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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 stk command: Print thread stack Use the onstat -g stk tid command to display the stack of the thread specified by thread ID.

onstat -g stk command: Print thread stack

Use the onstat -g stk tid command to display the stack of the thread specified by thread ID.

This option is not supported on all platforms and is not always accurate.

Syntax:

onstat -g stk tid

Example output

Figure 2: onstat -g stk tid command output

Stack for thread: 2 adminthd
 base: 0x000000010aad5028
  len:   33280
   pc: 0x00000001002821e8
  tos: 0x000000010aadc621
state: running
   vp: 2

0x1002821e8 oninit :: yield_processor + 0x260 sp=0x10aadce20(0x10ac834d0, 0x0, 0x1, 
   0x100000000, 0xc8a000, 0x100c8a000)
0x100274e38 oninit :: wake_periodic + 0xdc sp=0x10aadced0 delta_sp=176(0x41b0, 0xc7a024bc, 
   0x0, 0x41c4, 0x10aacf598, 0x90)
0x100274fcc oninit :: admin_thread + 0x108 sp=0x10aadcf80 delta_sp=176(0x0, 0x2328, 
   0xd26c00, 0x5, 0xc8a000, 0x156c)
0x1002484ec oninit :: startup + 0xd8 sp=0x10aadd050 delta_sp=208(0xa, 0x10aad47d0, 
   0x10aad47d0, 0x100db1988, 0xd1dc00, 0x1)

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