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Date/Time: Wed, 27 Nov 2024 12:21:16 +0000



Post From: Denali feed slow during news

[2023-09-01 17:36:14]
Sierra_Chart Engineering - Posts: 17191
Are you sure 9 AM Eastern time? We think you mean 10 AM Eastern time which was the highest bandwidth time today.

Portugal is 5 hours ahead of Eastern time at this current time.

The network communication problem can be anywhere. It simply could involve the ISPs, used by our service provider. It can be anywhere. It may not be local to your ISP at all.

But there is something definitely wrong here, that is not making sense and is not of fault on the Sierra Chart side. There is something else going on that is clear to us.

But we also want to know what server you were connected to at the time. The heartbeat messages now include that. That helps us diagnose further.

Please only speak for yourself and not others. This is most important.
the very same problem that many other Sierra Chart users have.
It is fully incorrect to say that other users are having the problem. How could you possibly know that. You cannot. From our perspective, we can never accept that. We have to work with each individual case individually.

With that kind of attitude maybe you should think to change the name from Denali to "Denial".

Now you can lock this thread too.

No that is not true. The more that we are looking at this the more we realize this is not a problem with the Denali Data Feed.

We need to see the heartbeat messages.

And there is a simple way to prove the problem.

Here are the heartbeat messages at 10 AM Eastern time on our side monitoring from Michigan. The slight message delay either positive or negative. Is simply due to clock differences.
Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=5, NumberOfOutstandingSendBuffers=1, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=376, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=69174583, CompressionTime=0.334355(secs), NumCompressions=54951, Source=10.10.20.72 | 2023-09-01 09:58:29.168

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=5, NumberOfOutstandingSendBuffers=1, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=119, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=69348295, CompressionTime=0.335309(secs), NumCompressions=55144, Source=10.10.20.72 | 2023-09-01 09:58:49.110

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=5, NumberOfOutstandingSendBuffers=1, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=883, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=69546762, CompressionTime=0.336254(secs), NumCompressions=55332, Source=10.10.20.72 | 2023-09-01 09:59:09.116

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=5, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=186, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=69679261, CompressionTime=0.337065(secs), NumCompressions=55519, Source=10.10.20.72 | 2023-09-01 09:59:29.090

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=5, NumberOfOutstandingSendBuffers=1, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=541, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=69795660, CompressionTime=0.337812(secs), NumCompressions=55695, Source=10.10.20.72 | 2023-09-01 09:59:49.064

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=3, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=341, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=70171644, CompressionTime=0.339150(secs), NumCompressions=55829, Source=10.10.20.72 | 2023-09-01 10:00:09.132

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=4, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=465, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.69, UncompressedBytes=70915016, CompressionTime=0.341765(secs), NumCompressions=56005, Source=10.10.20.72 | 2023-09-01 10:00:29.120

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=2, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=14346, ActualMessageDelay=-0.2 seconds, DataCompRatio=2.69, UncompressedBytes=71656343, CompressionTime=0.343956(secs), NumCompressions=56130, Source=10.10.20.72 | 2023-09-01 10:00:49.510

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=4, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=4428, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.70, UncompressedBytes=72611621, CompressionTime=0.346587(secs), NumCompressions=56244, Source=10.10.20.72 | 2023-09-01 10:01:13.068

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=3, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=895, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.70, UncompressedBytes=73127373, CompressionTime=0.348374(secs), NumCompressions=56422, Source=10.10.20.72 | 2023-09-01 10:01:29.104

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=3, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=2831, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.70, UncompressedBytes=73713117, CompressionTime=0.350375(secs), NumCompressions=56646, Source=10.10.20.72 | 2023-09-01 10:01:49.108

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=3, NumberOfOutstandingSendBuffers=1, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=130, ActualMessageDelay=-0.2 seconds, DataCompRatio=2.70, UncompressedBytes=74196628, CompressionTime=0.352143(secs), NumCompressions=56852, Source=10.10.20.72 | 2023-09-01 10:02:09.141

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=3, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=0, ActualMessageDelay=-0.2 seconds, DataCompRatio=2.70, UncompressedBytes=74781423, CompressionTime=0.354140(secs), NumCompressions=57041, Source=10.10.20.72 | 2023-09-01 10:02:29.146

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=3, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=1271, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.70, UncompressedBytes=75347590, CompressionTime=0.356030(secs), NumCompressions=57247, Source=10.10.20.72 | 2023-09-01 10:02:49.246

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=2, NumberOfOutstandingSendBuffers=1, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=1273, ActualMessageDelay=-0.2 seconds, DataCompRatio=2.70, UncompressedBytes=75925446, CompressionTime=0.357937(secs), NumCompressions=57426, Source=10.10.20.72 | 2023-09-01 10:03:09.122

Denali Data Feed | Heartbeat from server | ServerReceivedClientHeartbeatSecondsAgo=2, NumberOfOutstandingSendBuffers=0, TransmissionDelayInMilliseconds=50, ServerSendBufferSizeInBytes=1054, ActualMessageDelay=-0.3 seconds, DataCompRatio=2.70, UncompressedBytes=76482536, CompressionTime=0.359713(secs), NumCompressions=57592, Source=10.10.20.72 | 2023-09-01 10:03:29.066

And you can see the very obvious pickup in market activity with a 14 K buffer size. Just after 10 AM.

This is tracking September ES futures, with market depth. Full depth, close to 1000 levels.

The number of outstanding buffers being one or less, demonstrates very stable communication in both directions:
NumberOfOutstandingSendBuffers=1
Sierra Chart Support - Engineering Level

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Date Time Of Last Edit: 2023-09-01 17:39:49