2024.3 is a slideshow
Answered
Just upgraded to 2024.3 and it's extremely slow. Opening a package or directory in the project window takes minutes (just clicking on a package name that is, for every lower package or directory it takes just as long).
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Does the problem go away if you temporarily disable all of the non-bundled plugins and restart the IDE? File | Settings | Plugins | ⚙ | Disable all downloaded plugins
If not, please provide for analysis:
1. IDE logs (entire archive): Help | Collect Logs and Diagnostic Data. I will search for exceptions and check your system environment settings.
2. A CPU snapshot of at least 20-30 seconds of poor performance: Help | Diagnostic Tools | Start/Stop CPU Usage Profiling
Files can be uploaded privately to our server at https://uploads.jetbrains.com. Make sure to share the id of the upload here so that I can find it.
Experiencing slow performance as well, disabling plugins did not help. May be related to https://intellij-support.jetbrains.com/hc/en-us/community/posts/22618986779538-2024-3-Subversion-tab-changelists-continually-updating?
No problem with opening packages or so in the project tree though. But when opening a file, it says analyzing in the upper right corner, and that does not finish (or I haven't seen it finish yet at least). The normal colored syntax highlighting also does not appear (or only with extreme delay).
I created a CPU snapshot and uploaded it: Upload id: 2024_11_14_pGkRw4ZKLJxRvjeGFUkwnX (file: IU-243.21565.193_ip_14.11.2024_10.26.13.zip)
Disabled plugins and it became quite a bit faster. Reenabled them and it's still fast (not as fast as 2024.2.4 but fast enough). Don't know what to make of that. Maybe something in the plugin loading order?
Upload ID: 2024_11_14_CENrHRhLoD6uiNXLV7kmau (files: idea-logs-20241114-10335613338896061315135780.zip, IU-243.21565.193_jewe_14.11.2024_10.35.39.zip)
I do have the same problem. 2024.3 is unusable. Disabling the plugins helped a little, but it is still very slow.
It feels much slower on different machines (Mac OS and Linux)
J.T. Wenting
The snapshot you provided shows multiple invocations of the Java Data Flow inspections and code vision hints, as well as some UI repainting happening. There's also activity related to Kotlin search that has caused a few spikes in CPU usage.
Does it make a difference if you disable the Kotlin plugin (along with all custom plugins) and restart the IDE?
Boon Please submit a new bug report about your problem to YouTrack. Make sure to provide logs and a CPU snapshot as per this comment.