Questions tagged [performance]
For questions related to a perceived slow system and how to improve it.
63 questions
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Very slow installations
I've got a client with five installs on one server - all different sites and EE versions. Everything has been fine up to now, but every site has suddenly become very slow including the control panel. ...
- 393
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Load-Balancing with ExpressionEngine
I am kind of new to loadbalancing. I've been tasked up with figuring out how to load balance our servers that run ExpressionEngine. We are using two plugins, Assets and CE_Image. I've been reading up ...
- 111
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Cartthrob and cart update queries
I'm really struggling to reduce the number of database queries on a Cartthrob install.
As I look at the EE output profiler, I see that most of the queries are
UPDATE `exp_cartthrob_cart` SET `cart` ...
- 660
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ExpressionEngine on PHP7
PHP 7 Release Candidate 7 came out today.
Rasmus Lerdorf has been giving talks on the advantages of PHP7 including benchmarking against many popular PHP applications -- for example here's the ...
- 1,079
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CE Image, Assets, S3 and Caching
We’re using CE Image along with Assets images stored in S3. We’ve used curl to go through all the pages so that CE Image does its thing to the image and stores its “made” image in S3. The hopes is to ...
- 385
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Why are all snippets loading several times on page load?
I have a simple about page being rendered with the content of only one entry and some Low Variables bits. It's rather slow (3.8806 seconds according to the Output Profiler), and the Template Debugging ...
- 117
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188
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Heavy CPU load on MediaTemple: help decipher from TOP query
For one of our clients, we have unusually high CPU/DB load. Here's what we got from the host:
1878 clientsite 20 0 213m 43m 8088 R 18.7 2.3 0:05.86 /usr/bin/php-cgi
-c /var/www/vhosts/acme.com/etc/...
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Do unused custom fields affect performance?
If there are custom fields that are not used e.g., optional, in all entries, does this in any way affect performance? I am considering implementing a somewhat monolithic custom fieldset to be ...
- 105
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a less expensive way of grouping entries by category
I'm trying to figure out if there's a more performant way of getting entries grouped by category.
As you can see, I'm using NSM Categories module. Right now, this costing me 263 queries and 5 seconds ...
- 2,473
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76
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Modules/Add-ons loading on all pages
I'm finding a few add-ons/modules that are loading on every page/template even if they are not being called in that template.
For example, the Solspace Favorites module seems to constantly be coming ...
- 137
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Nested Tags Performance Improvements?
Is there a better (less server intensive therefore slow) way to retrieve entries based on a category setting i.e. this is what we currently use:-
{exp:channel:categories channel="products" style="...
- 135
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Can EE handle Millions of Users?
I’m new to the expression engine project at our business. We are being acquired by a large company and they’re worried that expression engine cannot handle traffic for a exp_members table of 10M, and ...
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Making sense of New Relic reporting
Recently the site we've been working on has been attracting a lot more traffic.
We've been seeing high CPU spikes and recently installed New Relic.
Already we've been able to pinpoint a bottle neck ...
- 2,473
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Output to JSON & save
I've got a directory of locations in a channel, 4500 of them.
I'm using the Google Maps addon but given how many locations we're showing, the performance is terrible.
Right now we're outputting the ...
- 2,473
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Performance with Store variables and Low Search
I'm looking at performance for a few list pages, and finding that low search is being called to find some Store variables within a channel entries tag. For example, getting {product_details:price} in ...
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