[rules-users] Fusion, Insert Events with timestamp in the past.

[Matteo Mortari]

Concerning point #1, I'm not sure I understand what you mean, I'm sorry,
but might be connected to my last statement about "this approach would
solve for "network delay issue" but will induce another problem (...)"

Because basically with this approach I personally found that also:
a. data is buffered and inserted in chronological order
b. pseudoclock is advanced anyway after a "deathwatch" period, normally to
activate negative patterns as you mention - thus at the same time
discarding data if arriving after the deathwatch already triggered
c. pseudoclock is advanced anyway to trigger timers of rules

This is the part which gets complex and the reason behind I mentioned I do
mostly same as code example linked.

In my use case scenario, implementation of deathwatch + advance of
pseudoclock anyway, do fit the bill; but of course result may vary
depending case by case.


Concerning point #2 in my use case timer of rules do work, even if I use
pseudoclock.  But again, result may differ depending on the rules
specification, I suppose.


Sorry I cannot be of more help, I thought worthy share my experience anyway
because I felt was very similar scenario, and fortunately the system
behaves as expected.

Ciao
MM


On Wed, Jun 4, 2014 at 2:07 PM, SebastianStehle <mail2stehle at gmail.com>
wrote:

> Thanks for your answer.
>
> We already use the pseudo-clock for running unit tests, but there might be
> some other problems:
>
> 1. If you do not move forward step by step you can miss the exact times
> when
> using negative patterns. e.g. in my example you would need to step forward
> with AdvanceTiem with about 100ms or 1sec or so.
>
> 2. We also use timers, this does not work with the pseudo clock as well,
> same problem like above.
>
> In my understand the example should work, if not I dont see what the
> @timestamp config is for.
>
>
>
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