Does indexing is the same as synchronizing?

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My IntelliJ keeps "synchronizing file ..." message in the background. I think I already excluded big folders that I don't want to index. How to disable 'synchronizing file...'? It really slows down. Is it the same as 'indexing'? I thought they are different.

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It's not the same. How many files do you have in the project directory? Are they on the local drive?

Does https://www.jetbrains.com/idea/nextversion/ has the same problem?

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I haven't tried the new version. I will try if it helps. On local drive. 

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Hi, Serge:

 

Unfortunately, I removed 2017.1 and then tried 2017.2 and 3, but always failed to start up:

abigail@abilina:~/tools/idea-IC-172.4343.14/bin$ ./idea.sh  

java.lang.OutOfMemoryError: Java heap space
Dumping heap to /home/abigail/java_error_in_IDEA.hprof ...
Unable to create /home/abigail/java_error_in_IDEA.hprof: File exists

I starts up and starts indexing, but shortly I always got this OutofMemory issue. I have 64G memory. Kbuntu. I have been using Idea for a while. 

 

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I also tried "-Xmx1024m" in idea.vmoptions, but it doesn't help.

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Please try with -Xmx4G

Are there any symlinks in the project paths?

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Unfortunately. The same problem. doesn't help. No symbolic link

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Delete /home/abigail/java_error_in_IDEA.hprof file, when the new one is created, upload it at https://intellij-support.jetbrains.com/hc/articles/206869619 with some unique name and post the name of the file here so that we can investigate what happens. Also upload the logs directory zipped (https://intellij-support.jetbrains.com/hc/articles/207241085).

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