How to resolve Aerospike error, Operation not allowed at this time?

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Resolved on StackOverflow:

You are most likely exceeding the default limit related to queries. First, see the definition for error code 22:

For scans with server 4.7 or later, no threads available (scan-threads-limit reached).

Based on your other question, you’re doing scans rather than a query with a secondary index. You’ll need to increase that limit, as suggested in the ‘Additional Information’. However, you have a pretty weak system in terms of CPU, so you should adjust that value and benchmark, comparing performance before and after with the same workload. In a real production system you’d have multiple nodes, probably want more than two CPU cores, and similarly tune the scan threads as needed.

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A post was split to a new topic: Resolve AerospikeException: Error 22

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