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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL OneDB™ database servers.
Administrator's ReferenceThe HCL OneDB™ Administrator's Reference includes comprehensive descriptions of HCL OneDB™ configuration parameters, the system-monitoring interface (SMI) tables in the sysmaster database, the syntax of database server utilities such as onmode and onstat, logical-log records, disk structures, event alarms, and unnumbered error messages.
Administrative Utilities
The onstat utilityThe onstat utility reads shared-memory structures and provides statistics about the database server at the time that the command runs.
onstat -g monitoring optionsThe options that you can use with onstat -g command are used for support and debugging only. You can include only one of these options in the onstat -g command.
onstat -g stq command: Print queue information Use the onstat -g stq command to display information about the queue.

onstat -g stq command: Print queue information

Use the onstat -g stq command to display information about the queue.

Figure 1: Syntax:

To view queue information for a particular session specify the session option. Omit the session option to view queue information for all sessions.

Example output

Figure 2: onstat -g stq command output


Stream Queue: (session 25 cnt 4)  0:db12400  1:db18400  2:dcf0400  3:dcf6400
 Full Queue:  (cnt 2  waiters 0)  0:0  1:db12400
 Empty Queue: (cnt 0  waiters 0)

Output description

session: Session id
cnt: Number of stream queue buffers
waiters: Number of threads waiting for the stream queue buffer

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