KB90675
Published: August 31, 2023
Revision: 3.0

Publishing data to MQTT Server may be very slow or may stop


Applies To:

Firmware for the following groov EPICs:

  • GRV-EPIC-PR1
  • GRV-EPIC-PR2
Firmware for the following groov RIOs:
  • GRV-R7-MM1001-10
  • GRV-R7-MM2001-10
  • GRV-R7-I1VAPM-3

Versions Affected:

For groov EPICs: 3.4.0 to 3.5.0
For groov RIOs: 3.4.0 to 3.4.1

Resolved In Version:

For groov EPICs: 3.5.1
For groov RIOs: 3.5.0


Symptoms:

In the following situations (which cause frequent reconnections), you may observe that data publishing to MQTT server slows down or stops:

  • MQTT Client ID collisions
  • Lossy or faulty networks
  • High-latency networks
  • Unreliable MQTT Server

Resolution:

Opto 22 has resolved this issue.

Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com


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