Slide used for taking group of developers to introduce to basic functionalities of redis.

1. Redis
Workshop
Manoj Kumar (manoj_nits@yahoo.com)

2. Where to get it
http://redis.io/
http://redis.io/download
http://redis.io/clients
http://redis.io/commands
AWS - ElasticCache

3. Memcached Vs Redis
Memcached is fast and awesome
Redis is not faster than Memcached
Memcached is all KV
Redis is KV,List,Sets, HashSets…
Redis has Lua
Memcached needs user to be aware of data size

4. redis-cli
Start with: http://try.redis.io/
Connecting to Server:./redis-cli -h host.ip.add.redis -p 6379
Some common commands:
info -> connected_clients:1,# Memory,#Stats expired_keys,evicted_keys,keyspace_hits
keyspace_misses, # CPU,# Keyspace,db0:keys,expires,avg_ttl
FLUSH_ALL,
Keys *

5. Data Types
Strings, Hashes, Lists, Sets,Sorted sets, Bitmaps,Hyperloglogs
K,V
K,V of
K,V
K,V of
V=List
K,V of
V=Set
K,V of
V=Set with
Rank
K,V of
V=0101
K,V of
V=Set cardinality

6. Simple Application
1. Analyze data and requirement.
2. Push the data to redis in batch of 10,
3. Check netstat,
4. Check “info”,
5. Get list of buses originating from Bangalore,
6. Buses with amenity 4 or 8,
7. Buses that have MTicket , Sleeper and
Partial Cancellation enabled.

7. Next : Cohort analysis
Buses that have Ticket , Sleeper and Partial
Cancellation enabled -> Try it using BitMaps.

8. Next :Lua
Offloading logic,computing and memory.

9. Next : Pub/Sub
For notification and alerts

10. Thanks