Rust Dublin July 2021 - Optimizing Tremor for Production and Usability

Matthias Wahl and friends discuss Tremor, their event processing system that is being used in production for high-volume, high-throughput data at Wayfair. Learn more at https://www.tremor.rs

00:00:00 Start
00:00:29 Intro
00:02:02 Agenda
00:03:25 Tremor project
00:08:27 Configuration
00:09:28 Event Processing DSL
00:11:29 Optimizing for Production
00:15:30 Rust code
00:20:55 Optimizing for Performance
00:28:11 Optimizing for Usability
00:34:40 Tremor in Production
00:42:33 Kubernetes
00:48:42 Q: Tell us more about optimizations.
00:54:13 Q: what are you using for the flamegraphs?
00:55:13 Documentation

#rust #optimizing tremor

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Rust Dublin July 2021 - Optimizing Tremor for Production and Usability

Matthias Wahl and friends discuss Tremor, their event processing system that is being used in production for high-volume, high-throughput data at Wayfair. Learn more at https://www.tremor.rs

00:00:00 Start
00:00:29 Intro
00:02:02 Agenda
00:03:25 Tremor project
00:08:27 Configuration
00:09:28 Event Processing DSL
00:11:29 Optimizing for Production
00:15:30 Rust code
00:20:55 Optimizing for Performance
00:28:11 Optimizing for Usability
00:34:40 Tremor in Production
00:42:33 Kubernetes
00:48:42 Q: Tell us more about optimizations.
00:54:13 Q: what are you using for the flamegraphs?
00:55:13 Documentation

#rust #optimizing tremor

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Serde Rust: Serialization Framework for Rust

Serde

*Serde is a framework for serializing and deserializing Rust data structures efficiently and generically.*

You may be looking for:

• An overview of Serde
• Data formats supported by Serde
• Setting up #[derive(Serialize, Deserialize)]
• Examples
• API documentation
• Release notes

Serde in action

Click to show Cargo.toml. Run this code in the playground.

[dependencies]

# The core APIs, including the Serialize and Deserialize traits. Always
# required when using Serde. The "derive" feature is only required when
# using #[derive(Serialize, Deserialize)] to make Serde work with structs
# and enums defined in your crate.
serde = { version = "1.0", features = ["derive"] }

# Each data format lives in its own crate; the sample code below uses JSON
# but you may be using a different one.
serde_json = "1.0"

 

use serde::{Serialize, Deserialize};

#[derive(Serialize, Deserialize, Debug)]
struct Point {
    x: i32,
    y: i32,
}

fn main() {
    let point = Point { x: 1, y: 2 };

    // Convert the Point to a JSON string.
    let serialized = serde_json::to_string(&point).unwrap();

    // Prints serialized = {"x":1,"y":2}
    println!("serialized = {}", serialized);

    // Convert the JSON string back to a Point.
    let deserialized: Point = serde_json::from_str(&serialized).unwrap();

    // Prints deserialized = Point { x: 1, y: 2 }
    println!("deserialized = {:?}", deserialized);
}

Getting help

Serde is one of the most widely used Rust libraries so any place that Rustaceans congregate will be able to help you out. For chat, consider trying the #rust-questions or #rust-beginners channels of the unofficial community Discord (invite: https://discord.gg/rust-lang-community), the #rust-usage or #beginners channels of the official Rust Project Discord (invite: https://discord.gg/rust-lang), or the #general stream in Zulip. For asynchronous, consider the [rust] tag on StackOverflow, the /r/rust subreddit which has a pinned weekly easy questions post, or the Rust Discourse forum. It's acceptable to file a support issue in this repo but they tend not to get as many eyes as any of the above and may get closed without a response after some time.

Download Details:
Author: serde-rs
Source Code: https://github.com/serde-rs/serde
License: View license

#rust  #rustlang 

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Rust Lang Course For Beginner In 2021: Guessing Game

 What we learn in this chapter:
- Rust number types and their default
- First exposure to #Rust modules and the std::io module to read input from the terminal
- Rust Variable Shadowing
- Rust Loop keyword
- Rust if/else
- First exposure to #Rust match keyword

=== Content:
00:00 - Intro & Setup
02:11 - The Plan
03:04 - Variable Secret
04:03 - Number Types
05:45 - Mutability recap
06:22 - Ask the user
07:45 - First intro to module std::io
08:29 - Rust naming conventions
09:22 - Read user input io:stdin().read_line(&mut guess)
12:46 - Break & Understand
14:20 - Parse string to number
17:10 - Variable Shadowing
18:46 - If / Else - You Win, You Loose
19:28 - Loop
20:38 - Match
23:19 - Random with rand
26:35 - Run it all
27:09 - Conclusion and next episode

#rust