topic Re: SynchronizeChanges_management Much Slower using Arcpy, than Geoprocessing Tool in Python Questions

SynchronizeChanges_management Much Slower using Arcpy, than Geoprocessing Tool

JustinGreco — Mon, 12 Dec 2016 14:27:24 GMT

When I run the synchronize changes geoprocessing tool in ArcMap, it only takes under 10 seconds when there are no changes. However if I run this in arcpy it takes up to a minute to run. Any thoughts why its so much slower when running in a script?

Re: SynchronizeChanges_management Much Slower using Arcpy, than Geoprocessing Tool

LukeWebb — Tue, 13 Dec 2016 10:41:26 GMT

try this script and see how long it takes to run:

import arcpy

Depending on your infrastructure, it can take 30 seconds++ to load a license of ArcMAP (the equivilant of opening arcmap desktop) which a external script is required to do each time its run.

Re: SynchronizeChanges_management Much Slower using Arcpy, than Geoprocessing Tool

JustinGreco — Tue, 13 Dec 2016 13:45:57 GMT

I have it printing a message before it executes that's GP tool and it that prints within 5 to 10 seconds. Then the command finishes at close to 2 minutes. My work around to get it to execute faster was to publish the GP results to ArcGIS Server and the just make Rest calls in Python. This is actually faster than ArcMap, since server is 64bit. Get around the loading time since instances are already available.

Re: SynchronizeChanges_management Much Slower using Arcpy, than Geoprocessing Tool

MarkL — Wed, 13 Jun 2018 15:49:33 GMT

Hi Luke,

Did you ever resolve this issue?

Re: SynchronizeChanges_management Much Slower using Arcpy, than Geoprocessing Tool

LukeWebb — Fri, 20 Jul 2018 15:49:28 GMT

Hi Mark,

For us, our license server is in the USA, whereas we work in the UK. We notice that the script above can on a good day, run in approx 5 seconds. But when our LAN is slow, it can take 30-45 seconds, which when your changing 1 charecter in a script can be frustrating.

Checking out (borrowing) the license using Adminstrator may help, havent actually tried it! (Dont do much python at the moment sadly)