Why is file history very slow with Visual Studio?
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Using the Visual Studio 2010 plugin with RTC 4.0.4 why is it taking a very long time (4 minutes) to get the history for individual files (right click in the source code for a file and select "Show History")? On monitoring the network connection in the Resource Monitor, I see that devenv,.exe (not scm.exe) is spending all this time communicating with the remote Jazz server (at about 1.5 Mbit/sec). In other words it is transferring about 40 Mbytes of information to get the history for a 2 KByte file. The history itself has only 8 versions!
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3 answers
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Eclipse and VS client use different ways for accessing data, the VS client will be hit slightly more on a slower network.
But it is not expected to take this long for sure. We will require logs to investigate this. Can you please open a defect and attach the logs.
You can use this link for creating a bug against Rational Team Concert:
This link shows how to collect the error logs:
Please set the error level to verbose for collecting the logs.
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During some performance checks, we also noted another difference between the VS plugin and the Eclipse client w.r.t. networking.
Visual studio uses the proxy settings from internet explorer, which might be different from the network routing of the rest of the system. As a result, the performance of Visual Studio can differ seriously from the Eclipse client (e.g. via a proxy server or not) |
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Is it only slow for Visual Studio, or also in the Eclipse Client?
Testing one small file a few minutes ago (we have a very variable speed link to the Jazz server). Opening the file in the relevant IDE and view the file history. These were not done simultaneously however.
Eclipse: 34 Seconds
Visual Studio: 7 Minutes.