You can use kvstore Rest API to get count of existing records and restrict data insertion if existing count is = 50000.
https://localhost:8089/servicesNS/nobody/<app>/storage/collections/data/<collection_name>?fields=_key
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All my summaries are running and completed successfully. But I can see "INFO - Process delayed by 1524.266 seconds, perhaps system was suspended?" massage. Is there any issue with the summary execution or it's just a warning message?
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Have a look at this, might be useful to you:
https://answers.splunk.com/answers/10582/permissions-on-indexes-and-sourcetypes.html
let me know if this helps!
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