MongoDB async queries

 1. Install Motor

pip install motor

2. create async client

import motor.motor_asyncio

mconn=motor.motor_asyncio.AsyncIOMotorClient(getMongoConnectionString())
db=mconn.db_name
coll= db.coll_name
find query:
mobjs = coll.find(..)
async for obj in mobhs

update call
await coll.update...

wait for long
await asyncio.wait_for(queue.join(), timeout=None)

Managing log files on ubuntu

 1. use /var/log location

2. have logroate.d/ conf file

/var/log/gunicorn/*.log {

  rotate 1

  weekly

  copytruncate

  dateext

  compress

  missingok

  notifempty

}

use copytruncate option