High Cache Usage

Hi,

A couple of days ago I installed Syncthing on a Windows Server 2012 R2 Standard and it’s all working fine. But this morning I got the following error message:

2020-03-12 09:15:51: Error on folder “901 - Profile” (profile901): insufficient space on disk for database (C:\Users\peter.brown\AppData\Local\Syncthing\index-v0.14.0.db): 0.5 % < 1 %

I have used Synthing to synchronise around 3.5gb of data in around 10 folders.

On checking the server C drive I found 28gb free of 349gb.

My colleague noticed a high cache usage on the C drive and wondered if Syncthing could be the cause.

So I have a couple of questions:

  1. Would you expect Syncthing to produce a high cache usage.

  2. If so can the cache size be reduced?

  3. Is it possible to have the program run from the C drive but use the larger server D drive for the cache?

Thanks for your help, Pete

I don’t know what cache usage is.

Hi, thanks for your reply, Just to clarify, do you not recognise my use of the term cache or do you not know what would be considered high?

Neither. But what Syncthing does store is the index which you’ve found.

yes its about 4.4mb

So are you saying that Syncthing does not use ‘cache’ or ‘temporary storage’ while running so that it can operate faster, negating the need to re-fetch the original data each time it needs it?

Nope. In my understanding, this is just a “list” of your files. Syncthing cannot know when a file was last changed if it does not know the date of the previous change. The file’s content is not stored there

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Syncthing creates temporary copies of files while it’s syncing them, beside the original in the same directory. Otherwise no, there is no cache. I still don’t know what high cache usage means, but I doubt Syncthing is the cause.

Ok thanks for your help, I will restart it and see what happens, sounds like the problem is elsewhere. I appreciate your quick responses. Pete

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