v1-1	v1-2	v1-4	v1-5	v1-6	v1-7	v1-8	v1-9	v1-10	v1-11	v1-12	v1-13	v1-14	v1-15	v1-real-world-systems	v1-company-engineering-blogs	v2-1	v2-2	v2-3	v2-4	v2-5	v2-6	v2-7	v2-8	v2-9	v2-10	v2-11	v2-12	v2-13
Chapter 1	Chapter 2	Chapter 4	Chapter 5	Chapter 6	Chapter 7	Chapter 8	Chapter 9	Chapter 10	Chapter 11	Chapter 12	Chapter 13	Chapter 14	Chapter 15	Real-world systems	Company engineering blogs	Chapter 1	Chapter 2	Chapter 3	Chapter 4	Chapter 5	Chapter 6	Chapter 7	Chapter 8	Chapter 9	Chapter 10	Chapter 11	Chapter 12	Chapter 13

v1-1-1	Hypertext Transfer Protocol				en.wikipedia.org	1	0	1
v1-1-2	Should you go Beyond Relational Databases?				blog.teamtreehouse.com	1	0	2
v1-1-3	Replication				en.wikipedia.org	1	0	3
v1-1-4	Multi-master replication				en.wikipedia.org	1	0	4
v1-1-5	NDB Cluster Replication - Multi-Master and Circular Replication				dev.mysql.com	1	0	5
v1-1-6	Caching Strategies and How to Choose the Right One				codeahoy.com	1	0	6
v1-1-7	Scaling Memcache at Facebook				usenix.org	0	0	7
v1-1-8	Single point of failure				en.wikipedia.org	1	0	8
v1-1-9	Amazon CloudFront Dynamic Content Delivery				aws.amazon.com	1	0	9
v1-1-10	Configure Sticky Sessions for Your Classic Load Balancer				docs.aws.amazon.com	5	0	10
v1-1-11	Active-Active for Multi-Regional Resiliency				netflixtechblog.com	1	0	11
v1-1-12	Amazon EC2 High Memory Instances				aws.amazon.com	1	0	12
v1-1-13	What it takes to run Stack Overflow				nickcraver.com	1	0	13
v1-1-14	What The Heck Are You Actually Using NoSQL For				highscalability.com	1	0	14
v1-2-1	J. Dean.Google Pro Tip - Use Back-Of-The-Envelope-Calculations To Choose The Best Design				highscalability.com	1	1	1
v1-2-2	System design primer				github.com	6	1	2
v1-2-3	Latency Numbers Every Programmer Should Know				colin-scott.github.io	1	1	3
v1-2-4	Amazon Compute Service Level Agreement				aws.amazon.com	1	1	4
v1-2-5	Compute Engine Service Level Agreement (SLA)				cloud.google.com	1	1	5
v1-2-6	SLA summary for Azure services				azure.microsoft.com	1	1	6
v1-4-1	Rate-limiting strategies and techniques				cloud.google.com	1	2	1
v1-4-2	Twitter rate limits				developer.twitter.com	5	2	2
v1-4-3	Google docs usage limits				developers.google.com	5	2	3
v1-4-4	IBM microservices				ibm.com	1	2	4
v1-4-5	Throttle API requests for better throughput				docs.aws.amazon.com	5	2	5
v1-4-6	Stripe rate limiters				stripe.com	1	2	6
v1-4-7	Shopify REST Admin API rate limits				help.shopify.com	1	2	7
v1-4-8	Better Rate Limiting With Redis Sorted Sets				engineering.classdojo.com	1	2	8
v1-4-9	System Design - Rate limiter and Data modelling				medium.com	1	2	9
v1-4-10	How we built rate limiting capable of scaling to millions of domains				blog.cloudflare.com	1	2	10
v1-4-11	Redis website				redis.io	1	2	11
v1-4-12	Lyft rate limiting				github.com	6	2	12
v1-4-13	Scaling your API with rate limiters				gist.github.com	1	2	13
v1-4-14	What is edge computing				cloudflare.com	1	2	14
v1-4-15	Rate Limit Requests with Iptables				blog.programster.org	1	2	15
v1-4-16	OSI model				en.wikipedia.org	1	2	16
v1-5-1	Consistent hashing wiki				en.wikipedia.org	1	3	1
v1-5-2	Consistent Hashing				tom-e-white.com	1	3	2
v1-5-3	Dynamo - Amazon's Highly Available Key-value Store				allthingsdistributed.com	1	3	3
v1-5-4	Cassandra - A Decentralized Structured Storage System				cs.cornell.edu	1	3	4
v1-5-5	How Discord Scaled Elixir to 5,000,000 Concurrent Users				blog.discord.com	1	3	5
v1-5-6	CS168 - The Modern Algorithmic Toolbox Lecture #1: Introduction and Consistent Hashing				theory.stanford.edu	1	3	6
v1-5-7	Maglev - A Fast and Reliable Software Network Load Balancer				static.googleusercontent.com	1	3	7
v1-6-1	Amazon DynamoDB				aws.amazon.com	1	4	1
v1-6-2	memcached				memcached.org	1	4	2
v1-6-3	Redis				redis.io	1	4	3
