Questions tagged [performance-optimization]
For questions relating to optimizing the performance of a solution.
78
questions
15
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CMS Performance Tuning for Sitecore 8+
Sitecore has previously published a CMS Performance Tuning Guide for Sitecore 6.x and 7.x on SDN. I do not see any similar content on doc.sitecore.net for Sitecore 8.x. Is most of the content in the 7....
- 5,338
12
votes
3
answers
4k
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Sitecore Page - First request on every page slow
We have been noticing that the first request to any of the Sitecore pages seems to be loaded slow. Every subsequent request is ok.
Note that we can't use output cache as is a transaction based member ...
- 2,263
12
votes
4
answers
2k
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Optimizing Sitecore Media Items
We're currently trying to optimize our site so the end users get fast response times. One of the areas we are looking at moment is the media served from the Sitecore Media Library.
What settings are ...
- 13.8k
12
votes
2
answers
2k
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Limiting version numbers/copying old versions to archive for easy access
Sitecore recommends limiting number of items to up to 10 versions per item.
The version manager module can be used to limit the number of item versions.
This can either be run periodically, or when ...
- 1,072
11
votes
2
answers
4k
views
MongoDB disk IOPS
I was reading that Sitecore recommends SSD disks for MongoDB Servers, and I am wondering if
What are the recommended performance values?
Will I have any performance lost if not use SSD?
Best ...
- 2,969
11
votes
2
answers
562
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How often should agents run to both minimize impact on users and reduce risk of other performance issues?
First I referenced John West's article on agents here. He speaks of polling frequencies and intervals but neither there nor other places have I seen a clear guide on the agents that exist and best ...
- 17.5k
10
votes
7
answers
5k
views
Experience Editor painfully slow
I am getting painfully slow performance when using the experience editor in sitecore 9.. I have several modules added to the page (inside nested dynamic placeholders), and any change seems to take an ...
- 475
9
votes
2
answers
7k
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AcquireRequestState causing slow page load times
We're currently doing some performance optomisation of our Sitecore 8.1 Website and one of the slowest operations were seeing in New Relic is AcquireRequestState.
I've read around this quite a bit ...
- 9,131
8
votes
3
answers
916
views
Lucene analytics index constantly loads HDD
We see performance issue on CM server. Content editor is very slow periodically and resource monitor shows that HDD is busy - reading and writing sitecore_analytics_index files nearly 50% of the time. ...
- 868
8
votes
2
answers
140
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Definition of content on a page
I have thought about how to best assemble a "page" document in Lucene/Solr to later use in Sitecore when searching for most relevant pages to show to a user.
A page consist of many elements which is ...
7
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2
answers
3k
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How do publish end remote events work
We have different CM and CD servers
I am generating files on publish:end and publish:end:remote events. Files will be generated in the website-Root/Dictionary Folder.
What files? - We are going ...
- 1,832
7
votes
1
answer
1k
views
How do I improve my SXA sites Google PageSpeed Insights Score?
Our client would like us to aim/achieve a particular Google PageSpeed Insights score. In particular, a score equal to or above 80/100 (mobile score) would be ideal.
We are building the site with ...
- 1,079
6
votes
2
answers
5k
views
What are the best practices for MongoDB replica set latency?
I'm looking to setup a environment with 3 MongoDB (1 x Primary and 2 x Secondary nodes) in different regions and wondering if:
Is there any recommendations on latency (in ms) limitations for the ...
- 2,969
6
votes
3
answers
369
views
How many personalization rules are too many? At what point does page/site performance start to take a hit?
A client wants to do basic personalization with a rule that changes a header image based on geolocation/zip code. They would like to try and cover as many individual zip codes as possible in a region. ...
- 61
6
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2
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2k
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Improving the performance of MyItems Count in Sitecore 8.1
I am trying to increase the performance of Experience Editor and one of the slowest calls is to get the number of locked items. It used to be possible to disabled this in older versions of Sitecore (...
- 9,131
6
votes
1
answer
952
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Sitecore Experience Editor Slow on Servers?
Does anyone have any ideas why Experience Editor would take 5-6 seconds to display a component I add when running on development or staging servers vs less than 2 seconds when running Sitecore and the ...
- 9,131
6
votes
0
answers
512
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Sitecore JSS integrated mode performance tuning
I hope you all are doing well and safe.
Today I am here to ask a question specific to Sitecore JSS performance.
Category - Sitecore JSS integrated mode, performance issue
Sitecore Version - 9.2, ...
