Brian R Cowan wrote: > Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote on 06/04/2009 02:04:58 > PM: > >> Did you try turning off write gathering on the server (i.e. add the >> 'no_wdelay' export option)? As I said earlier, that forces a delay of >> 10ms per RPC call, which might explain the FILE_SYNC slowness. > > Just tried it, this seems to be a very useful workaround as well. The > FILE_SYNC write calls come back in about the same amount of time as the > write+commit pairs... Speeds up building regardless of the network > filesystem (ClearCase MVFS or straight NFS). Does anybody had the history as to why 'no_wdelay' is an export default? As Brian mentioned later in this thread it only helps Linux servers, but that's good thing, IMHO. ;-) So I would have no problem changing the default export options in nfs-utils, but it would be nice to know why it was there in the first place... Neil, Greg?? steved. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
