Zaphod Beeblebrox zbee...@gmail.com writes:
While the link is slow, it is really directly connected with a latency
of 10ms or so.
10 ms is pretty high. A direct connection (same Ethernet segment)
should have a round-trip latency well below 1 ms.
DES
--
Dag-Erling Smørgrav - d...@des.no
Play with the read-ahead mount options for NFS, but it might require
more work with that kind of latency. You need to be able to have
a lot of RPC's in-flight to maintain the pipeline with higher latencies.
At least 16 and possibly more.
It might be easier to investigate why
I must say that I often deeply respect your position and your work,
but your recent willingness to jump into a conversation without
reading the whole of it ... simply to point out some point where your
pet is better than the subject of the list... is disappointing. Case
in point...
On Mon, Dec
I'm just covering all the bases. To be frank, half the time when
someone posts they are doing something a certain way it turns out that
they actually aren't. I've learned that covering the bases tends to
lead to solutions more quickly than assuming a perfect rendition.
For
Oh, one more thing... I'm assuming you haven't used tcpdump with
NFS much. tcpdump has issues parsing the NFS RPC's out of a TCP
stream. For the purposes of testing you may want to temporarily
use a UDP NFS mount. tcpdump can parse the NFS RPCs out of the UDP
stream far more
On Sun, Dec 20, 2009 at 12:27 AM, Dan Nelson dnel...@allantgroup.com wrote:
In the last episode (Dec 19), Zaphod Beeblebrox said:
Here's an interesting conundrum. I don't know what's different between
the TCP that scp uses from the TCP that NFS uses, but given the same two
FreeBSD machines,
In the last episode (Dec 21), Zaphod Beeblebrox said:
On Sun, Dec 20, 2009 at 12:27 AM, Dan Nelson dnel...@allantgroup.com wrote:
In the last episode (Dec 19), Zaphod Beeblebrox said:
Here's an interesting conundrum. I don't know what's different between
the TCP that scp uses from the TCP
In the last episode (Dec 19), Zaphod Beeblebrox said:
Here's an interesting conundrum. I don't know what's different between
the TCP that scp uses from the TCP that NFS uses, but given the same two
FreeBSD machines, SCP fills the pipe with packets better.
Examine the following graphic:
Here's an interesting conundrum. I don't know what's different
between the TCP that scp uses from the TCP that NFS uses, but given
the same two FreeBSD machines, SCP fills the pipe with packets better.
Examine the following graphic: http://www.eicat.ca/~dgilbert/example-mrtg.png
The system
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