Comment 94 for bug 561210

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Timo (timo-de) wrote :

Having the same problems:

NFS (v4) share on freeBSD 8.03 up-to-date (Jan 2013)
Ubuntu 12.10 64bit up-to-date (Jan 2013)

I can copy (read) big files with consistant rates at about 70MB/s from the NFS share.
But when I write to the share it starts with 70MB/s for about 3 seconds, then transfer speed drops to 0 MB/s (really zero, see with nfsstat), and after 80 sec the transfer speed goes up to about 40MB/s for like 10sec, then it drops to 0 MB/s again, this repeats until the file is fully transferred.