dynamodb-recs

    1.0.38 • Public • Published

    AWS Dynamodb/Firehose Based Reccomendation Engine Based on Graphs.

    1. Config Lambda Code

    const {
        App,
        handlers
    } = require('dynamodb-recs');
    
    const app = new App({
        logs: { // optional
            firehose: { // optional
                concurrency: 100,
                stream: 'app-recs-logs'
            },
            process: { // optional
                concurrency: 100,
                offset: 60 * 60 * 1000 // 1 hour
            },
            ttl: 24 * 60 * 60 * 1000 // 1 day optional
        },
        recs: {
            firehose: { // optional
                concurrency: 100,
                stream: 'app-recs'
            },
            jobs: {
                viewView: [{
                    entity: 'view'
                }, {
                    entity: 'view'
                }]
            },
            ttl: 2 * 365 * 24 * 60 * 60 * 1000, // 2 years optional
            ttr: 30 * 60 * 1000 // 30 minutes optional
        },
        tablePrefix: 'prefix' // optional
    });
    
    exports.fetch = handlers.fetch(app);
    exports.logsFirehose = handlers.logsFirehose(app);
    exports.logsHit = handlers.logsHit(app);
    exports.logsProcess = handlers.logsProcess(app);
    exports.recsFirehose = handlers.recsFirehose(app);
    

    2. Config Lambda Handlers

    Name
    app-recs-fetch
    
    Handler
    index.fetch
    
    Size
    3008 MB
    
    -
    
    Name
    app-recs-firehose
    
    Handler
    index.recsFirehose
    
    Size
    512 MB
    
    -
    
    Name
    app-recs-logs-firehose
    
    Handler
    index.logsFirehose
    
    Size
    512 MB
    
    -
    
    Name
    app-recs-logs-hit
    
    Handler
    index.logsHit
    
    Size
    128 MB
    
    -
    
    Name
    app-recs-logs-process
    
    Handler
    index.logsProcess
    
    Size
    512 MB
    

    3. Config Kinesis Firehose

    Name
    app-recs
    
    Lambda Transformer
    app-recs-firehose
    
    S3 Bucket
    app
    
    Prefix
    recs/dt=!{timestamp:yyyy}-!{timestamp:MM}-!{timestamp:dd}/
    
    Error prefix
    recs-error/err=!{firehose:error-output-type}/dt=!{timestamp:yyyy}-!{timestamp:MM}-!{timestamp:dd}/
    
    -
    
    Name
    app-recs-logs
    
    Lambda Transformer
    app-recs-logs-firehose
    
    S3 Bucket
    app
    
    Prefix
    recs-logs/dt=!{timestamp:yyyy}-!{timestamp:MM}-!{timestamp:dd}/
    
    Error prefix
    recs-logs-error/err=!{firehose:error-output-type}/dt=!{timestamp:yyyy}-!{timestamp:MM}-!{timestamp:dd}/
    

    5. Config CloudWatch to Process Logs from Time to Time

    Period
    Each 30 minutes
    
    Lambda
    app-recs-logs-process
    
    Body
    `{}`
    

    Keywords

    none

    Install

    npm i dynamodb-recs

    DownloadsWeekly Downloads

    40

    Version

    1.0.38

    License

    MIT

    Unpacked Size

    89.5 kB

    Total Files

    33

    Last publish

    Collaborators

    • feliperohde