On 5/29/2011 4:11 AM, Mikolaj Golub wrote:
This might be MSG_WAITALL issue I described on net@ (look for the thread
"recv() with MSG_WAITALL might stuck when receiving more than rcvbuf", and
also kern/154504).
Could you please try the patch?
http://people.freebsd.org/~trociny/uipc_socket.c.patch
Yes, installing this patch on both client and server has solved this
issue. Synchronization now goes much faster.
I would also like to get your input on my two other patches -
randomization of the synchronization pattern and ad-hoc asynchronous
more. Hastd appears extremely useful to synchronize large virtual disks
over slow links without taking live virtual machine offline.
-Maxim
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