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Date/Time: Sun, 12 May 2024 19:02:58 +0000



Post From: No CME Group futures data

[2018-11-09 08:29:04]
Sierra Chart Engineering - Posts: 104368
We have implemented a solid solution to this particular issue and it will be released over the weekend.

This is a very rare event to lose either the A or B feeds from the CME. And when that event happens, it will be detected after 3 minutes and there will be an automatic changeover to the other set of feeds. We cannot make it instantaneous because we can only detect this type of condition by a complete loss of activity. And we think that if three minutes goes by, with no packets at all that that is an unusual condition.

And as we said before we do not use both sets of feeds at the same time on the same server because we do not want to introduce any packet loss or performance problems when we are trying to guard against a scenario that happens only .0001% of the time. It is not worth it.

We can only remember this happening this time, and once before which was at least a year ago. And that particular event, the origin of it was on the CME side due to a misconfiguration of one of their network switches. And what the origin was at this time, we do not know. Barchart only told us they lost the B feeds.

We have configured though each server to use a different set of feeds so there will not be any missing historical data in the event this happens again.
Sierra Chart Support - Engineering Level

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Date Time Of Last Edit: 2018-11-09 08:33:44