performance

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markus_petrux's picture

MySQL monitoring tools

Hi,

Here's a couple of tools that may help in monitoring MySQL performace:

Anyone using similar scripts to monitor high performance mysql servers?

Cheers

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greggles's picture

excellent idea - some starting points

I've posted on standard benchmarking information before (with no responses...) in the performance and scalability forum which is a pretty good source of information in general.

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Arto's picture

Fast private file transfers for Drupal

For those looking to have Drupal serve private files efficiently, I've posted a simple core patch that adds X-Sendfile support:
http://drupal.org/node/74472

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dado's picture

Views Fields and Performance

In this post
http://drupal.org/node/67502
I describe my troubles with slow views. I learned that as I add fields to my views (esp. fields from different tables), queries slow down a lot. My solution was remove all fields from my views, then load them inside my theme_views_view_... function, using node_load(). This cut my page execution time from 6 seconds to 1 second.

Now I find that I am doing all my views this way, for performance optimization. I find it too expensive to add fields to my views (for CCK nodes anyway, which is ~all I am using).

So I wonder if CCK's views implementation could effectively do this in the background.

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meba's picture

using ereg* functions

I just noticed 35 occurences of ereg* functions in Drupal code (most of them in modules, 4.6.6).
This short story is just a memo to advise all developers NOT to use ereg* functions and use preg_match instead, which is significantly faster. I would also like to do same stats in Drupal 4.7 and collect some volunteers to provide patches replacing ereg with preg_match.

bash-3.00$ grep -Ri "ereg" * | wc -l
35
bash-3.00$

Any volunteers?

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meba's picture

using quotes and double quotes

This is about PHP common development mainly, some advices to improve strings parsing performance.

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meba's picture

improving performance: magic_quotes_gpc

Just make sure, you have magic_quotes_gpc variable in php.ini set to Off, otherwise, Drupal will walk all $_GET, $_POST, etc. arrays to manually fix magic quotes. This can affect Drupal performance.

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