With Server Statistics, you can obtain a lot of information about performance, workload and capacity of the Cumulus Server. Such information can be useful to track down and identify the source of various performance problems that may occur with a Cumulus Server. If in doubt on how to act on these information, contact Cumulus Professional Service!
To display server statistics, either on the Web Server Console or on the Server Console:
1. When the Activity Monitor pane is displayed, select Actions > Server Satistics from the menu bar, OR rigth-click the Activity Monitor entry in the navigation pane and select Server Satistics, OR click the Server Statistics Button (Server Console only).
The Server Statistics window is displayed.
The Server Statistics window is an information window that provides two tabs, Measured Sizes and Numbers and Time-based Statistics.
• Measured Sizes and Numbers – this tab provides information on memory usage,
required disk space, and some characteristic numbers.
• Virtual Memory Size – amount of memory needed by the Cumulus Server.
• Memory in Use – actual amounts and percentage values of currently used memory, specified by catalogs, connections, temporary cached session data, shared sets, private sets, and cached user data.
• Memory Used by Cumulus Tool Processes – amount of memory used by all currently active Cumulus Tool Processes.
• Sizes on Disk – amount and percentage value of disk size currently used for each catalog, and for Session Data.
• Numbers – of sessions, connected clients, cached users, and Cumulus Tool processes. Also for each catalog the numbers of free, used, and finalized Redo files.
• Time-based Statistics – this tab reveals how often the cache limit has been hit in each of the past 24 hours. If there is a significant number of page limit hits, you may consider to adapt the cache size of the Cumulus Server (via Remote Admin > Settings > Optimization; for details see Optimization (29 - 31).
Saving Server Statistics
The displayed server statistics values can be saved in JSON format, e.g. to communicate them to Cumulus Professional Service.
To save the server statistics values
1. Click Save As.
A file named ServerStatistics.json is saved to your browser’s standard download folder. (Depending on your browser, you may additionally be prompted to decide how to handle the downloaded file.)
