Web interface That Allows You to Manage Easily Your Redis Instance

RedisWebManager

Web interface that allows you to manage easily your Redis instance (see keys, memory used, connected client, etc...).

Check your stats

The Dashboard allows you to check the Memory usage, CPU and Redis clients.

RedisWebManager Dashboard

Manage your redis keys

You can easily edit and delete any keys stored in your redis database.

RedisWebManager Keys

Keep an eye on your redis clients

Check how many clients are connected and their infos.

RedisWebManager Clients

Installation

Add this line to your application's Gemfile:

gem 'redis_web_manager'

And then execute:

$ bundle

Or install it yourself as:

$ gem install redis_web_manager

Add the custom route in your routes.rb:

mount RedisWebManager::Engine => '/redis_web_manager'

Access to RedisWebManager at /redis_web_manager

Configuration

You can configure RedisWebManager:

# initializers/redis_web_manager.rb

RedisWebManager.configure do |config|
  config.redises = {
    instance_1: Redis.new(db: 1),
    instance_2: Redis.new(url: 'XXX')
  } # Default { default: Redis.new } (Hash with instance(s) of Redis)
  config.lifespan = 2.days # Default 15.days (Lifespan of each keys for dashboard)
  config.authenticate = proc {
                           authenticate_or_request_with_http_basic do |username, password|
                              username == 'TEST' && password == 'TEST'
                            end
                          } # Default nil (Authenticate method to secure tools)
end

Collect data for dashboard

In order to have data on your dashboard you must collect the data like this:

data = RedisWebManager::Data.new(:instance_1)
data.perform

or

RedisWebManager.redises.keys.each do |instance|
  data = RedisWebManager::Data.new(instance)
  data.perform
end

If you are using a system to run background tasks in your application (like Sidekiq, Sucker Punch or ActiveJob), you can write your own background task to update the dashboard statistics.

Sidekiq exemple:

class DashboardWorker
  include Sidekiq::Worker

  def perform
    data = RedisWebManager::Data.new(:instance_1)
    data.perform
  end
end

or

class DashboardWorker
  include Sidekiq::Worker

  def perform
    RedisWebManager.redises.keys.each do |instance|
      data = RedisWebManager::Data.new(instance)
      data.perform
    end
  end
end

Sucker Punch exemple:

class DashboardJob
  include SuckerPunch::Job

  def perform
    data = RedisWebManager::Data.new(:instance_1)
    data.perform
  end
end

or

class DashboardJob
  include SuckerPunch::Job

  def perform
    RedisWebManager.redises.keys.each do |instance|
      data = RedisWebManager::Data.new(instance)
      data.perform
    end
  end
end

Todo

  •  Add graph for most used commands
  •  Real time chart update
  •  Alert system (ex: triggered when memory is peaking)
  •  Command line interface to manage your redis database
  •  Logs interface

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/OpenGems/redis_web_manager. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


Author: OpenGems
Source code: https://github.com/OpenGems/redis_web_manager
License: MIT license

#ruby #redis 

What is GEEK

Buddha Community

Web interface That Allows You to Manage Easily Your Redis Instance
Loma  Baumbach

Loma Baumbach

1596679140

Redis Transactions & Long-Running Lua Scripts

Redis offers two mechanisms for handling transactions – MULTI/EXEC based transactions and Lua scripts evaluation. Redis Lua scripting is the recommended approach and is fairly popular in usage.

Our Redis™ customers who have Lua scripts deployed often report this error – “BUSY Redis is busy running a script. You can only call SCRIPT KILL or SHUTDOWN NOSAVE”. In this post, we will explain the Redis transactional property of scripts, what this error is about, and why we must be extra careful about it on Sentinel-managed systems that can failover.

Redis Lua Scripts Diagram - ScaleGrid Blog

Transactional Nature of Redis Lua Scripts

Redis “transactions” aren’t really transactions as understood conventionally – in case of errors, there is no rollback of writes made by the script.

Atomicity” of Redis scripts is guaranteed in the following manner:

  • Once a script begins executing, all other commands/scripts are blocked until the script completes. So, other clients either see the changes made by the script or they don’t. This is because they can only execute either before the script or after the script.
  • However, Redis doesn’t do rollbacks, so on an error within a script, any changes already made by the script will be retained and future commands/scripts will see those partial changes.
  • Since all other clients are blocked while the script executes, it is critical that the script is well-behaved and finishes in time.

The ‘lua-time-limit’ Value

It is highly recommended that the script complete within a time limit. Redis enforces this in a weak manner with the ‘lua-time-limit’ value. This is the maximum allowed time (in ms) that the script is allowed to run. The default value is 5 seconds. This is a really long time for CPU-bound activity (scripts have limited access and can’t run commands that access the disk).

However, the script is not killed when it executes beyond this time. Redis starts accepting client commands again, but responds to them with a BUSY error.

