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Bug #55184

closed

Epic #55070: Workpackages

Epic #55065: WP: Overall System Performance (Backend and Frontend)

Task #55179: Optimize SQL Performance

Filling the entries from sys_registry does not use an index

Added by Ingo Schmitt almost 11 years ago. Updated over 10 years ago.

Status:
Closed
Priority:
Should have
Assignee:
Ingo Schmitt
Category:
Performance
Target version:
6.2.0
Start date:
2014-01-20
Due date:
% Done:

0%

Estimated time:
2.00 h
TYPO3 Version:
6.2
PHP Version:
Tags:
Complexity:
Is Regression:
No
Sprint Focus:

Description

While filling the cache by Registry->loadEntriesByNamespace the Entries of the Database are fetched.

Count: 44 Time=0.00s (0s) Lock=0.00s (0s) Rows=111.7 (4915), webuser[webuser]@localhost
SELECT * FROM sys_registry WHERE entry_namespace = 'S'

Since the is no index on entry_namespace this query is not cached and executed slower.

Solution: Add index on entry_namespace

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