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張 旭

Virtual Private Cloud (VPC)  |  Virtual Private Cloud  |  Google Cloud - 0 views

cloud.google.com/vpc

google gcp cloud system

shared by 張 旭 on 09 Nov 18 - No Cached
  • A single Google Cloud VPC can span multiple regions without communicating across the public Internet.
  • Google Cloud VPCs let you increase the IP space of any subnets without any workload shutdown or downtime.
  • Get private access to Google services, such as storage, big data, analytics, or machine learning, without having to give your service a public IP address.
  • ...3 more annotations...
  • Enable dynamic Border Gateway Protocol (BGP) route updates between your VPC network and your non-Google network with our virtual router.
  • Configure a VPC Network to be shared across several projects in your organization.
  • Hosting globally distributed multi-tier applications, by creating a VPC with subnets.
crazylion lee

Google Cloud is 50% cheaper than AWS - The HFT Guy - 0 views

thehftguy.wordpress.com/...e-cloud-is-50-cheaper-than-aws

google cloud aws ec2

shared by crazylion lee on 20 Nov 16 - No Cached
  • crazylion lee on 20 Nov 16
     
    "Google Cloud is 50% cheaper than AWS"
crazylion lee

nathancahill/Anycomplete: The magic of Google Autocomplete while you're typing. Anywhere. - 0 views

github.com/...Anycomplete

magic google autocomplete

shared by crazylion lee on 03 Dec 16 - No Cached
  • crazylion lee on 03 Dec 16
     
    "The magic of Google Autocomplete while you're typing. Anywhere."
crazylion lee

Skia Graphics Library - 0 views

skia.org

graphics library 2D

shared by crazylion lee on 09 Oct 15 - No Cached
  • crazylion lee on 09 Oct 15
     
    "Skia is an open source 2D graphics library which provides common APIs that work across a variety of hardware and software platforms. It serves as the graphics engine for Google Chrome and Chrome OS, Android, Mozilla Firefox and Firefox OS, and many other products. Skia is sponsored and managed by Google, but is available for use by anyone under the BSD Free Software License. While engineering of the core components is done by the Skia development team, we consider contributions from any source. "
crazylion lee

What Google Learned From Its Quest to Build the Perfect Team - The New York Times - 0 views

www.nytimes.com/...to-build-the-perfect-team.html

manager management

shared by crazylion lee on 12 May 17 - No Cached
  • crazylion lee on 12 May 17
     
    "What Google Learned From Its Quest to Build the Perfect Team"
crazylion lee

GitHub - yeriomin/YalpStore: Download apks from Google Play Store - 0 views

github.com/YalpStore

google play market apk download

shared by crazylion lee on 16 Apr 17 - No Cached
  • crazylion lee on 16 Apr 17
     
    "Download apks from Google Play Store"
張 旭

Best practices for building Kubernetes Operators and stateful apps | Google Cloud Blog - 0 views

cloud.google.com/...es-operators-and-stateful-apps

kubernetes system operator

shared by 張 旭 on 17 May 21 - No Cached
  • use the StatefulSet workload controller to maintain identity for each of the pods, and to use Persistent Volumes to persist data so it can survive a service restart.
  • a way to extend Kubernetes functionality with application specific logic using custom resources and custom controllers.
  • An Operator can automate various features of an application, but it should be specific to a single application
  • ...12 more annotations...
  • Kubebuilder is a comprehensive development kit for building and publishing Kubernetes APIs and Controllers using CRDs
  • Design declarative APIs for operators, not imperative APIs. This aligns well with Kubernetes APIs that are declarative in nature.
  • With declarative APIs, users only need to express their desired cluster state, while letting the operator perform all necessary steps to achieve it.
  • scaling, backup, restore, and monitoring. An operator should be made up of multiple controllers that specifically handle each of the those features.
  • the operator can have a main controller to spawn and manage application instances, a backup controller to handle backup operations, and a restore controller to handle restore operations.
  • each controller should correspond to a specific CRD so that the domain of each controller's responsibility is clear.
  • If you keep a log for every container, you will likely end up with unmanageable amount of logs.
  • integrate application-specific details to the log messages such as adding a prefix for the application name.
  • you may have to use external logging tools such as Google Stackdriver, Elasticsearch, Fluentd, or Kibana to perform the aggregations.
  • adding labels to metrics to facilitate aggregation and analysis by monitoring systems.
  • a more viable option is for application pods to expose a metrics HTTP endpoint for monitoring tools to scrape.
  • A good way to achieve this is to use open-source application-specific exporters for exposing Prometheus-style metrics.
crazylion lee

