redis basics

redis basics

• 1.
  Redis Workshop Manoj Kumar (manoj_nits@yahoo.com)
• 2.
  Where to getit http://redis.io/ http://redis.io/download http://redis.io/clients http://redis.io/commands AWS - ElasticCache
• 3.
  Memcached Vs Redis Memcachedis 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/ Connectingto 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. Analyzedata 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 : Cohortanalysis Buses that have Ticket , Sleeper and Partial Cancellation enabled -> Try it using BitMaps.
• 8.
  Next :Lua Offloading logic,computingand memory.
• 9.
  Next : Pub/Sub Fornotification and alerts
• 10.
  Thanks