ject">blob</a> (binary large objects) is a collection of binary data used to store large files. Flink hosts a blob server to transport large-sized data between the JobManager and TaskManagers. When a JobManager decides to transmit a large file to TaskManagers, it would first store the file in the blob server (will also upload files to the distributed file system) and get a token representing the blob, called the blob key. It would then transmit the blob key instead of the blob file to TaskManagers. When Tas