v1-6-4	Dynamo: Amazon's Highly Available Key-value Store				allthingsdistributed.com	1	4	4
v1-6-5	Cassandra				cassandra.apache.org	1	4	5
v1-6-6	Bigtable: A Distributed Storage System for Structured Data				static.googleusercontent.com	1	4	6
v1-6-7	Merkle tree				en.wikipedia.org	1	4	7
v1-6-8	Cassandra architecture				cassandra.apache.org	1	4	8
v1-6-9	SStable				igvita.com	1	4	9
v1-6-10	Bloom filter				en.wikipedia.org	1	4	10
v1-7-1	Universally unique identifier				en.wikipedia.org	1	5	1
v1-7-2	Ticket Servers - Distributed Unique Primary Keys on the Cheap				code.flickr.net	1	5	2
v1-7-3	Announcing Snowflake				blog.twitter.com	1	5	3
v1-7-4	Network time protocol				en.wikipedia.org	1	5	4
v1-8-1	A RESTful Tutorial				restapitutorial.com	1	6	1
v1-8-2	Bloom filter				en.wikipedia.org	1	6	2
v1-9-1	US Library of Congress				loc.gov	1	7	1
v1-9-2	EU Web Archive				data.europa.eu	1	7	2
v1-9-3	Digimarc				digimarc.com	1	7	3
v1-9-4	Mercator: A scalable, extensible web crawler				courses.cs.washington.edu	1	7	4
v1-9-5	Web Crawling				infolab.stanford.edu	1	7	5
v1-9-6	29% Of Sites Face Duplicate Content Issues				tinyurl.com	1	7	6
v1-9-7	Fingerprinting by Random Polynomials			1981		1	7	7
v1-9-8	Space/Time Trade-offs in Hash Coding with Allowable Errors			1970		1	7	8
v1-9-9	Donald J. Patterson, Web Crawling				ics.uci.edu	1	7	9
v1-9-10	The PageRank Citation Ranking: Bringing Order to the Web			1998		4	7	10
v1-9-11	Space/Time Trade-offs in Hash Coding with Allowable Errors			1970		1	7	11
v1-9-12	Google Dynamic Rendering				developers.google.com	5	7	12
v1-9-13	Tracking Web Spam with Hidden Style Similarity			2006		0	7	13
v1-9-14	IRLbot: Scaling to 6 billion pages and beyond				irl.cs.tamu.edu	1	7	14
v1-10-1	Twilio SMS				twilio.com	1	8	1
v1-10-2	Nexmo SMS				nexmo.com	1	8	2
v1-10-3	Sendgrid				sendgrid.com	1	8	3
v1-10-4	Mailchimp				mailchimp.com	1	8	4
v1-10-5	You Cannot Have Exactly-Once Delivery				bravenewgeek.com	1	8	5
v1-10-6	App Keys & Secrets: Security				bit.ly	1	8	6
v1-10-7	RadditMQ				bit.ly	1	8	7
v1-11-1	How News Feed Works				facebook.com	1	9	1
v1-11-2	Friend of Friend recommendations Neo4j and SQL Sever				bit.ly	1	9	2
v1-12-1	Erlang at Facebook				erlang-factory.com	1	10	1
v1-12-2	Messenger and WhatsApp process 60 billion messages a day				theverge.com	1	10	2
v1-12-3	Long tail				en.wikipedia.org	1	10	3
v1-12-4	The Underlying Technology of Messages				facebook.com	1	10	4
v1-12-5	How Discord Stores Billions of Messages				blog.discordapp.com	1	10	5
v1-12-6	Announcing Snowflake				blog.twitter.com	1	10	6
v1-12-7	Apache ZooKeeper				zookeeper.apache.org	1	10	7
v1-12-8	From nothing: the evolution of WeChat background system (Article in Chinese)				infoq.cn	1	10	8
v1-12-9	End-to-end encryption				faq.whatsapp.com	1	10	9
v1-12-10	Flannel: An Application-Level Edge Cache to Make Slack Scale				slack.engineering	1	10	10
v1-13-1	The Life of a Typeahead Query				facebook.com	1	11	1
v1-13-2	How We Built Prefixy: A Scalable Prefix Search Service for Powering Autocomplete				medium.com	1	11	2
v1-13-3	Prefix Hash Tree An Indexing Data Structure over Distributed Hash Tables				people.eecs.berkeley.edu	1	11	3
v1-13-4	MongoDB wikipedia				en.wikipedia.org	1	11	4
v1-13-5	Unicode frequently asked questions				unicode.org	1	11	5
v1-13-6	Apache hadoop				hadoop.apache.org	1	11	6
v1-13-7	Spark streaming				spark.apache.org	1	11	7
v1-13-8	Apache storm				storm.apache.org	1	11	8
v1-13-9	Apache kafka				kafka.apache.org	5	11	9
v1-14-1	YouTube by the numbers				omnicoreagency.com	1	12	1
v1-14-2	2019 YouTube Demographics			2019	blog.hubspot.com	1	12	2
v1-14-3	Cloudfront Pricing				aws.amazon.com	1	12	3
v1-14-4	Netflix on AWS				aws.amazon.com	1	12	4
v1-14-5	Akamai homepage				akamai.com	1	12	5
v1-14-6	Binary large object				en.wikipedia.org	1	12	6
