Activity Summary

The Activity Summary window gives a quick access to the activity of a Sybase instance.

Sessions

Active Number of sessions which are currently active.
Idle Number of sessions which are currently inactive.
Blocked Number of sessions blocked by another session
System Number of system sessions.

Cpu (%)

Busy percentage of time that the CPU has spent doing Adaptive Server work
I/O Busy percentage of time that Adaptive Server has spent doing input and output operations
Idle percentage of time that Adaptive Server has been idle

Network (KBytes/sec)

Received Number of KBytes received on the network per second
Sent Number of KBytes sent on the network per second

Cache (MBytes)

Total Total size of the cache in MegaBytes
Data data cache size in MegaBytes
Procedure procedure cache size in MegaBytes
Metadata (database) Metadata cache for database in Megabytes
Metadata (Objects) Metadata cache for objects in Megabytes
Metadata (Indexes) Metadata cache for indexes in Megabytes

I/O /sec

Physical reads Number of buffers read into the cache from disk per second
Physical writes Number of buffers written from the cache to disk per second
Logical reads Number of buffers retrieved from the cache per second
Procedure disk reads Number of stored procedures loaded into cache per second
Procedure disk writes Number of times a procedure was normalized and the tree written back to sysprocedures per second

Hit Ratio (%)

Data cache Percentage of time a required data block is found in the data cache.
Procedure cache The procedure cache hit ratio indicates the percentage of execution plan pages read from the procedure cache vs. disk.

Locks

Used Number of locks in use
Waiting Number of locks waiting for their request to be granted


Waits (%)

Wait distribution for the following wait categories:


See also:





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