5. Moving data between CSC and local environment
The disk environment of CSC allows user to deal with very large datasets. However, transferring large datasets to CSC can take a long time. Data transfer performance depends mostly on available bandwidth and distance or latency of the connection. Recent operating systems have automatic TCP buffer tuning feature that improves data transfer performance. Firewalls and VPN-tunnels may cause performance degradation. Transferring a 1 GB file to/from CSC computing environment should usually not take more than a minute or two in an organisation network connected to Funet. Contact IT-support in case of problems.
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