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FSC WAN acceleration tuning parameters

Use the following parameters in the specified configuration files to tune FSC WAN acceleration. Additionally, use the FSC_MaximumWANDownloadSockets environment variable to control the number of sockets used for WAN acceleration downloads. Name Default value Description FSC_WANThreshold 256K Defines the minimum file size allowed for the FSC to use WAN acceleration for file downloads. The minimum value is 32K. Reducing the value may improve performance when processing relatively small files. Specify this value in the FSC configuration file or in the fscdefaults section of the FMS primary configuration file. For example: Copy FSC_WANChunkSize 256K The maximum file chunk size (from 32K to 2M) that the FSC is allowed to request. Increasing this value reduces the number of parallel requests, which may result in performance improvements when bandwidth is limited. Specify this value in the FSC configuration file or in the fscdefaults section of the FMS primary configuration file. For example: Copy FSC_DoNotCompressExtensions File types to be excluded from being compressed during download when the FSC is using WAN acceleration. All files of the specified types are processed without using WAN acceleration. Increase performance by not attempting to compress files that are already compressed. Specify this value in the FSC configuration file or in the fscdefaults section of the FMS primary configuration file. For example: Copy maxpipes 10 The number of sockets (from 2 to 10) the FSC opens for a file download when using WAN acceleration. Decreasing this value allows for more requests to be handled simultaneously. Increasing this value allows processes to be processed more quickly. Setting Maxpipes to 1 effectively disables WAN acceleration. Specify this value in the linkparameters section of the FMS primary configuration file. For example: Copy Specifying an invalid value resets the parameter value to the nearest valid value.

Source: https://docs.sw.siemens.com/documentation/external/PL20251212545240207/en-US/tc_help/AWAdmin/fhs4814155880506/uuc1737238583853/uly1737238584432/vcj1737238585063/fscWebRAIDtuning.html · retrieved Fri Jul 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time)