f space in heap memory and become a heavy burden for the garbage collector to deal with. There will be more long-term garbage collections that stop the world and slow down the task deployment.</p>
<p>To solve this problem, the blob server can be used to distribute large ShuffleDescriptors. The JobManager first sends ShuffleDescriptors to the blob server, which stores ShuffleDescriptors in the DFS. TaskManagers request ShuffleDescriptors from the DFS once they begin to process TaskDeploymentDescriptors. With