8.10.1 Notes (when changing the OS time)

Read the following notes before changing the time in the server machine's OS:

• Change the time in the server machine's OS only after the HADB server has terminated normally. If you change the time while the HADB server is running, it and any currently running HADB clients might behave in unexpected ways.

• After the time in the server machine's OS is changed, the following times are displayed as the changed OS time, which might affect time-sensitive application programs:

  • Time acquired by an SQL statement

  • Time when a command is executed

  • Time stamp stored in a dictionary table

  • Time stamp stored in a system table

• If you use an NTP program to correct the OS time, select the delay adjustment method (slew method) (avoid a backward change in time or a large time change).

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