In ECC6 can we change the number of dialog workprocesses
without restarting the system and with out using operation
modes?

Answer Posted / naveen

The procedure to make more work processes available is implemented in two stages:

Reserved (restricted) work processes:

In addition to familiar work process types (dialog, background, spool, and so on), there is also the type reserved. The number of initial work processes (as with the other types also) is specified in the profile parameter rdisp/wp_no_restricted. No further reserved WPs can be created while the system is running.
Reserved work processes are always of the dialog type. They are kept free in normal operation and not used until the system identifies a bottleneck and needs additional work processes to remove it.
Work processes started dynamically If the dynamic work processes are active (rdisp/dynamic_wp_check=TRUE), the system can start new work processes up to the limit specified in rdisp/wp_max_no in order to resolve deadlocks. Dynamic work processes can have different types (dialog, batch, update, and so on).

No reserved work processes are configured in the standard setting (rdisp/no_restricted = 0), but up to two work processes can be started dynamically rdisp/max_wp_no=<Sum of all configured WPs + 2>).

The values would be stranded 2 to 600 wp

This can be changed in RZ11
Newly added parameters:

rdisp/wp_no_restricted
rdisp/wp_max_no
rdisp/dynamic_wp_check
rdisp/max_dynamic_wp_alive_time
rdisp/configurable_wp_no

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