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POMongoDB crashes on serial update (pymongo)
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  1. POMongoDB crashes on serial update (pymongo)
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    copied!<p>I wrote a simple script to do a collection-wide update on my <code>events</code> collection inside my <code>motivate_testing</code> db. Here's the script:</p> <pre><code>#!/usr/bin/env python from django.db import models from django.conf import settings from pymongo import MongoClient from apps.motiv8 import models # Mongo setup client = MongoClient() db = client[settings.MONGO_DB_NAME] for event in db.events.find(): try: course = models.Course.objects.get(id=event['course_id']) except: continue organization = course.organization db.events.update({"course": event['course_id']}, {"$set": {"organization_id": int(organization.id)} }) </code></pre> <p>Every time I run this, I get this error:</p> <pre><code>Traceback (most recent call last): File "./add_org_to_events_db.py", line 27, in &lt;module&gt; db.events.update({"course": event['course_id']}, {"$set": {"organization_id": int(organization.id)} }) File "/opt/motiv8/lib/python2.6/site-packages/pymongo/collection.py", line 487, in update check_keys, self.__uuid_subtype), safe) File "/opt/motiv8/lib/python2.6/site-packages/pymongo/mongo_client.py", line 956, in _send_message sock_info = self.__socket() File "/opt/motiv8/lib/python2.6/site-packages/pymongo/mongo_client.py", line 773, in __socket "%s %s" % (host_details, str(why))) pymongo.errors.AutoReconnect: could not connect to localhost:27017: [Errno 111] Connection refused </code></pre> <p>Which crashes mongo entirely. I have about 9000 records inside this collection. What am I doing wrong? For a database touted for its "speed" and "concurrency," MongoDB is severely disappointing me. It seems as if I'm running the connection into the ground.</p>
 

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