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I'm trying to create a scheduled task that updates less than 5% of the tasks on project server but am having a problem with the ReadProject method taking way too long to complete;

Essentially because this is happening over web services a gigantic 200MB xml file is generated to represent the task data which is then only converted back to objects; The call can take up to 2 minutes to run.

I've had a poke around in the database and can get at the data I need with a quick query and get the data back in a reported 0ms (probably somewhere between 0 and 16ms ?); however; I do need to update some of the task data's custom fields and I'd rather not do this via the database unless I have to.

Are there any better ways to access projects; return only a specific set of tasks; update those and check them back into the project?

Many thanks in advance, Chris

Jon Iles
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Christopher Lightfoot
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1 Answers1

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I ended up just going in via the database to read the data I wanted and then if I was making any changes use the PSI interface;

I also made sure to mark the items as updated if I changed anything and then only get the changes to submit back to the server. PSI has a limit of about 1,000 items so you need to batch them up if you have more than that. Wish that was documented in the function description... bloody msdn docs :(

Christopher Lightfoot
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