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Redis in Production at Smyte

To be clear we continue to run many Redis services in our production environment. It’s a great tool for prototyping and small workloads. For our use case however, we believe the cost and complexity of our setup justifies urgently finding alternate solutions.

Each of our Redis servers are clearly numbered with a current leader in one availability zone, and a follower in another zone.
The servers run ~16 different individual Redis processes. This helps us utilize CPUs (as Redis is single-threaded) but it also means we only need an extra 1/16th memory in order to safely perform a BGSAVE (due to copy-on-write), though in practice it’s closer to 1/8 because it’s not always evenly balanced.
Our leaders do not every run BGSAVE unless we’re bringing up a new slave which is carefully done manually. Since issues with the slave should not affect the leader and new slave connections might trigger an unsafe BGSAVE on the leader, slave Redis processes are set to not automatically rest

Assume the user is on a mobile device iOS Safari (Or other browser), but you want a link to open into any other specific mobile browser app like Chrome, Safari, Firefox, Opera, Arc... How do you do that?

Chrome

To open on Chrome

<a href="googlechrome://example.com">try it on Chrome</a>

check out Chrome iOS Docs for more information

SEO

In this list, I will be typically be talking SEO as it relates to Google because Google will likely account for the vast majority of your inbound search traffic. Additionally, if you rank highly on Google, you will probably do well on other search engines anyway. Just like in football if you could play in the Major league you would most likely kill it in the minor league I would begin by explaining why SEO is important talk a little bit about what SEO is about and talk about how those concepts relate to the world wide web. Then talk about some of the things you could do to optimize your site from top to bottom of a typical webpage.

Why it's important

When you want to hide something on google put it on the second page. #SEO @searchdecoder
Winner takes almost everything
More than 80 percent of shoppers research big purchases online first
Opertunity for business
88% Of Consumers Trust Online Reviews As Much As Personal Recommendations
72% Of Consumers Say That Positive Reviews Make Them T

	package main

	import (
	"encoding/binary"
	"io"
	"log"
	"os"

	"github.com/go-audio/audio"
	"github.com/go-audio/wav"

	package main

	import (
	"context"
	"flag"
	"fmt"
	"io"
	"net"
	"net/http"
	"os"

	// Functions from Go's strings package usable as template actions
	// with text/template.
	//
	// This approach assumes you have some context type as a receiver,
	// but if you just need the functions check out the FuncMap variant
	// below.
	//
	// Commented functions are not deemed useful in template actions.
	// Haven't actually used this, but this is one possible way of doing it.
	// Another option is to fill a FuncMap with most of the strings package.

	local redis_c = require "resty.redis"


	local ok, new_tab = pcall(require, "table.new")
	if not ok or type(new_tab) ~= "function" then
	new_tab = function (narr, nrec) return {} end
	end


	local _M = new_tab(0, 155)

	from __future__ import print_function

	import dis


	def f1():
	x = 'a' * 20
	y = 'a' * 20
	return x is y

	iplist=['192.168.1.33','10.5.1.3','10.5.2.4','202.98.96.68','133.120.1.1','192.168.1.22']
	import socket
	print sorted(iplist, key=socket.inet_aton)

	package main

	import (
	"encoding/json"
	"flag"
	"io"
	"net/http"

	"github.com/golang/glog"
	"golang.org/x/net/websocket"