[uwsgi]
http=0.0.0.0:8000
module=laalaa.wsgi:application
master=True
pidfile=/tmp/master.pid
vacuum=True
max-requests=5000
env=DJANGO_SETTINGS_MODULE=laalaa.settings
enable-threads=True
processes=2
harakiri=30
post-buffering=1
smart-attach-daemon=/tmp/celery.pid /usr/local/bin/python /home/app/manage.py celery worker -A laalaa --concurrency=2 --loglevel=INFO --pidfile=/tmp/celery.pid

[uwsgi]
http=0.0.0.0:8000
module=laalaa.wsgi:application
master=True
pidfile=/tmp/master.pid
vacuum=True
max-requests=5000
env=DJANGO_SETTINGS_MODULE=laalaa.settings
enable-threads=True
processes=2
harakiri=30
post-buffering=1
smart-attach-daemon=/tmp/celery.pid /usr/local/bin/python /home/app/manage.py celery worker -A laalaa --concurrency=8 --loglevel=INFO --pidfile=/tmp/celery.pid

Increase bulk upload worker count to 8
Increase bulk upload worker count to 8

During testing we found that 2 workers make the import process unstable
and liable to stalling.
