[phpldapadmin] [ phpldapadmin-Bugs-3391046 ] Loading entries with many attributes is very slow

Bugs item #3391046, was opened at 2011-08-13 20:36
Message generated for change (Tracker Item Submitted) made by gruberroland
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Roland Gruber (gruberroland)
Assigned to: Nobody/Anonymous (nobody)
Summary: Loading entries with many attributes is very slow

Initial Comment:
Hi Deon,

opening an LDAP entry that has lots of attributes (about 100) takes about 10 seconds on a recent PC. The problem is the sorting.
PLA calls Attribute->getName() and real_attr_name() several 100,000 times. This is caused by ~100,000 calls of getFriendlyName().

The source seems to be in sortAttrs($a,$b) that does not use cached values. Probably, it would be even better to simply get a list of all attribute friendly names first and then do a simple sorting on them (and no usort at all).

Unfortunately, I do not know enough about the code to provide a patch. I hope that my explanations help you to fix this.


Best regards

Roland

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