Clion IDE becomes very sluggish after a few minutes of use.

Hello,

I'm using Clion version 2016.1.3 and noticed that the IDE has become next to useless.

I have a quite a few open documents including detached ones. I then looked at system monitor and 

found that java process was using 70% of cpu.

When I stop typing the cpu usage goes down to 0 but as soon as I start typing cpu usage shoots 

up to 50% to 70%.

I hope this issue is investigated ASAP because using Clion has become unproductive.

Any one else experienced this problem?

Platform Ubuntu 14.04.

 

5 comments
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Hi Joseph.

Sorry for the inconvenience! Please capture a CPU snapshot so we can take a look at what is going on. You can upload it to our FTP server: ftp://ftp.intellij.net/.uploads/ (anonymous login, .uploads directory has no permissions to list/download files, only for upload, so that other users will not be able to download your snapshots) and provide us its name. It would help us in our investigation!

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Hi Anna,

Thanks for your reply.

I've attempted to upload via ftp using filezilla.

The file is called "while_typing_in_the_ide.png" and uploaded to ./upload folder.

Let me know if transfer was unsuccessful.

Thanks.

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Hi Anna,

I sent the screenshot before I read all the info.

I've located the dump files and zipped them up and named the upload as clion_ide_freezes_for_short_periods.rar 

and saved in your ./uploads folder.

Thanks.

 

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Hi Joseph.

We've analyzed thread dumps but CPU snapshot will be more informative for the detection of the problem. Could you please capture it according to this guide

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Hi Anna,

I followed the link and updated the .vmoptions  and the .sh file 

and I started the cpu capture and then stopped the capture but I 

wasn't asked to name the file and can't find it anywhere.

Also when I clicked on Help and clicked on Edit Custom VM options the IDE didn't find the 

file in ~/.CLion2016.1/.  However I found the file the bin/ folder where clion was installed.

Really confused.

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