v1-14-7	Here's What You Need to Know About Streaming Protocols				dacast.com	1	12	7
v1-14-8	SVE: Distributed Video Processing at Facebook Scale				cs.princeton.edu	1	12	8
v1-14-9	Weibo video processing architecture (in Chinese)				upyun.com	1	12	9
v1-14-10	Delegate access with a shared access signature				docs.microsoft.com	5	12	10
v1-14-11	YouTube scalability talk by early YouTube employee				youtube.com	3	12	11
v1-14-12	Understanding the characteristics of internet short video sharing: A youtube-based measurement study				arxiv.org	0	12	12
v1-14-13	Content Popularity for Open Connect				netflixtechblog.com	1	12	13
v1-15-1	Google Drive				google.com	1	13	1
v1-15-2	Upload file data				developers.google.com	1	13	2
v1-15-3	Amazon S3				aws.amazon.com	1	13	3
v1-15-4	Differential Synchronization				neil.fraser.name	1	13	4
v1-15-5	Differential Synchronization youtube talk				youtube.com	3	13	5
v1-15-6	How We've Scaled Dropbox				youtu.be	3	13	6
v1-15-7	The rsync algorithm				andrew.cmu.edu	1	13	7
v1-15-8	Librsync. (n.d.). Retrieved April 18, 2015, from			2015	github.com	6	13	8
v1-15-9	ACID				en.wikipedia.org	1	13	9
v1-15-10	Dropbox security white paper				dropbox.com	4	13	10
v1-15-11	Amazon S3 Glacier				aws.amazon.com	1	13	11
v1-real-world-systems-1	Facebook Timeline: Brought To You By The Power Of Denormalization				goo.gl	1	14	1
v1-real-world-systems-2	Scale at Facebook				infoq.com	3	14	2
v1-real-world-systems-3	Building Timeline: Scaling up to hold your life story				goo.gl	1	14	3
v1-real-world-systems-4	Erlang at Facebook (Facebook chat)				goo.gl	1	14	4
v1-real-world-systems-5	Finding a needle in Haystack: Facebook's photo storage				goo.gl	1	14	5
v1-real-world-systems-6	Serving Facebook Multifeed: Efficiency, performance gains through redesign				goo.gl	1	14	6
v1-real-world-systems-7	Scaling Memcache at Facebook				goo.gl	1	14	7
v1-real-world-systems-8	TAO: Facebook's Distributed Data Store for the Social Graph				goo.gl	1	14	8
v1-real-world-systems-9	Amazon Architecture				goo.gl	1	14	9
v1-real-world-systems-10	Dynamo: Amazon's Highly Available Key-value Store				goo.gl	1	14	10
v1-real-world-systems-11	A 360 Degree View Of The Entire Netflix Stack				goo.gl	1	14	11
v1-real-world-systems-12	It's All A/Bout Testing: The Netflix Experimentation Platform				goo.gl	1	14	12
v1-real-world-systems-13	Netflix Recommendations: Beyond the 5 stars (Part 1)				goo.gl	1	14	13
v1-real-world-systems-14	Netflix Recommendations: Beyond the 5 stars (Part 2)				goo.gl	1	14	14
v1-real-world-systems-15	Google Architecture				goo.gl	1	14	15
v1-real-world-systems-16	The Google File System (Google Docs)				goo.gl	1	14	16
v1-real-world-systems-17	Differential Synchronization (Google Docs)				goo.gl	1	14	17
v1-real-world-systems-18	YouTube Architecture				goo.gl	1	14	18
v1-real-world-systems-19	Seattle Conference on Scalability: YouTube Scalability				goo.gl	0	14	19
v1-real-world-systems-20	Bigtable: A Distributed Storage System for Structured Data				goo.gl	1	14	20
v1-real-world-systems-21	Instagram Architecture: 14 Million Users, Terabytes Of Photos, 100s Of Instances, Dozens Of Technologies				goo.gl	1	14	21
v1-real-world-systems-22	The Architecture Twitter Uses To Deal With 150M Active Users				goo.gl	1	14	22
v1-real-world-systems-23	Scaling Twitter: Making Twitter 10000 Percent Faster				goo.gl	1	14	23
v1-real-world-systems-24	Announcing Snowflake (Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees)				goo.gl	1	14	24
v1-real-world-systems-25	Timelines at Scale				goo.gl	1	14	25
v1-real-world-systems-26	How Uber Scales Their Real-Time Market Platform				goo.gl	1	14	26
v1-real-world-systems-27	Scaling Pinterest				goo.gl	1	14	27
v1-real-world-systems-28	Pinterest Architecture Update				goo.gl	1	14	28
