Historian Trends shows Nulls and Historian logger says "buffer overflow."
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Description
Historian Trends shows Nulls and Historian logger says "buffer overflow."
| Author | Mike Viteri |
| Publish Date | 9/9/2014 |
| Applies to Software | Historian |
| Applies to Version | 10.x |
| Applies to System/Module | |
| Article Version | 00.00.01 |
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Detailed Steps
When using Historian Software 10.x or later you will see a message below in the smc log viewer.
Server is too busy.
Buffer overflow.
This error will cause data graps in your trend. The most likely reason you are seeing this issue is that a time sync is running and changing the historian clock time. This is especially true if you are running your Historian on Hyper-V or VMware. The way to fix this error is to not change the Historian time. Have all you clients sync their time to the Historian using net time. The attach technote explains how to setup net time.