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[LDM #XXW-990118]: LDM - Not your average latency problem
- Subject: [LDM #XXW-990118]: LDM - Not your average latency problem
- Date: Thu, 19 Oct 2006 12:25:31 -0600
Mike,
I infer the following from the MRTG and the rtstats(1) plots for SonomaTech: 1)
the SonomaTech LDM restarted around noon WDT on the 18th; 2) it saturated the
pipe; 3) it didn't catch up until just before 1700 WDT; 4) throughout the
subsequent night, the pipe was occationally saturated; and 5) the pipe became
saturated again around the start of the workday at SonomaTech.
Judging from this and the good performace of the LDM in sending the same
data-products from Rossby to here, I think it's safe to say that SonomaTech's
pipe just isn't big enough to receive the data-products that it's requesting.
Merging all the requests into one was done to validate the hypothesis that a
SonomaTech router was favoring higher-volume LDM connections at the expense of
lower-volume ones. That appears to be the case.
SonomaTech needs to either reduce the data that it requests or get a bigger
pipe, in my opinion.
Regards,
Steve Emmerson
Ticket Details
===================
Ticket ID: XXW-990118
Department: Support LDM
Priority: Normal
Status: Closed