Home
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 defragment command: Print defragment partition extentsUse the onstat -g defragment command to display information about the active requests to defragment partition extents.

onstat -g defragment command: Print defragment partition extents

Use the onstat -g defragment command to display information about the active requests to defragment partition extents.

Figure 1: Syntax:

Example output

Figure 2: onstat -g defragment command output

Defrag info
id  table name                     tid  dbsnum  partnum  status                substatus  errnum
15  stores_demo:informix.stdtab2   49   2       2097155  SEARCHING_FOR_EXTENT  0          0

Note: This command displays information about defragment requests that are active. If there are no active defragment requests, only the column headings are returned.

Output description

id

The ID of the defragment request.

table name

The fully-qualified name of the table that is being defragmented.

tid

The thread ID.

dbsnum

The dbspace number that is being defragmented.

partnum

The partition number that is being defragmented.

status

SEARCHING_FOR_EXTENT
MERGING_EXTENTS
DEFRAG_COMPLETED
DEFRAG_FAILED

substatus

The detailed status number, if any.

errnum

The last error number returned from the defragmentation request.

Have feedback?
Google Analytics is used to store comments and ratings. To provide a comment or rating for a topic, click Accept All Cookies or Allow All in Cookie Preferences in the footer of this page.