We use the customer facing term "worker" for each pod in a "stream processing instance". When a worker is out of memory due to the user's query, we currently throw an error message "stream processing instance out of memory". It should instead say "Worker out of memory".

• https://github.com/10gen/mongo/blob/master/src/mongo/db/modules/enterprise/src/streams/exec/memory_usage_monitor.cpp#L34
• https://github.com/10gen/mongo/blob/master/src/mongo/db/modules/enterprise/src/streams/management/tests/stream_manager_test.cpp#L157