MongoDB Users Group Delhi 3rd Meetup of 2017 meetup.com/mongo-dilli/

1. {
"_id" : "MUG_DEL_2017_3",
"talks" : [
{
"speaker" : "Ankit Kakkar",
"topic" : "MongoDB Stitch (Backend as a Service)"
},
{
"speaker" : "Ankur Raina",
"topic" : "PyMongo, the MongoDB Python driver"
}
],
"place" : {
"name" : "Regus Spaces",
"where" : "Level 16, Building 9A, DLF Cyber City",
"city" : "Gurugram/Gurgaon",
"state" : "Haryana",
"pincode" : "122002",
"map" : {
"google" : "https://tinyurl.com/lrbgye5",
"coordinates" : [
28.4963418,
77.0925861
]
}
},
"datetime" : ISODate("2017-07-20T17:30:00Z"),
"meetup_link" : "https://www.meetup.com/mongo-
dilli/events/241717402/",
"event_sponsor" : "Regus Spaces"

2. What is MongoDB?
- an open-source document database that
- provides high performance
- high availability
- and automatic scaling.

3. BSON
• binary-encoded serialization of JSON
• http://bsonspec.org/

4. PyMongo Driver
- MongoDB Python Driver
- Open-Source
- Python distribution containing tools for
working with MongoDB
- https://api.mongodb.com/python/
- pip install pymongo

5. MongoClient
class pymongo.mongo_client.MongoClient(host='localhost',
port=27017, document_class=dict, tz_aware=False,
connect=True, **kwargs)
- Client for a MongoDB instance, a replica set, or a set of mongos processes.

6. Queries & Aggregation
• Demo through Jupyter

7. REPLICASET
MEMBER
REPLICASET
MEMBER
REPLICASET
MEMBER
MongoClient()
Monitor: isMaster
Monitor
Monitor

8. REPLICASET
MEMBER
REPLICASET
MEMBER
REPLICASET
MEMBER
MongoClient()
heartbeatFrequencyMS

9. REPLICASET
MEMBER
REPLICASET
MEMBER
REPLICASET
MEMBER
MongoClient()
heartbeatFrequencyMS
Server Description / Topology Description

10. REPLICASET
MEMBER
REPLICASET
MEMBER
REPLICASET
MEMBER
MongoClient()
Fast Heartbeats

11. REPLICASET
MEMBER
REPLICASET
MEMBER
REPLICASET
MEMBERMongoClient(SEED1,
SEED2)
TOPOLOGY TYPE: UNKNOWN
SEED1
DISCOVERS SECONDARY
isMaster – with address of Primary
SERVER DESCRIPTION – POSSIBLE PRIMARY
LAST UPDATE – INFINITY AGO
POSSIBLE PRIMARY
AND THE LIFE GOES
ON…
RTT is also recorded
TOPOLOGY/SERVER
DESCRIPTION

12. More to come in next MUG
I hope you enjoyed this session.
Snack & Social