Working With MongoDB TTL Index
Hassan hassansin
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hassansin
/ async-readable-stream.js
Last active
November 10, 2020 15:26
Node.js Asynchronous Readable Stream
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| /* | |
| Creating Asynchronous Readable Stream in NodeJS | |
| -------------------------------------------------------- | |
| When data is pushed asynchronously to internal buffer, you'll get an asynchronous | |
| behaviour of the stream. | |
| See Synchronous Version: https://gist.github.com/hassansin/7f3250d79a386007ce45 | |
| */ | |
| var Readable = require("stream").Readable; |
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| FORMAT: 1A | |
| HOST: https://api-sandbox.foxycart.com | |
| # FoxyCart | |
| # FoxyCart API Root [/] | |
| ## API starting point [GET] | |
| + Request |
hassansin
/ commands.sh
Last active
May 23, 2018 11:41
Web Server Performance Comparison #sysbench #benchmark
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| # Ref: http://wiki.mikejung.biz/Sysbench | |
| # CPU | |
| sysbench --test=cpu --cpu-max-prime=20000 run | |
| sysbench --test=cpu --cpu-max-prime=20000 run --num-threads=4 | |
| #FILE IO | |
| sysbench --test=fileio --file-total-size=4G prepare | |
| sysbench --test=fileio --file-total-size=4G --file-test-mode=rndrw --max-time=300 --max-requests=0 --file-extra-flags=direct run | |
| sysbench --test=fileio --file-total-size=4G cleanup |
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| license: gpl-3.0 | |
| height: 300 | |
| border: no |
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| db.collection.createIndex( { orderDate: 1, zipcode: -1 }, {background: true} ) | |
| db.events.ensureIndex( { "timestampISO": 1 }, { expireAfterSeconds: 120*24*60*60 } ) // <3.0, TTL index, 120day retention period | |
| db.collection.getIndexes() //get all indexes | |
| db.collection.dropIndex("name"); //drop single index | |
| db.collection.dropIndexes(); //drop all indexes | |
| db.collection.find({ email: '[email protected]' }).explain("executionStats") // <3.0 : https://docs.mongodb.org/manual/reference/method/cursor.explain/#cursor.explain | |
| //https://docs.mongodb.org/manual/tutorial/measure-index-use/ | |
| db.collection.explain("executionStats").find({ email: '[email protected]' }) // 3.0 + | |
| db.events.totalIndexSize() // in bytes, should not exceed RAM |
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| # ~/.bashrc: executed by bash(1) for non-login shells. | |
| # see /usr/share/doc/bash/examples/startup-files (in the package bash-doc) | |
| # for examples | |
| # If not running interactively, don't do anything | |
| case $- in | |
| *i*) ;; | |
| *) return;; | |
| esac |
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| #!/usr/bin/env node | |
| /** | |
| * Send a Joke to your mobile using AWS SNS service | |
| * Usage: | |
| * ./send.js phoneNumber [firstName] [lastName] | |
| * | |
| */ | |
| const http = require('http'); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <script src="https://cdn.jsdelivr.net/lodash/4/lodash.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/2.1.3/benchmark.min.js"></script> | |
| </head> | |
| <body> |