Google Web Designer - 0 views

www.google.com/webdesigner

html5 google web designer dreamweaver

shared by crazylion lee on 17 Dec 16 - No Cached
  • crazylion lee on 17 Dec 16
     
    "Create engaging, interactive HTML5-based designs and motion graphics that can run on any device. "
crazylion lee

anypixel.js - 0 views

googlecreativelab.github.io/anypixel

javascript hardware framework

shared by crazylion lee on 06 Jun 16 - No Cached
  • What We Made The first display using this platform is in the 8th Avenue lobby at the Google NYC office. To create this installation, we used 5880 off-the-shelf arcade buttons as our pixels.
  • crazylion lee on 06 Jun 16
     
    "The first display using this platform is in the 8th Avenue lobby at the Google NYC office. To create this installation, we used 5880 off-the-shelf arcade buttons as our pixels."
crazylion lee

google/seesaw: Seesaw v2 is a Linux Virtual Server (LVS) based load balancing platform. - 1 views

github.com/seesaw

linux server balancing google

shared by crazylion lee on 24 Mar 16 - No Cached
  • crazylion lee on 24 Mar 16
     
    "Seesaw v2 is a Linux Virtual Server (LVS) based load balancing platform. It is capable of providing basic load balancing for servers that are on the same network, through to advanced load balancing functionality such as anycast, Direct Server Return (DSR), support for multiple VLANs and centralised configuration. Above all, it is designed to be reliable and easy to maintain."
crazylion lee

google/xi-editor: A modern editor with a backend written in Rust. - 0 views

github.com/xi-editor

modern editor rust google

shared by crazylion lee on 27 Apr 16 - No Cached
  • crazylion lee on 27 Apr 16
     
    "A modern editor with a backend written in Rust."
張 旭

Overview of Virtual Private Cloud  |  VPC  |  Google Cloud - 0 views

cloud.google.com/...overview

google gcp cloud system networking

shared by 張 旭 on 09 Nov 18 - No Cached
  • a VPC network the same way you'd think of a physical network, except that it is virtualized within GCP.
  • VPC networks are logically isolated from each other in GCP.
  • The network connects the resources to each other and to the Internet.
  • 張 旭 on 09 Nov 18
     
    "a VPC network the same way you'd think of a physical network, except that it is virtualized within GCP."
張 旭

Scalable architecture without magic (and how to build it if you're not Google) - DEV Co... - 0 views

dev.to/...ld-it-if-youre-not-google-336a

development architecture system google

shared by 張 旭 on 24 Feb 19 - No Cached
  • Don’t mess up write-first and read-first databases.
  • keep them stateless.
  • you should know how to make a scalable setup on bare metal.
  • ...29 more annotations...
  • Different programming languages are for different tasks.
  • Go or C which are compiled to run on bare metal.
  • To run NodeJS on multiple cores, you have to use something like PM2, but since this you have to keep your code stateless.
  • Python have very rich and sugary syntax that’s great for working with data while keeping your code small and expressive.
  • SQL is almost always slower than NoSQL
  • databases are often read-first or write-first
  • write-first, just like Cassandra.
  • store all of your data to your databases and leave nothing at backend
  • Functional code is stateless by default
  • It’s better to go for stateless right from the very beginning.
  • deliver exactly the same responses for same requests.
  • Sessions? Store them at Redis and allow all of your servers to access it.
  • Only the first user will trigger a data query, and all others will be receiving exactly the same data straight from the RAM
  • never, never cache user input
  • Only the server output should be cached
  • Varnish is a great cache option that works with HTTP responses, so it may work with any backend.
  • a rate limiter – if there’s not enough time have passed since last request, the ongoing request will be denied.
  • different requests blasting every 10ms can bring your server down
  • Just set up entry relations and allow your database to calculate external keys for you
  • the query planner will always be faster than your backend.
  • Backend should have different responsibilities: hashing, building web pages from data and templates, managing sessions and so on.
  • For anything related to data management or data models, move it to your database as procedures or queries.
  • a distributed database.
  • your code has to be stateless
  • Move anything related to the data to the database.
  • For load-balancing a database, go for cluster.
  • DB is balancing requests, as well as your backend.
  • Users from different continents are separated with DNS.
  • Keep is scalable, keep is stateless.
  • 張 旭 on 24 Feb 19
     
    "Don't mess up write-first and read-first databases."
crazylion lee

GitHub - google/cloudprober: An active monitoring software to detect failures before yo... - 1 views

github.com/cloudprober

google probe monitor ping

shared by crazylion lee on 16 Apr 18 - No Cached
  • crazylion lee on 16 Apr 18
     
    "An active monitoring software to detect failures before your customers do. https://cloudprober.org"
crazylion lee

Google Open Source Blog: Omnitone: Spatial audio on the web - 0 views

opensource.googleblog.com/...tone-spatial-audio-on-web.html

audio google spatial

shared by crazylion lee on 30 Jan 17 - No Cached
  • crazylion lee on 30 Jan 17
     
    "Omnitone: Spatial audio on the web"
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