LinuxCBT - Red CacheD Edition

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LinuxCBT - RedCacheD Edition

English | Size: 1.28 GB

Category: Tutorial

Intro to Key | Value Caching - RedCacheD

 

Introduction - Redis - Features

Explain key features

Contrast with MemCache

Discuss data limits

Enumerate important Data Types

Install Redis

Explore environment

 

CLI | GETs | SETs| Basics

Query Redis Server non-interactively

Ascertain key server stats

Set string key | values

Confirm existence of Keys

Enumerate Data Type

Determine Key Life

Alter Key TTL and Test

Increment | Decrement Values

Get and Set Values

Delete superfluous Keys

 

Lists

Describe features

Enumerate common list manipulation commands

Build basic list

Prepend list with strings

Append values and evaluate

Discover numerical length of lists

Sort the contents as needed

Return subset of list

Strip list values and evaluate

Reduce list to desired values

 

Sets

Discuss features and applicability

Contrast with lists

Enumerate key commands

Define and extend set

Enumerate members of set

Determine set cardinality

Remove set items

Find set union and intersection

Define sorted set

Contrast with standard set

Return sorted set items

 

Hashes

Discuss features

Contrast with lists and sets

Enumerate key commands

Define hash with common keys

Retrieve all and groups of keys

Increment | Decrement hash values

Remove hash keys

Extend hash with new keys

Confirm the existence of hash keys

 

Simple Authentication

Discuss default behaviour and caveats

Use openssl to generate unique password

Update configuration accordingly

Test client access with | sans password

Confirm functionality

 

Persistence

Discuss supported strategies

Query Redis for current persistence configuration

Increase snapshot frequency

Confirm RDB snapshot changes

Enable Append Only persistence

Confirm persistence strategies

 

Disaster Recovery

Discuss and contrast recovery options

Confirm current persistence configuration

Perform snapshot-based recovery

Confirm restoration

Perform append only recovery

Confirm restoration

 

Replication | Key Migration | Pipelining

Discuss features and caveats

Alter master configuration

Update slave configuration

Ensure AUTH mode enabled

Define interdependent slave configuration

Create new keys and ensure replication

Update slave to permit writes

Create new keys and ensure locality

Discuss Implications

Disable slave config post-replication

Confirm key | values

Migrate key | values to remote servers

Confirm source | destination post-migration

Copy-migrate keys and confirm

Contrast standard processing with pipelining

Compare timed results

 

Transactions

Discuss features and caveats

Enumerate key commands

Start and discard a transaction

Confirm expected results

Start and complete a transaction | confirm

CLI - generate transactions with and sans errors

Confirm expected behaviour

Use 'WATCH' to perform conditional transactions

Confirm results

 

Python Integration

Discuss features

Ensure replication configuration

Install 'redis-py' Python module

Use interactive interface to build connection

Confirm server stats

Set various Python vars to Redis structures

Add | Update | Remove keys

Pipeline requests

Snapshot Redis instance via Python

Connect to remote replicas | confirm

 

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