v1-real-world-systems-29	A Brief History of Scaling LinkedIn				goo.gl	1	14	29
v1-real-world-systems-30	Flickr Architecture				goo.gl	1	14	30
v1-real-world-systems-31	How We've Scaled Dropbox				goo.gl	1	14	31
v1-real-world-systems-32	The WhatsApp Architecture Facebook Bought For $19 Billion				bit.ly	1	14	32
v1-company-engineering-blogs-1	Airbnb				medium.com	1	15	1
v1-company-engineering-blogs-2	Amazon				developer.amazon.com	1	15	2
v1-company-engineering-blogs-3	Asana				blog.asana.com	1	15	3
v1-company-engineering-blogs-4	Atlassian				developer.atlassian.com	1	15	4
v1-company-engineering-blogs-5	Bittorrent				engineering.bittorrent.com	1	15	5
v1-company-engineering-blogs-6	Cloudera				blog.cloudera.com	1	15	6
v1-company-engineering-blogs-7	Docker				blog.docker.com	1	15	7
v1-company-engineering-blogs-8	Dropbox				blogs.dropbox.com	1	15	8
v1-company-engineering-blogs-9	eBay				ebaytechblog.com	1	15	9
v1-company-engineering-blogs-10	Facebook				code.facebook.com	1	15	10
v1-company-engineering-blogs-11	GitHub				githubengineering.com	1	15	11
v1-company-engineering-blogs-12	Google				developers.googleblog.com	1	15	12
v1-company-engineering-blogs-13	Groupon				engineering.groupon.com	1	15	13
v1-company-engineering-blogs-14	Highscalability				highscalability.com	1	15	14
v1-company-engineering-blogs-15	Instacart				tech.instacart.com	1	15	15
v1-company-engineering-blogs-16	Instagram				engineering.instagram.com	1	15	16
v1-company-engineering-blogs-17	Linkedin				engineering.linkedin.com	1	15	17
v1-company-engineering-blogs-18	Mixpanel				mixpanel.com	1	15	18
v1-company-engineering-blogs-19	Netflix				medium.com	1	15	19
v1-company-engineering-blogs-20	Nextdoor				engblog.nextdoor.com	1	15	20
v1-company-engineering-blogs-21	PayPal				paypal-engineering.com	1	15	21
v1-company-engineering-blogs-22	Pinterest				engineering.pinterest.com	1	15	22
v1-company-engineering-blogs-23	Quora				engineering.quora.com	1	15	23
v1-company-engineering-blogs-24	Reddit				redditblog.com	1	15	24
v1-company-engineering-blogs-25	Salesforce				developer.salesforce.com	1	15	25
v1-company-engineering-blogs-26	Shopify				engineering.shopify.com	1	15	26
v1-company-engineering-blogs-27	Slack				slack.engineering	1	15	27
v1-company-engineering-blogs-28	Soundcloud				developers.soundcloud.com	1	15	28
v1-company-engineering-blogs-29	Spotify				labs.spotify.com	1	15	29
v1-company-engineering-blogs-30	Stripe				stripe.com	1	15	30
v1-company-engineering-blogs-31	System design primer				github.com	6	15	31
v1-company-engineering-blogs-32	Twitter				blog.twitter.com	1	15	32
v1-company-engineering-blogs-33	Thumbtack				thumbtack.com	1	15	33
v1-company-engineering-blogs-34	Uber				eng.uber.com	1	15	34
v1-company-engineering-blogs-35	Yahoo				yahooeng.tumblr.com	1	15	35
v1-company-engineering-blogs-36	Yelp				engineeringblog.yelp.com	1	15	36
v1-company-engineering-blogs-37	Zoom				medium.com	1	15	37
v2-1-1	Yelp				yelp.com	1	16	1
v2-1-2	Map tiles by Stamen Design				maps.stamen.com	1	16	2
v2-1-3	OpenStreetMap				openstreetmap.org	1	16	3
v2-1-4	GDPR				en.wikipedia.org	1	16	4
v2-1-5	CCPA				en.wikipedia.org	1	16	5
v2-1-6	Pagination in the REST API				developer.atlassian.com	1	16	6
v2-1-7	Google places API				developers.google.com	5	16	7
v2-1-8	Yelp business endpoints				yelp.com	5	16	8
v2-1-9	Regions and Zones				docs.aws.amazon.com	5	16	9
v2-1-10	Redis GEOHASH				redis.io	1	16	10
v2-1-11	POSTGIS				postgis.net	1	16	11
v2-1-12	Cartesian tiers				nsshutdown.com	4	16	12
v2-1-13	R-tree				en.wikipedia.org	1	16	13
v2-1-14	Global map in a Geographic Coordinate Reference System				bit.ly	1	16	14
v2-1-15	Base32				en.wikipedia.org	1	16	15
v2-1-16	Geohash grid aggregation				bit.ly	1	16	16
v2-1-17	Geohash				movable-type.co.uk	1	16	17
v2-1-18	Quadtree				en.wikipedia.org	1	16	18
