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Free Memory

The amount of physical memory available to the operating system, system library files, and applications.

Cache Hit Rate

How often the system accesses the CPU cache.

Page-outs/s

The rate at which pages were written to disk.

Page-ins/s

The rate at which pages were read from or written to the disk.

Page Frees/s

The number of pages that are freed from memory each second.

Attaches/s

The number of pages that get attached to memory each second.

Page-out Reqests/s

The number of requests to perform a write operation that occur each second.

Page-in reqs/s

The number of requests to perform a read operation that occur each second.

PageScans/s

The number of pages that are scanned each second.

PageFaults/s

The number of page faults that occur each second.

Software Locks/s

The number of software locks that are issued each second.

Disk (Spindle) Name

The names of each disk on the system.

Usage (% Busy)

The percentage of time during which the disk drive is handling read or write requests.

Blocks per second

The number of read and write operations on the disk that occur each second.

Transfers/s

The average number of bytes that have been transferred to or from the disk during write or read operations.

Average Queued Requests

The number of threads that are waiting for processor time.

Average Service Time

The average amount of time, in milliseconds, that is required for a request to be carried out.

Average Wait Time

The average time, in milliseconds, that a transaction is waiting in a queue. The wait time is directly proportional to the length of the queue.

Receive Rate

The rate, in kilobytes per seconds, at which data is received over a specific network adapter.

Send Rate

The rate, in kilobytes per seconds, at which data is sent over a specific network adapter.

Packets Inbound Errors

The number of inbound packets that contained errors, which preventing those packets from being delivered to a higher-layer protocol.

Packets Outbound Errors

The number of outbound packets that could not be transmitted because of errors.

Collisions

The number of signals from two separate nodes on the network that have collided.

TCP Retransmits

The number of packets that have been re-sent over a network interface.

Number of Processes

The number of processes that are currently running on a system.

Process Creation Rate

This metric determines whether or not there are runaway processes on a system or if a forking-based process (like a Web server) is spawning too many processes over a specified period of time.

Processes Running

The number of processes that are currently running.

Processes Blocked

The number of processes that are currently being blocked from running.

Processes Waiting

The number of processes that are currently waiting to run.

Workload - User

The demand that network and local services are putting on the system, based on the IDs of the users who are logged into a system.

Workload - Group

The demand that network and local services are putting on the system, based on the IDs of the user groups that are logged into a system.

Workload - Process Name

The demand that network and local services are putting on a system, based on the processes that are running.

Workload Top 10 - User

The 10 network and local services that are are putting the most load on the system, based on the IDs of the users who are logged into a system.

Workload Top 10 - Group

The 10 network and local services that are are putting the most load on the system, based on the IDs of the user groups who are logged into a system.

Workload Top 10 - Process Name

The 10 network and local services that are are putting the most load on the system, based on the processes that are running.

Login History

The number of times or frequency at which a user has logged into a system during any 30 minute time interval.

Sessions

The number of sessions or number of distinct users who are logged into a system during any 30 minute time interval.