Viewing Reports and Logs : Viewing DNS Cache Utilization reports
  
Viewing DNS Cache Utilization reports
The DNS Cache Utilization report displays the size of the DNS cache as entries and bytes for the time period specified.
For details about the report format, see Overview.
The DNS Cache Utilization report contains these statistics that summarize DNS cache activity.
Data series
Description
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.
What this report tells you
The DNS Cache Utilization report answers these questions:
How much cache memory is used?
How many DNS entries are in the cache?
About report graphs
Mouse over a specific data point to see what the y values and exact time stamp were in relation to peaks.
About report data
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.
To view the DNS Cache Utilization report
1. Choose Reports > Branch Services: DNS Cache Utilization to display the DNS Cache Utilization page.
DNS Cache Utilization page
2. Use the controls to customize the report as described in this table.
Control
Description
Time interval
Select 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 the 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.