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ArcGIS Server temp files

MichaelJenkins

We are seeing .tmp files in the C:\Users\<account name>\AppData\Local\Temp that are not getting cleaned up. This directory has over 57 thousand files, dating back to Jan 2023.

One tmp file has today's date and it over 100 GB in size. It set off monitoring alerts today for using so much space.

Two questions, then. Why is the temp file so large and why arent temp files getting cleaned up?

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ModyBuchbinder

Hi all

Is your files are temporary map services files or any other?

On my side it looks that if the directories of the server are on network drive and for some reason there are problem accessing it (even for a short time) it writes to the profile.

The server manage the original directories but sometime fail to manager the profile directories.

RuchiraWelikala2

Facing this issue as well. I delete my temp files every few weeks on the hosting servers but the same .msd files seem to come back. They have the same "date modified" dates too from when the server was first setup and configured in 2022. It has since been upgraded to 11.3 but the files always return and add up to something like 25GB. Very frustrating.

bixb0012

Instead of manually checking it and cleaning it up, just create a scheduled task on each ArcGIS Server machine that will delete all the temp files on some regular basis. If a temp file is actively in use and has a lock, the file won't be deleted, but everything else will be.

MichaelJenkins

Thank you @ChrisUnderwood and @JoshuaBixby . None of those things happen on this server (site backups etc)

I went to Esri support with this question and was told the temp files are created when a process fails but that there is no way to tell what process created them. While it would be useful to know that, I was hoping to find an answer as to why these "temp" files are persisting for so long. It seems like they should be automatically cleaned up by either ArcGIS Server or Windows OS.

Apparantly that is not the case, though, and what we are seeing is expected behavior. So the lesson learned is to check your service account's appdata\local\ temp directory at least a few times per year and clean out the old stuff, or if your C drive suddenly fills up unexpectedly.

bixb0012

As Chris is trying to help you tease out, there are a variety of issues that may be occurring. Instead of trying to troubleshoot what has happened over the past 18 months, why not clear out the temp folder and then start watching it more regularly. That way, you will have a much better idea of what is happening on ArcGIS Server around the time a bunch of temp files are created and not cleaned up.

Chris Underwood

Thanks for the update. Are you able to tell, for example by file Dates & Times, if the .tmp files relate to running a site backup (via WebGISDR, backup,py, or exportSite etc). If so, do any of those backup mechanisms fail in any way ?

MichaelJenkins

It is the service account used to run the 'ArcGIS Server' service.

Chris Underwood

Hello @MichaelJenkins is <account name> your username, or the ArcGIS Server account's username, or even another user's username ?

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