v2-1-19	How many leaves has a quadtree				stackoverflow.com	1	16	19
v2-1-20	Blue green deployment				martinfowler.com	1	16	20
v2-1-21	Improved Location Caching with Quadtrees				engblog.yext.com	1	16	21
v2-1-22	S2				s2geometry.io	1	16	22
v2-1-23	Hilbert curve				en.wikipedia.org	1	16	23
v2-1-24	Hilbert mapping				bit-player.org	1	16	24
v2-1-25	Geo-fence				en.wikipedia.org	1	16	25
v2-1-26	Region cover				s2.sidewalklabs.com	1	16	26
v2-1-27	Bing map				bit.ly	1	16	27
v2-1-28	MongoDB				docs.mongodb.com	5	16	28
v2-1-29	Geospatial Indexing: The 10 Million QPS Redis Architecture Powering Lyft				youtube.com	3	16	29
v2-1-30	Geo Shape Type				elastic.co	1	16	30
v2-1-31	Geosharded Recommendations Part 1: Sharding Approach				medium.com	1	16	31
v2-1-32	Get the last known location				developer.android.com	1	16	32
v2-2-1	Facebook Launches “Nearby Friends”				techcrunch.com	1	17	1
v2-2-2	Redis Pub/Sub				redis.io	1	17	2
v2-2-3	Redis Pub/Sub under the hood				making.pusher.com	1	17	3
v2-2-4	etcd				etcd.io	1	17	4
v2-2-5	ZooKeeper				zookeeper.apache.org	1	17	5
v2-2-6	Consistent hashingones				toptal.com	1	17	6
v2-2-7	Erlang				erlang.org	1	17	7
v2-2-8	Elixir				elixir-lang.org	1	17	8
v2-2-9	A brief introduction to BEAM				erlang.org	1	17	9
v2-2-10	OTP				erlang.org	1	17	10
v2-3-1	Google Maps				developers.google.com	1	18	1
v2-3-2	Google Maps Platform				cloud.google.com	1	18	2
v2-3-3	Prototyping a Smoother Map				medium.com	1	18	3
v2-3-4	Mercator projection				en.wikipedia.org	1	18	4
v2-3-5	Peirce quincuncial projection				en.wikipedia.org	1	18	5
v2-3-6	Gall–Peters projection				en.wikipedia.org	1	18	6
v2-3-7	Winkel tripel projection				en.wikipedia.org	1	18	7
v2-3-8	Address geocoding				en.wikipedia.org	1	18	8
v2-3-9	Geohashing				kousiknath.medium.com	1	18	9
v2-3-10	HTTP keep-alive				en.wikipedia.org	1	18	10
v2-3-11	Directions API				developers.google.com	5	18	11
v2-3-12	Adjacency list				en.wikipedia.org	1	18	12
v2-3-13	CAP theorem				en.wikipedia.org	1	18	13
v2-3-14	Routing Tiles				valhalla.readthedocs.io	1	18	14
v2-3-15	ETAs with GNNs				deepmind.com	1	18	15
v2-3-16	Google Maps 101: How AI helps predict traffic and determine routes				blog.google	1	18	16
v2-4-1	Queue Length Limit				rabbitmq.com	1	19	1
v2-4-2	ApacheZooKeeper-Wikipedia				en.wikipedia.org	1	19	2
v2-4-3	etcd				etcd.io	1	19	3
v2-4-4	MySQL				mysql.com	1	19	4
v2-4-5	Comparison of disk and memory performance				deliveryimages.acm.org	1	19	5
v2-4-6	Push vs. pull				kafka.apache.org	5	19	6
v2-4-7	Kafka 2.0 Documentation				kafka.apache.org	1	19	7
v2-4-8	Kafka No Longer Requires ZooKeeper				towardsdatascience.com	1	19	8
v2-4-9	Replication, in Designing Data-Intensive Applications			2017		1	19	9
v2-4-10	ISR in Apache Kafka				cloudkarafka.com	1	19	10
v2-4-11	Global map in a geographic Coordinate Reference System				cwiki.apache.org	1	19	11
v2-4-12	Hands-free Kafka Replication				confluent.io	1	19	12
v2-4-13	Kafka high watermark				rongxinblog.wordpress.com	1	19	13
v2-4-14	Kafka mirroring				cwiki.apache.org	1	19	14
v2-4-15	Message filtering in RocketMQdtree				partners-intl.aliyun.com	1	19	15
v2-4-16	Scheduled messages and delayed messages in Apache RocketMQ				partners-intl.aliyun.com	1	19	16
v2-4-17	Hashed and hierarchical timing wheels				cs.columbia.edu	1	19	17
v2-4-18	Advanced Message Queuing Protocol				en.wikipedia.org	1	19	18
v2-4-19	Kafka protocol guide				kafka.apache.org	1	19	19
v2-4-20	HDFS				hadoop.apache.org	5	19	20
v2-5-1	Datadog				datadoghq.com	1	20	1
v2-5-2	Splunk				splunk.com	1	20	2
v2-5-3	PagerDuty				pagerduty.com	1	20	3
v2-5-4	Elastic stack				elastic.co	1	20	4
v2-5-5	Dapper, a Large-Scale Distributed Systems Tracing Infrastructure				research.google	0	20	5
v2-5-6	Distributed Systems Tracing with Zipkin				blog.twitter.com	1	20	6
