This statistic shows requests made by NSCD (Name Service Cache Daemon) to back-end sources, such as DNS, NIS, etc.
An understanding of operating system internals may be required to properly interpret this statistic.
It may be useful to check the latency breakdown if long latencies were experienced on the appliance, especially during administrative logins. The breakdowns for the database name and source will show what the latency is for, and which remote server is responsible.
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