cent timestamp that we have
observed so far, and for events that do not monotonically increase this
value, only add them to the state and skip the aggregate calculation and
the alert triggering logic.</p>
<h4 id="redundant-re-computations-and-state-size">
  Redundant Re-computations and State Size:
  <a class="anchor" href="#redundant-re-computations-and-state-size">#</a>
</h4>
<p>In our described implementation we keep individual transactions in state
and go over them to calculate the aggregate again and a