grained-rescaling-via-rest-api">
  Dynamic Fine-Grained Rescaling via REST API
  <a class="anchor" href="#dynamic-fine-grained-rescaling-via-rest-api">#</a>
</h2>
<p>Despite the underlying capabilities of the Adaptive Scheduler, the ability to change the resource requirements of a
Job during runtime has not yet been exposed to the end user directly. This changes in Flink 1.18. You can now change
the parallelism of any individual task of your job via the Flink Web UI and REST API while the job is running.</p