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.1]
Information in this document applies to any platform.
This problem can occur on any platform.
Parsing with dbms_xmldom is very slow in 11g compared to 10g
Time in 10.2.0.3.0 was 69.920 seconds for a specified code block
After upgrade to 220.127.116.11.0, time raised to 5193.937 seconds for the same exact piece of code and same data. After <patch 7158121> was applied and the time went to 529.467. Still very slow compared to 10.2.0.3.0 time which is 69 seconds.
In 18.104.22.168.0 after applying <PATCH 7158121> time went to 378.812 seconds. Still very slow compared to 10.2.0.3.0 time which is 69 seconds.
Here is a summary:
Test on 10.2.0.3.0:
Total Response Time: 69.920
Tests on 22.214.171.124.0 and 126.96.36.199.0 before and after applying <patch 7158121>
188.8.131.52.0 No Patch Total Response Time: 5193.937
184.108.40.206.0 With Patch Total Response Time: 529.467
220.127.116.11.0 No Patch Total Response Time: 2455.233
18.104.22.168.0 With Patch Total Response Time: 378.812
We also tried <patch 7342082> which improved time but still do not get the same performance as in 10g.
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