php-language-server Extension causes high cpu load

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Issue Type: Performance
Extension Name: php-intellisense
Extension Version: 2.3.10
OS Version: Linux x64 3.10.0-957.12.2.el7.x86_64
VSCode version: 1.34.0

:warning: Make sure to attach this file from your home-directory: :warning:/home/jacques/felixfbecker.php-intellisense-unresponsive.cpuprofile.txt

Find more details here: https://github.com/Microsoft/vscode/wiki/Explain:-extension-causes-high-cpu-load

May 25 '19 14:05 jadupl2

It looks like its spawning php and not killing (or reusing) the previous process.

Jun 11 '19 01:06 sirking1991

Same problem on vscode 1.36.0-insider, 99% cpu load

Jun 14 '19 08:06 tiptronic85

This is a huge issue for me. I do a lot of workspace switching on very large projects (Drupal), and the parser re-runs every single time I switch projects:

Parsing file:///c:/Users/.../dev/vendor/composer/include_paths.php (ad infinitum) [Info - 10:52:39 AM] All 16427 PHP files parsed in 797 seconds. 572 MiB allocated.

That's 13 minutes of extremely high CPU usage every time I open a workspace. Additionally, it takes over the "Output" tab and causes my terminal tab to lose focus.

There needs to be a way to pause or halt the parser, or possibly cache the parsed files.

Jun 18 '19 15:06 adambernstein

Huge issue for me too, using a MacBook Pro i9 processor.

Jul 08 '19 14:07 daxter1987

Seems like this extension is not maintained anymore (looks like @felixfbecker have lack of time or will to continue maintaining it) looking at need help badges on issues as well as unanswered queries. So only options are (1) someone takes over the project (forking or being added as member) and keeps maintanance (2) Move to something more maintained

I have seen Serenata being actively maintained but am not sure if there is VSCode extension. In VSCode I have switched to Intelliphense and works fine!