v2-5-7	Prometheus				prometheus.io	5	20	7
v2-5-8	OpenTSDB - A Distributed, Scalable Monitoring System				opentsdb.net	1	20	8
v2-5-9	Data model. :				prometheus.io	5	20	9
v2-5-10	MySQL				mysql.com	1	20	10
v2-5-11	Schema design for time-series data | Cloud Bigtable Documentation				cloud.google.com	5	20	11
v2-5-12	TimeSeries Database for storing metrics at Twitter. :				blog.twitter.com	1	20	12
v2-5-13	Amazon Timestream				aws.amazon.com	1	20	13
v2-5-14	DB-Engines Ranking of time-series DBMS				db-engines.com	1	20	14
v2-5-15	InfluxDB				influxdata.com	1	20	15
v2-5-16	etcd				etcd.io	1	20	16
v2-5-17	Service Discovery with ZooKeeper				cloud.spring.io	1	20	17
v2-5-18	Amazon CloudWatch				aws.amazon.com	1	20	18
v2-5-19	Graphite				graphiteapp.org	1	20	19
v2-5-20	Push vs Pull				bit.ly	1	20	20
v2-5-21	Pull doesn’t scale - or does it?				prometheus.io	1	20	21
v2-5-22	Monitoring Architecture				developer.lightbend.com	1	20	22
v2-5-23	Push vs Pull in Monitoring Systems				giedrius.blog	1	20	23
v2-5-24	Pushgateway				github.com	6	20	24
v2-5-25	Building Applications with Serverless Architectures				aws.amazon.com	1	20	25
v2-5-26	Gorilla. AFast,Scalable,In-MemoryTimeSeriesDatabase:				vldb.org	0	20	26
v2-5-27	Why We’re Building Flux, a New Data Scripting and Query Language				influxdata.com	1	20	27
v2-5-28	InfluxDB storage engine				docs.influxdata.com	5	20	28
v2-5-29	YAML				en.wikipedia.org	1	20	29
v2-5-30	Grafana Demo				play.grafana.org	1	20	30
v2-6-1	Clickthrough rate (CTR): Definition				support.google.com	1	21	1
v2-6-2	Conversion rate: Definition				support.google.com	1	21	2
v2-6-3	OLAP functions				docs.oracle.com	5	21	3
v2-6-4	Display Advertising with Real-Time Bidding (RTB) and Behavioural Targeting				arxiv.org	0	21	4
v2-6-5	LanguageManual ORC				cwiki.apache.org	1	21	5
v2-6-6	Parquet				databricks.com	1	21	6
v2-6-7	What is avro				ibm.com	1	21	7
v2-6-8	Big Data				datakwery.com	1	21	8
v2-6-9	An Overview of End-to-End Exactly-Once Processing in Apache Flink				flink.apache.org	1	21	9
v2-6-10	DAG model				en.wikipedia.org	1	21	10
v2-6-11	Understand star schema and the importance for Power BI				docs.microsoft.com	5	21	11
v2-6-12	Designing Data-Intensive Applications			2017		1	21	12
v2-6-13	Apache Flink				flink.apache.org	1	21	13
v2-6-14	Lambda architecture				databricks.com	1	21	14
v2-6-15	Kappa architecture				hazelcast.com	1	21	15
v2-6-16	Stream Processing, in Designing Data-Intensive Applications			2017		1	21	16
v2-6-17	End-to-end Exactly-once Aggregation Over Ad Streams				youtube.com	3	21	17
v2-6-18	Ad traffic quality				google.com	1	21	18
v2-6-19	Understanding MapReduce in Hadoop				section.io	1	21	19
v2-6-20	Flink on Apache Yarn				ci.apache.org	5	21	20
v2-6-21	How data is distributed across a cluster (using virtual nodes)				docs.datastax.com	5	21	21
v2-6-22	Flink performance tuning				nightlies.apache.org	5	21	22
v2-6-23	ClickHouse				clickhouse.com	1	21	23
v2-6-24	Druid				druid.apache.org	1	21	24
v2-6-25	Real-Time Exactly-Once Ad Event Processing with Apache Flink, Kafka, and Pinot				eng.uber.com	1	21	25
v2-7-1	What Are The Benefits of Microservices Architecture?				appdynamics.com	1	22	1
v2-7-2	Microservices				en.wikipedia.org	1	22	2
v2-7-3	gRPC				grpc.io	5	22	3
v2-7-4	Booking.com iOS app					1	22	4
v2-7-5	Serializability				en.wikipedia.org	1	22	5
v2-7-6	Optimistic and pessimistic record locking				ibm.co	1	22	6
v2-7-7	Optimistic concurrency control				en.wikipedia.org	1	22	7
v2-7-8	Change data capture				docs.oracle.com	5	22	8
v2-7-9	Debizium				debezium.io	1	22	9
v2-7-10	Redis sink				bit.ly	1	22	10
v2-7-11	Monolithic Architecture				microservices.io	1	22	11
v2-7-12	Two-phase commit protocol				en.wikipedia.org	1	22	12
v2-7-13	Saga				microservices.io	1	22	13
v2-8-1	Number of Active Gmail Users				financesonline.com	1	23	1