- 213
5
votes
1
answer
5k
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Sitecore Implementation - HTML Cache Control Setting options
We are building a very transnational membership portal on sitecore platform. So Rendering output caching is not a good option for us.
Per this htm-caching guideline (https://developers.google.com/web/...
- 2,263
5
votes
2
answers
342
views
Is there a downside to enabling the Sitecore Pipeline Profiler?
The Sitecore Pipeline Profiler is disabled by default. What is the performance impact when enabling it?
Is it recommended to only do this in development, or can it be safely run in production?
- 565
5
votes
1
answer
685
views
How to share Sitecore caches (item, data, prefetch,etc NOT session state) on Azure PaaS between Web Apps
I can't find any docs on this so I assume it's not possible, but...
If you run Sitecore in Azure PaaS and have scale-out enabled (e.g. you're running 2x S3 instances) then can you have a shared/...
- 105
4
votes
3
answers
1k
views
How to avoid unnecessary calls in 8.2 Content Editor
recently we upgarded to sitecore 8.2
and while selecting an item in the content editor i see so may calls to the server
/sitecore/shell/Applications/Content-Editor?ic=Apps%2F48x48%2FPencil.png&...
- 1,059
4
votes
2
answers
4k
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Sitecore pre-fetch cache setting clarification
Looks like out of the box prefetch cache setting has item and children set to items which no longer use. I've gone and added below on both master and web database settings.
<prefetch hint="raw:...
- 2,263
4
votes
2
answers
937
views
Performance issue when inserting item to Lucene index
I have a Sitecore 8 instance with a bucket with aprox. 150K items, and like 200K total.
Publishing is working very slow. I mean, really slow, sometimes 5 items per second. I've stripped all code we ...
- 193
4
votes
2
answers
729
views
How to refresh prefetch cache?
How prefetch cache update its cached item, If I change the content of Sitecore item? And also other ways of prefetch cache refreshing?
- 339
4
votes
1
answer
599
views
Duplicate Items In Specific Languages
Is there an efficient way to copy a subtree of items but only keep language versions from the original items that a user chooses? Currently I have a process which duplicates items and then removes the ...
- 2,477
4
votes
1
answer
590
views
Disabling the Glass lambda cache
I believe an issue we're running into might be related to the lambda cache in Glass - I'm also concerned about the performance ramifications if we were to disable it. Has anyone done this and ...
- 1,205
4
votes
1
answer
438
views
Caching Experience Editor JS and CSS
As part of the performance improvements I've been working on for Experience Editor in Sitecore 8.1 I wanted to cache the Ribbon files. I followed the guidance here to put them into the browser cache ...
- 9,131
4
votes
1
answer
570
views
VisitorIdentification() is impacting page load time
Upgraded from 7.2 to 9.0.2 and experienced pages are loading slow comparatively.
During performance testing used DynaTrace and observed that VisitorIdentification() is taking more than 60% of the ...
- 2,534
4
votes
0
answers
206
views
SitecoreRequestScopeModule holding many objects leading to memory leak
We are seeing a steady memory growth on our Sitecore 8.2 update 1 application. We had AUTOFAC DI previously and have been completely replaced with Sitecore OOB MS DI.
We followed some guidance from ...
- 2,263
4
votes
0
answers
749
views
Load standard Sitecore JavaScript files asynchronously
Our client wants us to improve the performance of the solution and used https://developers.google.com/speed/pagespeed/insights/ to test it. Now "Google Insights" says:
Your page has 2 blocking ...
- 611
3
votes
2
answers
1k
views
Many hours to delete 670 old versions of an item - Sitecore 7.2
So, it turns out the home page of our site has 670 versions so Im looking at removing or archiving most of them.
In the Sitecore content editor, if I select Remove all versions (plan is to archive ...
- 961
3
votes
2
answers
1k
views
Is there a better way of disabling memory monitor hook
I am working on performance tuning for a Sitecore website. My current task is to disable memory monitor hook. For this, I am referring to Sitecore's tuning guide which can be found here. Now, ...
- 1,024
3
votes
2
answers
458
views
Can prefetch caching help me solve, first page request for every page is slow?
for some reason the first request for every single pages on our site is pretty slow. 2nd hit and subsequent are good.
Thinking of applying a patch for CD per below:
<?xml version="1.0" encoding="...
- 2,263
3
votes
1
answer
622
views
Sitecore Experience Profile slow to load
Using Sitecore 8.2 Update 4, Sitecore Experience Profile is not loading (the spinner keeps on spinning) on our Staging server using a Lucene index. This was working fine last week and i guess, it ...
