| Java Editor extremely slow on larger (10000 lines) files [message #1736188] |
Mon, 27 June 2016 08:09  |
Eclipse User |
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Hi all,
Since updating to Eclipse Neon I'm suddenly facing an issue with the Java Editor Window becoming quite slow and unresponsive on large files (e.g. Java Source Files with >10.000 lines).
The same files can be edited in Mars.2 flawlessly without any performance impact.
What I did so far was to completely reinstall Neon, choose a fresh workspace and disable anything that seems to be related to editor performance, such as code recommenders, displaying errors while typing, word/line wrapping etc.
The issue persists.
It's really like whatever I add to or remove from the java code, it always takes at least 1-2 seconds for the editor to react.
For instance marking a code block "feels" sluggish already, increasing it's indent by hitting the tab key locks up the editor for 5-10 seconds, pressing crtl+z to undo the indent locks it up for another 5.10 seconds again.
None of this happens with Mars.2 on the same file.
Any ideas what might have made Neon that much slower?
Best regards - Mike
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