v2-8-2	Outlook				en.wikipedia.org	1	23	2
v2-8-3	How Many Emails Are Sent Per Day in 2021?			2021	review42.com	1	23	3
v2-8-4	RFC 1939 - Post Office Protocol - Version 3				faqs.org	1	23	4
v2-8-5	ActiveSync				en.wikipedia.org	1	23	5
v2-8-6	Email attachment				en.wikipedia.org	1	23	6
v2-8-7	MIME				en.wikipedia.org	1	23	7
v2-8-8	Threading				en.wikipedia.org	1	23	8
v2-8-9	IMAP LIST Extension for Special-Use Mailboxes				datatracker.ietf.org	5	23	9
v2-8-10	Apache James				james.apache.org	1	23	10
v2-8-11	A JSON Meta Application Protocol (JMAP) Subprotocol for WebSocket				tools.ietf.org	5	23	11
v2-8-12	Cassandra Limitations				cwiki.apache.org	1	23	12
v2-8-13	Inverted index				en.wikipedia.org	1	23	13
v2-8-14	Exponential backoff				en.wikipedia.org	1	23	14
v2-8-15	QQ Email System Optimization (in Chinese)				slideshare.net	1	23	15
v2-8-16	IOPS				en.wikipedia.org	1	23	16
v2-8-17	UUID and timeuuid types				docs.datastax.com	5	23	17
v2-8-18	Message threading				jwz.org	1	23	18
v2-8-19	Global spam volume				statista.com	1	23	19
v2-8-20	Warming up dedicated IP addresses				docs.aws.amazon.com	5	23	20
v2-8-21	2018 Data Breach Investigations Report			2018	enterprise.verizon.com	1	23	21
v2-8-22	Sender Policy Framework				en.wikipedia.org	1	23	22
v2-8-23	DomainKeys Identified Mail				en.wikipedia.org	1	23	23
v2-8-24	Domain-based Message Authentication, Reporting & Conformance				dmarc.org	1	23	24
v2-8-25	DB-Engines Ranking of Search Engines				db-engines.com	1	23	25
v2-8-26	Log-structured merge-tree				en.wikipedia.org	1	23	26
v2-8-27	Microsoft Exchange Conference 2014 Search in Exchange			2014	youtube.com	3	23	27
v2-8-28	General Data Protection Regulation				en.wikipedia.org	1	23	28
v2-8-29	Lawful interception				en.wikipedia.org	1	23	29
v2-8-30	Email safety				safety.google	1	23	30
v2-9-1	Fibre channel				en.wikipedia.org	1	24	1
v2-9-2	iSCSI				en.wikipedia.org	1	24	2
v2-9-3	Server Message Block				en.wikipedia.org	1	24	3
v2-9-4	Network File System				en.wikipedia.org	1	24	4
v2-9-5	Amazon S3 Strong Consistency				aws.amazon.com	1	24	5
v2-9-6	Serial Attached SCSI				en.wikipedia.org	1	24	6
v2-9-7	AWSCLIlscommand				docs.aws.amazon.com	5	24	7
v2-9-8	Amazon S3 Service Level Agreement				aws.amazon.com	1	24	8
v2-9-9	Ambry. LinkedIn’sScalableGeo-DistributedObjectStore:				assured-cloud-computing.illinois.edu	1	24	9
v2-9-10	inode				en.wikipedia.org	1	24	10
v2-9-11	Ceph’s Rados Gateway				docs.ceph.com	5	24	11
v2-9-12	grpc				grpc.io	1	24	12
v2-9-13	Paxos				en.wikipedia.org	1	24	13
v2-9-14	Raft				raft.github.io	1	24	14
v2-9-15	Consistent hashing				toptal.com	1	24	15
v2-9-16	RocksDB				github.com	6	24	16
v2-9-17	SSTable				igvita.com	1	24	17
v2-9-18	B+ tree				en.wikipedia.org	1	24	18
v2-9-19	SQLite				sqlite.org	1	24	19
v2-9-20	Data Durability Calculation				backblaze.com	1	24	20
v2-9-21	Rack				en.wikipedia.org	1	24	21
v2-9-22	Erasure Coding				en.wikipedia.org	1	24	22
v2-9-23	Reed–Solomon error correction				en.wikipedia.org	1	24	23
v2-9-24	Erasure Coding Demystified				youtube.com	3	24	24
v2-9-25	Checksum				en.wikipedia.org	1	24	25
v2-9-26	Md5				en.wikipedia.org	1	24	26
v2-9-27	Sha1				en.wikipedia.org	1	24	27
v2-9-28	Hmac				en.wikipedia.org	1	24	28
v2-9-29	TIMEUUID				docs.datastax.com	5	24	29
v2-10-1	Man-in-the-middle attack				en.wikipedia.org	1	25	1
v2-10-2	Redis Sorted Set source code				github.com	6	25	2
v2-10-3	Geekbang				static001.geekbang.org	1	25	3
v2-10-4	Building real-time Leaderboard with Redis				medium.com	1	25	4
v2-10-5	Build a real-time gaming leaderboard with Amazon ElastiCache for Redis				aws.amazon.com	1	25	5
v2-10-6	How we created a real-time Leaderboard for a million Users				levelup.gitconnected.com	1	25	6
v2-10-7	Leaderboards				redislabs.com	1	25	7
