[#IDEADEV-9194] IDEA is very slow and unresponsive when renameing/moving heavily used classes

IDEA: Development

IDEA is very slow and unresponsive when renameing/moving heavily used classes

Created: 26 Jul 06 03:49 Updated: 27 Sep 07 22:08

Component/s:

Refactoring

Fix Version/s:

Diana Final

Original Estimate:	Unknown	Remaining Estimate:	Unknown	Time Spent:	Unknown
File Attachments:	1. idea-slow-move.zip (1.95 Mb)
Environment:	Windows XP

Build:	4,267
Severity:	High

Description

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I am moving to another package a class that is used in about 1000 classes within the project. It takes about 20 minutes with 100% CPU burn to complete and IDEA is an unresponsive grey-box during the process.

I have taken the profiler snapshot of what's going on. (Attached)
It seems that most of the time is spent optimizing imports. This is not needed (in my case, at least) because when the code is committed to the vcs, imports are optimized.

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Alexander Chernikov - 07 Sep 06 18:37

Build 5667. For arbitrary primitive project, where 1000 classes refers to 1 class move takes about 3 min 30 sec, rename takes about 2 min. The issue is to be investigated.