Re: Speaking of APIs ....

[Bruce Vining <bvining@xxxxxxxxxx>]

It is not related to multi-threaded environments.  Essentially the change 
will be written to auxilliary storage when the pages are used to support 
other paging activity in the storage pool.  You cannot predict with any 
certainty the amount of time, and that's why you have the option to force 
the change if it's really important.

Bruce Vining




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Subject
Speaking of APIs ....






I'm looking at user indices (indexes?).  One of the parameters for 
QUSCRTUI is described by the InfoCentre as follows:

Immediate update
INPUT; CHAR(1) 
Whether the updates to the index are written synchronously to auxiliary 
storage on each update to the index. The valid values are:

0
No immediate update
1
Immediate update

Each update to the index is written to auxiliary storage after every 
insert and remove operation.


I can't seem to find any further details about what this means exactly. Is 

it possible to predict when auxiliary storage will be updated if no 
immediate update is requested?  It seems like this might only apply to 
multithreaded applications, but again, I can't find any details.

Any help is much appreciated,
Adam

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