Resend. Hopefully Siddhi team can take care of this question.
Thanks Edward Zhang On Wed, Nov 18, 2015 at 4:07 PM, Edward Zhang <[email protected]> wrote: > Hi Siddhi team, > > Do we have anyway of tracking what events are removed from any type of > windows, length(batch), or time(batch)? I investigated that removeEvents > may not be the right solution. > > We have one requirement of migrating policy from one machine to another > machine but keeping internal state there. > > Eagle uses policy in storm infrastructure, but one machine which holds the > policy fails, then already-populated events in the window also are gone. > Sometimes it is bad especially when we have built up a long window like > monthly data. > > One possible way is to keep all events in the siddhi window to be > snapshotted into application domain. Another way is to keep tracking what > events are coming in and out, so application can track what are left in > siddhi window. > > Here is the ticket for Eagle > https://issues.apache.org/jira/browse/EAGLE-39 > > Do you have similar request before? Or what do you suggest? > > Thanks > Edward Zhang >
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