The DNS Cache Utilization report displays the size of the DNS cache as entries and bytes for the time period specified. The DNS Cache Utilization report contains these statistics that summarize DNS cache activity:

Cache Entries displays the number of DNS entries in the cache.

Memory Use displays the cache memory used, in bytes.

The navigator shadows the cache entries series.

The DNS Cache Utilization report answers these questions:

Mouse over a specific data point to see what the y values and exact time stamp were in relation to peaks.

The Riverbed system reports on performance for periods up to one month. Due to performance and disk space considerations, the display granularity decreases with time passed since the data was sampled. The data is collected at a 5-minute granularity for the entire month.

You can view the DNS Cache Utilization report under Reports > Branch Services: DNS Cache Utilization.

This option is available to customize the report:

Time Interval specifies a report time interval of 5 minutes (5m), 1 hour (1h), 1 day (1d), 1 week (1w), All, or type a custom date. All includes statistics for the last 30 days. Time intervals that don’t apply to a particular report are dimmed. For a custom time interval, enter the start time and end time using this format: YYYY/MM/DD HH:MM:SS

You can quickly see the newest data and see data points as they’re added to the chart dynamically. To display the newest data, click Show newest data.