If you must kill the script at this point, there are two options available:

  • SCRIPT KILL command can be used to stop a script that hasn’t yet done any writes.
  • If the script has already performed writes to the server and must still be killed, use the SHUTDOWN NOSAVE to shutdown the server completely.

It is usually better to just wait for the script to complete its operation. The complete information on methods to kill the script execution and related behavior are available in the documentation.

#cloud #database #developer #high availability #howto #redis #scalegrid #lua-time-limit #redis diagram #redis master #redis scripts #redis sentinel #redis servers #redis transactions #sentinel-managed #server failures

Evolution in Web Design: A Case Study of 25 Years - Prismetric

The term web design simply encompasses a design process related to the front-end design of website that includes writing mark-up. Creative web design has a considerable impact on your perceived business credibility and quality. It taps onto the broader scopes of web development services.

Web designing is identified as a critical factor for the success of websites and eCommerce. The internet has completely changed the way businesses and brands operate. Web design and web development go hand-in-hand and the need for a professional web design and development company, offering a blend of creative designs and user-centric elements at an affordable rate, is growing at a significant rate.

In this blog, we have focused on the different areas of designing a website that covers all the trends, tools, and techniques coming up with time.

Web design
In 2020 itself, the number of smartphone users across the globe stands at 6.95 billion, with experts suggesting a high rise of 17.75 billion by 2024. On the other hand, the percentage of Gen Z web and internet users worldwide is up to 98%. This is not just a huge market but a ginormous one to boost your business and grow your presence online.

Web Design History
At a huge particle physics laboratory, CERN in Switzerland, the son of computer scientist Barner Lee published the first-ever website on August 6, 1991. He is not only the first web designer but also the creator of HTML (HyperText Markup Language). The worldwide web persisted and after two years, the world’s first search engine was born. This was just the beginning.

Evolution of Web Design over the years
With the release of the Internet web browser and Windows 95 in 1995, most trading companies at that time saw innumerable possibilities of instant worldwide information and public sharing of websites to increase their sales. This led to the prospect of eCommerce and worldwide group communications.

The next few years saw a soaring launch of the now-so-famous websites such as Yahoo, Amazon, eBay, Google, and substantially more. In 2004, by the time Facebook was launched, there were more than 50 million websites online.

Then came the era of Google, the ruler of all search engines introducing us to search engine optimization (SEO) and businesses sought their ways to improve their ranks. The world turned more towards mobile web experiences and responsive mobile-friendly web designs became requisite.

Let’s take a deep look at the evolution of illustrious brands to have a profound understanding of web design.

Here is a retrospection of a few widely acclaimed brands over the years.

Netflix
From a simple idea of renting DVDs online to a multi-billion-dollar business, saying that Netflix has come a long way is an understatement. A company that has sent shockwaves across Hollywood in the form of content delivery. Abundantly, Netflix (NFLX) is responsible for the rise in streaming services across 190 countries and meaningful changes in the entertainment industry.

1997-2000

The idea of Netflix was born when Reed Hastings and Marc Randolph decided to rent DVDs by mail. With 925 titles and a pay-per-rental model, Netflix.com debuts the first DVD rental and sales site with all novel features. It offered unlimited rentals without due dates or monthly rental limitations with a personalized movie recommendation system.

Netflix 1997-2000

2001-2005

Announcing its initial public offering (IPO) under the NASDAQ ticker NFLX, Netflix reached over 1 million subscribers in the United States by introducing a profile feature in their influential website design along with a free trial allowing members to create lists and rate their favorite movies. The user experience was quite engaging with the categorization of content, recommendations based on history, search engine, and a queue of movies to watch.

Netflix 2001-2005 -2003

2006-2010

They then unleashed streaming and partnering with electronic brands such as blu-ray, Xbox, and set-top boxes so that users can watch series and films straight away. Later in 2010, they also launched their sophisticated website on mobile devices with its iconic red and black themed background.

Netflix 2006-2010 -2007

2011-2015

In 2013, an eye-tracking test revealed that the users didn’t focus on the details of the movie or show in the existing interface and were perplexed with the flow of information. Hence, the professional web designers simply shifted the text from the right side to the top of the screen. With Daredevil, an audio description feature was also launched for the visually impaired ones.

Netflix 2011-2015

2016-2020

These years, Netflix came with a plethora of new features for their modern website design such as AutoPay, snippets of trailers, recommendations categorized by genre, percentage based on user experience, upcoming shows, top 10 lists, etc. These web application features yielded better results in visual hierarchy and flow of information across the website.

Netflix 2016-2020

2021

With a sleek logo in their iconic red N, timeless black background with a ‘Watch anywhere, Cancel anytime’ the color, the combination, the statement, and the leading ott platform for top video streaming service Netflix has overgrown into a revolutionary lifestyle of Netflix and Chill.

