rrei

def do_stuff(obj):
    """Performs some simple processing on `obj`."""
    obj.y = obj.related_obj.x ** 2 + 1  # DB query to fetch `.related_obj`
    obj.save()  # DB query to update `obj`


# Obtain a large queryset for this example.
qs = MyFurstModel.objects.all()

# Simply iterate over the queryset and do some processing on each element.

rrei

def do_stuff(obj):
    """Performs some simple processing on `obj`."""
    obj.y = obj.related_obj.x ** 2 + 1  # DB query to fetch `.related_obj`
    obj.save()  # DB query to update `obj`


# Obtain a large queryset for this example.
qs = MyFurstModel.objects.all()

# Attempt no. 1: NO GOOD. This direct/naive approach has the advantage of describing 

rrei

def chunked_queryset(queryset, chunk_size=10000):
    """Slice a queryset into chunks. This is useful to avoid memory issues when
    iterating through large querysets.

    Code adapted from https://djangosnippets.org/snippets/10599/
    """
    if not queryset.exists():
        return
    queryset = queryset.order_by("pk")
    pks = queryset.values_list("pk", flat=True)

rrei

USE_X_FORWARDED_HOST = True
USE_X_FORWARDED_PORT = True
SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")

rrei

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;  # allows django to get the client's IP address (see the ipware module)
proxy_set_header X-Forwarded-Proto $scheme;  # allows django to determine that the request is secure (see SECURE_PROXY_SSL_HEADER and request.is_secure())
proxy_set_header X-Forwarded-Host $host;  # allows django to determine the name/addr of the server that the client originally connected to (see request.get_host())
proxy_set_header X-Forwarded-Port $server_port;  # same idea as above, but for port number (see request.get_port())

rrei

/path/to/logs/*.log {
        # Effective uid/gid used when running this pattern
        # NOTE: this **is not** the same as the owner user and group of the rotated files
        su root root
        # Rotate once every day
        daily
        # Keep a history of 5 rotations
        rotate 5
        # Rotate even if the log file is empty
        ifempty