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Accumulo >> mail # user >> Clarification of 'Scan (Entries/s)' Meaning on Monitor Page


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Re: Clarification of 'Scan (Entries/s)' Meaning on Monitor Page
I believe "Scan" is for number of key-value pairs examined (what you
were asking in your 2nd question), and "Query" is number of key-value
pairs returned by a scan session (iterator stack).

I believe it would be accurate to say that Scan should always be greater
than or equal to Query.

On 5/28/13 12:50 PM, David Medinets wrote:
> Does this metric track entries returned to the client (as the 'Query'
> column on the Master Server page does)? If the scan tracks returned
> entries, is there a metric that tracks entries scanned on the server?