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Created attachment 163277 [details] json-opening This is a big problem for me, I have a JSON file for liquibase, this is a changelog file with the liquibase syntax to update the database. The file is round about 55kb big, has 110 lines and has a lot of insert objects inside of it. It tooks round about 5 seconds or so to open the file and to interact with it and to scroll. It hangs when I scroll for a few seconds. I added snapshots for opening the JSON file (json-opening) and a snapshot for scrolling inside the JSON file (json-scrolling) If the json file needed, I have to change the content inside of it. Regards Chris
Created attachment 163278 [details] json-scrolling
The hot spots are: com.sun.jna.Native.invokeInt[native]() ~30s sun.font.SunLayoutEngine.nativeLayout[native]() ~ 18s