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(25th Aug, 2013 07:17 PM)f1vefour Wrote: [ -> ]

(25th Aug, 2013 06:58 PM)rikardo1979 Wrote: [ -> ]to my knowledge the size of buffer you referring to has no effect on local files or local streams but only internet streams.
And if you finally post some info I asked at first we may actually move somewhere

Actually the buffer applies to any stream (NFS, SMB, Internet and UPnP).

well im not sure but when i was playing with it,it did not make any difference on local streams an Im always able to stream local 20+ Gb of size mkv files with no problem over wire using NFS or SMB

XBMC "intelligently" throttles streaming based on the playing videos bitrate, sometimes XBMC gets it wrong or some other process needs bandwidth.

This is when the cache becomes important, with a larger cache XBMC has more time to recover from any mishap (dropped packets, retransmissions..etc). Otherwise a larger cache won't help if the issue is something else, or if you have no issue the cache size becomes unimportant.