Netflix 2021

Contunue to read: Evolution in Web Design: A Case Study of 25 Years

#web #web-design #web-design-development #web-design-case-study #web-design-history #web-development

Web interface That Allows You to Manage Easily Your Redis Instance

RedisWebManager

Web interface that allows you to manage easily your Redis instance (see keys, memory used, connected client, etc...).

Check your stats

The Dashboard allows you to check the Memory usage, CPU and Redis clients.

RedisWebManager Dashboard

Manage your redis keys

You can easily edit and delete any keys stored in your redis database.

RedisWebManager Keys

Keep an eye on your redis clients

Check how many clients are connected and their infos.

RedisWebManager Clients

Installation

Add this line to your application's Gemfile:

gem 'redis_web_manager'

And then execute:

$ bundle

Or install it yourself as:

$ gem install redis_web_manager

Add the custom route in your routes.rb:

mount RedisWebManager::Engine => '/redis_web_manager'

Access to RedisWebManager at /redis_web_manager

Configuration

You can configure RedisWebManager:

# initializers/redis_web_manager.rb

RedisWebManager.configure do |config|
  config.redises = {
    instance_1: Redis.new(db: 1),
    instance_2: Redis.new(url: 'XXX')
  } # Default { default: Redis.new } (Hash with instance(s) of Redis)
  config.lifespan = 2.days # Default 15.days (Lifespan of each keys for dashboard)
  config.authenticate = proc {
                           authenticate_or_request_with_http_basic do |username, password|
                              username == 'TEST' && password == 'TEST'
                            end
                          } # Default nil (Authenticate method to secure tools)
end

Collect data for dashboard

In order to have data on your dashboard you must collect the data like this:

data = RedisWebManager::Data.new(:instance_1)
data.perform

or

RedisWebManager.redises.keys.each do |instance|
  data = RedisWebManager::Data.new(instance)
  data.perform
end

If you are using a system to run background tasks in your application (like Sidekiq, Sucker Punch or ActiveJob), you can write your own background task to update the dashboard statistics.

Sidekiq exemple:

class DashboardWorker
  include Sidekiq::Worker

  def perform
    data = RedisWebManager::Data.new(:instance_1)
    data.perform
  end
end

or

class DashboardWorker
  include Sidekiq::Worker

  def perform
    RedisWebManager.redises.keys.each do |instance|
      data = RedisWebManager::Data.new(instance)
      data.perform
    end
  end
end

Sucker Punch exemple:

class DashboardJob
  include SuckerPunch::Job

  def perform
    data = RedisWebManager::Data.new(:instance_1)
    data.perform
  end
end

or

class DashboardJob
  include SuckerPunch::Job

  def perform
    RedisWebManager.redises.keys.each do |instance|
      data = RedisWebManager::Data.new(instance)
      data.perform
    end
  end
end

Todo

  •  Add graph for most used commands
  •  Real time chart update
  •  Alert system (ex: triggered when memory is peaking)
  •  Command line interface to manage your redis database
  •  Logs interface

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/OpenGems/redis_web_manager. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


Author: OpenGems
Source code: https://github.com/OpenGems/redis_web_manager
License: MIT license

#ruby #redis 

prashant patil

1598286700

whatsapp web-w app web-webs whatsapp »

Through whatsapp web you can easily run whatsapp on your android pc on your android mobile. Just like whatsapp mobile is for android device, whatsapp web is for windows device. Whatsapp web is quite popular which has quite cool features.

whatsapp web

how to use whatsapp web desktop
Whatsapp web is very easy to use. Simply you have to search web.whatsapp.com in your google chrome and click on first result which is the official website of whatsapp web.

As soon as you click, an interface will open in front of you, on which you will see a barcode. Follow the steps given below to use whatsapp web on your desktop

web.whatsapp.com

open your whatsapp on your mobile
You will see 3dots on the right side top inside whatsapp, you have to click
The 3rd option is whatsapp web, you have to click it
Now you have to capture the barcode you see on your desktop through your phone.
Now you can use whatsapp of your android mobile in your desktop
webs whatsapp

note: You can see whatsapp of anyone’s mobile by pointing to the barcode of your desktop. You can also call it whatsapp hack.

Remember that after using whatsapp web, logout it from your desktop. To logout follow the steps given below.

w app web

open your whatsapp on your mobile
You will see 3dots on the right side top inside whatsapp, you have to click
The 3rd option is whatsapp web, you have to click it
You will see the symbol for logout, you have to logout by clicking it.

read more

#whatsapp #whatappweb #https://web.whatsapp.com/ #wsp web #web.whatsapp web #web whatsapp

Origin Scale

Origin Scale

1616572311

Originscale Order Management System

Originscale order management software helps to manage all your orders across channels in a single place. Originscale collects orders across multiple channels in real-time - online, offline, D2C, B2B, and more. View all your orders in one single window and process them with a simple click.

#order management system #ordering management system #order management software #free order management software #purchase order management software #best order management software