Changes between Version 84 and Version 85 of DeveloperGuidelines/Optimisation


Ignore:
Timestamp:
03/16/13 14:56:34 (9 years ago)
Author:
Fran Boon
Comment:

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  • DeveloperGuidelines/Optimisation

    v84 v85  
    5252 7. Mind your field representations! Sometimes they execute complex DB queries, which behave fine with just a few test records, but become a nightmare with 10000 records. To be sure - test loading a form/list view with 10000 records in the table.
    5353
     54=== PostgreSQL ===
     55* http://tapoueh.org/blog/2013/03/15-batch-update.html
     56
    5457=== XSLT ===
    55 
    56  1. Traversing the tree ({{{//}}}-selectors!) is very slow. Indexes ({{{<xsl:key}}}) can improve performance up to 10000%
    57 
    58  2. Explicit {{{<xsl:for-each>}}} can be significant slower than template matching. Consider a separate template!
     581. Traversing the tree ({{{//}}}-selectors!) is very slow. Indexes ({{{<xsl:key}}}) can improve performance up to 10000%
     592. Explicit {{{<xsl:for-each>}}} can be significant slower than template matching. Consider a separate template!
    5960== Specific Examples ==
    6061=== Python ===