enque/delay_jitter

Parameter

enque/delay_jitter

Short text

Offset for enqueue/wait operations

Parameter Description

If lock operations are repeated, the wait time (by default, 1 second) is reduced or increased by a random offset to avoid deadlocks due to synchronization.

This parameter defines the maximum offset in milliseconds. The wait time between two attempts for the lock operation is then in the period [wait time – offset, wait time + offset]. With the default setting of 400 ms, this is between 0.6 and 1.4 seconds.

Application Area

Enqueue

Parameter Unit

Milliseconds

Default Value

400 ms

Who is permitted to make changes?

Customer

Operating System Restrictions

None

Database System Restrictions

None

Are other parameters affected or dependent?

enque/delay_log_level
enque/delay_log_time
enque/delay_max
enque/delay_max_refine

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