Large stdout/stderr crashes the acknowledgement manager, results in stuck jobs

```
2021-08-24 13:52:32,217 DEBUG [pulsar.client.amqp_exchange][acknowledgement-manager] UUID b694576c-02bf-11ec-a39e-566f6d94001a has not been acknowledged, republishing original message on queue status_update
2021-08-24 13:52:32,217 DEBUG [pulsar.client.amqp_exchange][acknowledgement-manager] [publish:0e74b094-0504-11ec-9a41-566f6d94001a] Begin publishing to key pulsar_bridges__status_update
2021-08-24 13:52:32,218 DEBUG [pulsar.client.amqp_exchange][acknowledgement-manager] [publish:0e74b094-0504-11ec-9a41-566f6d94001a] Have producer for publishing to key pulsar_bridges__status_update
2021-08-24 13:52:32,300 ERROR [pulsar.client.amqp_exchange][acknowledgement-manager] Problem with acknowledgement manager, leaving ack_manager method in problematic state!
Traceback (most recent call last):
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/pulsar/client/amqp_exchange.py", line 232, in ack_manager
self.publish(resubmit_queue, payload)
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/pulsar/client/amqp_exchange.py", line 205, in publish
producer.publish(
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/kombu/messaging.py", line 175, in publish
return _publish(
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/kombu/connection.py", line 525, in _ensured
return fun(*args, **kwargs)
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/kombu/messaging.py", line 197, in _publish
return channel.basic_publish(
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/channel.py", line 1775, in _basic_publish
self.connection.drain_events(timeout=0)
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/connection.py", line 522, in drain_events
while not self.blocking_read(timeout):
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/connection.py", line 528, in blocking_read
return self.on_inbound_frame(frame)
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/method_framing.py", line 53, in on_frame
callback(channel, method_sig, buf, None)
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/connection.py", line 534, in on_inbound_method
return self.channels[channel_id].dispatch_method(
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/abstract_channel.py", line 143, in dispatch_method
listener(*args)
File "/jet/home/xcgalaxy/main/pulsar/venv/lib/python3.8/site-packages/amqp/channel.py", line 277, in _on_close
raise error_for_code(
amqp.exceptions.PreconditionFailed: Basic.publish: (406) PRECONDITION_FAILED - message size 155238738 is larger than configured max size 134217728
```

Not sure of the best solution here but maybe Pulsar should post the stdio streams back as job files rather than sending them in the MQ?