Re: Significant response time delays between 8.0 and 8.1

On Tue, Dec 19, 2023 at 7:11 AM Steve Parry <steve.z.parry@gmail.com> wrote: > Hi Everyone. > > > > I’m a hobby programmer, so please be kind😊 > > > > I’m investigating a performance degradation that I have between PHP8.0 and > PHP8.1. I see a couple of similar issues being raised but no resolutions > that I’ve found. > > > > In my live WordPress system I have HTML/Java scripts that make multiple > ajax calls to PHP scripts on the remote hosted web server. On upgrading to > 8.1 the number of ajax calls failing with timeout increased dramatically by > a factor of between 4 to 8 depending on the frequency of calls at any one > time. > > > Are your OS libraries uptodate? > Examination of a comparison showed scripts were taking up to 15 seconds > under PHP8.1 compared to 1-2 seconds on PHP8.0. > > > > To isolate the issue I created a simple (non-WordPress) web script that on > the click of an icon uses ajax to send a retrieve request to a server > script. The server test script simply immediately returns one piece of > hardcoded dummy jSON data with no processing. > > Can you please share the code? > > > Based on the Chrome debugger Network tab, the time of the network calls > triggered from the test script under PHP8.0 are a response of around 25mS.. > Under 8.1 the timings are average 92mS. A factor of about 3.7 slower under > 8.1. This has been consistent on two separate servers. > > > > My conclusion at this point is that my test setup is reflecting the same > (or worse) time delay factor between PHP8.1 and PHP8.0 as I am having on > the full site. As my test setup is pure HTML/Javascript and PHP on the > server I think this might be an issue with PHP8.1. > > > > Any advice or assistance is keenly welcomed! Thank you in advance. > > > > Happy to share my scripts and the URL to the test script. > > > > Cheers > > …Steve > Deepak "The greatness of a nation can be judged by the way its animals are treated - Mahatma Gandhi" +91 73500 12833 deicool@gmail.com LinkedIn: www.linkedin.com/in/deicool Upwork: https://www.upwork.com/freelancers/~0150257dd6dfd15b4b "Plant a Tree, Go Green" Make In India : http://www.makeinindia.com/home