Tools: Aggregator Failures
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Master Aggregator Fails
If the Master Aggregator node fails and is recoverable, restart the Master Aggregator.
If it is not recoverable, a Child Aggregator must be promoted to the role of Master Aggregator by running either AGGREGATOR SET AS MASTER in SQL or sdb-admin bootstrap-aggregator on the command line.
One Child Aggregator Fails
If a Child Aggregator is recoverable, restart the Child Aggregator.
If it is not recoverable, deploy a new aggregator by creating a new node and adding it to the cluster as a Child Aggregator.
Many Aggregators Fail
If more than one aggregator fails, each aggregator can either be reintroduced or removed, created, and then replaced one by one.
Last modified: June 22, 2022