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Automatic Rebalance of collectors

  • June 4, 2024
  • 4 replies
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There is any plans from SL team to make automatic rebalancing of collector groups in certain interval  like 24 hrs once.? As of now its needs a manual intervention.

Best answer by TonyAndres

Hello Isaac,

This is stored in the meta_stats.dev_stats_rollup_hourly database table on the CDB. The avg_usage_count parameter is the value used during the rebalance.

Antonio Andres

Senior Technical Support Engineer | ScienceLogic

4 replies

  • Community Manager
  • June 4, 2024

Hello Isaac,

While the collector rebalancing does not occur on an interval, there are certain situations outside of a manual run where a rebalance is triggered. This is explained further in the KB article When a Collector Load Balancing is triggered, and what impact can that have? (sciencelogic.com)

From the article, the following can trigger a rebalance:

  1. A new device is created: the balancer assigns the device to a collector in the device's CUG.
  2. A collector fails over and enters the failed over state: the balancer assigns the failed over collector's devices to available collectors (provided the maximum allowed collector outage has not been reached).
  3. A collector fails back from the failed over state: the balancer rebalances the CUG by reassigning all devices to available collectors.
  4. The user adds or removes a collector using the UI's CUG administration page (admin_collector_groups): the balancer rebalances the CUG by reassigning all devices to available collectors (provided the maximum allowed collector outage has not been reached).
  5. The user clicks a CUG's lightning bolt in the UI's CUG administration page: the balancer reassigns all devices to the available collectors in the CUG.
  6. The user enables High Availability for a CUG in the UI's CUG administration page: the balancer reassigns all devices to the available collectors in the CUG.

For now, there are no plans to set the collector rebalancing on an interval.

Antonio Andres

Senior Technical Support Engineer | ScienceLogic


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  • Author
  • Contributor III
  • June 5, 2024

Hi Tony,

 

 Yes , but i need a mechanism say do the rebalance every 24 hrs.


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  • Author
  • Contributor III
  • June 10, 2024

Hi Eric  - During every device onboarding the i don't think the SL checks the collector load and maps into collector accordingly based on load . I always see one are other collectors have higher count always and it required manual reblance.


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  • Author
  • Contributor III
  • June 13, 2024

Hi Andres,

 

Thanks for detailed explanation , By anyway we can see those scores in DB ? Because some time when i manually do a rebalance the devices moves to other collectors.