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Write speed with CFX using 2 nodes and 1gbps ethernet

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Old   February 3, 2016, 08:10
Default Write speed with CFX using 2 nodes and 1gbps ethernet
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CFD folks,

When doing larger simulation jobs in CFX, I usually use two HP nodes with 8 cores each, connected with gigabit ethernet. However, when finilizing a simulation, it takes "forever" to write the end result file. How can I best determine the bottleneck here?

I attach a screenshot of the network activity, where green is total data communication, yellow is sending, and red receiving data. Here it took more than 4 minutes to merge/write the file and finish up. Shouldn't it be quicker than that? End file is 5GB.
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File Type: png Ansys cfx 162 write time annoying.png (28.6 KB, 14 views)
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cfx 16.2, network traffic, write to file

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