- 961
3
votes
1
answer
217
views
ModelBinders vs Sitecore Debug mode
We used ModelBinders.Binders on our project to make resolving of controller action parameters easier and make code more testable.
ModelBinders.Binders[typeof(SomeType)] = new SomeTypeModelBinder();
...
- 3,711
3
votes
1
answer
417
views
Pre-compilation of Speak Views Required on every application initialize (app start)
I know Speak views (180+) are pre-complied on every app initialize ( application start) which is to optimize the performance of speak component.
Also developers can disable them if they need quick ...
- 1,099
2
votes
3
answers
256
views
When to enable Sitecore cache by query string
When should HTML Cache be enabled in Sitecore using "By Query String"? I believe one case would be search. Even in that case, on which component should it ideally be enabled?
2
votes
1
answer
145
views
Performance profiling - assess the number of items read during the execution of a method
Is there some way to track the number of items read during the execution of a method?
If you look at hostname/sitecore/admin/stats.aspx you see values such as "Average Items", "Max ...
- 6,000
2
votes
2
answers
2k
views
How to disable Content Testing in Sitecore 8.2
I tried to disable Optimization stuff for Experience editor and did everything that described here:
https://sitecoresaga.wordpress.com/2016/12/21/disabling-content-testing-in-sitecore-8-2/
and
...
- 1,166
2
votes
4
answers
284
views
Is it possible to preload an image for the hero banner in Sitecore to improve LCP?
We are trying to improve the LCP score of our site and one of the elements we want to optimize is the large image used in the hero banner of each page. Is there a way to set this image to be preloaded?...
- 55
2
votes
1
answer
251
views
Disable __UpgradeHistory rollback (.rlb) creation temporarily
For upgrades, Sitecore stores summary info and a rollback (.rlb) file in Website/temp/__UpgradeHistory for each upgrade that is done to provide a way to undo the package installation.
This occurs for ...
- 165
2
votes
1
answer
461
views
Local instance of Sitecore intermittently hangs indefinitely on initialisation following upgrade to Sitecore 9.1
We are experiencing an intermittent problem which causes the initialisation of a local Sitecore instance to hang indefinitely, and we can't seem to figure out what is causing it. It seems to vary in ...
- 33
2
votes
1
answer
254
views
Load balancing with Azure PaaS on CD
We have a Sitecore 9.2 setup using the S3 profile for the CD with 3 instances scaled out manually. I'm pretty new to managing the PaaS environment, and I'm trying to figure out if the traffic is load-...
- 5,082
2
votes
0
answers
29
views
Is there an impact of using AsParallel in a scheduled task in Sitecore
I know this may be hard to answer out of context, but are there any gotchas or things to be aware of when using AsParallel within a Sitecore scheduled task?
We have a scheduled task in our solution ...
- 6,000
1
vote
4
answers
514
views
Optimize Homepage Load Speed
Any way I can reduce these numbers? This is the only page that loads incredibly slow compared to others. I enabled Debug in Experience Editor to see this. Sometimes the page loads slow sometimes it ...
- 59
1
vote
1
answer
3k
views
What could cause Sitecore to use high CPU? [closed]
We are having high CPU issues on our CD servers while running Sitecore 9. The CPU on each server (Quad core 2.6GHz Intel Xeon) are nearly maxed out while the memory usage remains fine. We have load ...
- 299
1
vote
1
answer
885
views
Does Sitecore website performance improve when serving traffic over HTTP2
Does migrating Sitecore website from IIS 8.5 to IIS 10.0 for gains of HTTP2(Page Load speeds) make site performing well. Does anybody have done test or have experience of doing so, to share here.
I ...
- 127
1
vote
1
answer
49
views
What is the best practice approach to populating a navigation component
I have been spending a bit of time looking at the Sitecore Debugger. Using this you can see the 'hotspots', the components on the page that take the longest time to load and make the most calls to the ...
- 777
1
vote
1
answer
160
views
When does prefetch cache filled up completely
I was trying to see how much prefetch cache is being utilized on my CD server. I accessed cache status pages and found out that they are not getting filled after restarting the app (I made config ...
- 235
1
vote
2
answers
2k
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Get Optimized Image in sitecore
I am using below setting in my application to reduce file size, but no luck. Sometimes it is giving bigger than the original size.
Media.UseLegacyResizing -> value=true
Media.InterpolationMode -> ...
- 59