v2-10-8	Lambda				aws.amazon.com	1	25	8
v2-10-9	Google Cloud Functions				cloud.google.com	1	25	9
v2-10-10	Azure Functions				azure.microsoft.com	1	25	10
v2-10-11	Info command				redis.io	1	25	11
v2-10-12	Why redis cluster only have 16384 slots				stackoverflow.com	1	25	12
v2-10-13	Cyclic redundancy check				en.wikipedia.org	1	25	13
v2-10-14	Choosing your node size				docs.aws.amazon.com	5	25	14
v2-10-15	How fast is Redis?				redis.io	1	25	15
v2-10-16	Using Global Secondary Indexes in DynamoDB				docs.aws.amazon.com	5	25	16
v2-10-17	Leaderboard & Write Sharding				dynamodbguide.com	1	25	17
v2-11-1	Payment system				en.wikipedia.org	1	26	1
v2-11-2	AML/CFT				en.wikipedia.org	1	26	2
v2-11-3	Card scheme				en.wikipedia.org	1	26	3
v2-11-4	ISO 4217				en.wikipedia.org	1	26	4
v2-11-5	Stripe API Reference				stripe.com	5	26	5
v2-11-6	Double-entry bookkeeping				en.wikipedia.org	1	26	6
v2-11-7	Books, an immutable double-entry accounting database service				developer.squareup.com	1	26	7
v2-11-8	Payment Card Industry Data Security Standard				en.wikipedia.org	1	26	8
v2-11-9	Tipalti				tipalti.com	1	26	9
v2-11-10	Nonce				en.wikipedia.org	1	26	10
v2-11-11	Webhooks				stripe.com	5	26	11
v2-11-12	Customize your success page				stripe.com	5	26	12
v2-11-13	3D Secure				en.wikipedia.org	1	26	13
v2-11-14	Kafka Connect Deep Dive – Error Handling and Dead Letter Queues				confluent.io	1	26	14
v2-11-15	Reliable Processing in a Streaming Payment System				youtube.com	3	26	15
v2-11-16	Chain Services with Exactly-Once Guarantees				confluent.io	1	26	16
v2-11-17	Exponential backoff				en.wikipedia.org	1	26	17
v2-11-18	Idempotence				en.wikipedia.org	1	26	18
v2-11-19	Stripe idempotent requests				stripe.com	5	26	19
v2-11-20	Idempotency				developer.paypal.com	5	26	20
v2-11-21	Paxos				en.wikipedia.org	1	26	21
v2-11-22	Raft				raft.github.io	1	26	22
v2-11-23	YogabyteDB				yugabyte.com	1	26	23
v2-11-24	Cockroachdb				cockroachlabs.com	1	26	24
v2-11-25	What is DDoS attack				cloudflare.com	1	26	25
v2-11-26	How Payment Gateways Can Detect and Prevent Online Fraud				chargebee.com	1	26	26
v2-11-27	Advanced Technologies for Detecting and Preventing Fraud at Uber				eng.uber.com	1	26	27
v2-11-28	Re-Architecting Cash and Digital Wallet Payments for India with Uber Engineering				eng.uber.com	1	26	28
v2-11-29	Scaling Airbnb’s Payment Platform				medium.com	1	26	29
v2-11-30	Payments Integration at Uber: A Case Study – Gergely Orosz				youtube.com	3	26	30
v2-12-1	Transactional guarantees				docs.oracle.com	5	27	1
v2-12-2	TPC-E Top Price/Performance Results				tpc.org	1	27	2
v2-12-3	ISO 4217 CURRENCY CODES				en.wikipedia.org	1	27	3
v2-12-4	Apache ZooKeeper				zookeeper.apache.org	1	27	4
v2-12-5	Designing Data-Intensive Applications			2017		1	27	5
v2-12-6	X/Open XA				en.wikipedia.org	1	27	6
v2-12-7	Compensating transaction				en.wikipedia.org	1	27	7
v2-12-8	SAGAS, HectorGarcia-Molina				cs.cornell.edu	1	27	8
v2-12-9	Domain-Driven Design: Tackling Complexity in the Heart of Software			2003		1	27	9
v2-12-10	Apache Kafka				kafka.apache.org	1	27	10
v2-12-11	CQRS				martinfowler.com	1	27	11
v2-12-12	Comparing Random and Sequential Access in Disk and Memory				deliveryimages.acm.org	1	27	12
v2-12-13	mmap				man7.org	1	27	13
v2-12-14	SQLite				sqlite.org	1	27	14
v2-12-15	RocksDB				rocksdb.org	1	27	15
v2-12-16	Apache Hadoop				hadoop.apache.org	1	27	16
v2-12-17	Raft				raft.github.io	1	27	17
v2-12-18	Reverse proxy				en.wikipedia.org	1	27	18
v2-13-1	LMAX exchange was famous for its open-source Disruptor				lmax.com	1	28	1
v2-13-2	IEX attracts investors by “playing fair”, also is the “Flash Boys Exchange”				en.wikipedia.org	1	28	2
v2-13-3	NYSE matched volume				nyse.com	1	28	3
v2-13-4	HKEX daily trading volume				hkex.com.hk	1	28	4
v2-13-5	All of the World’s Stock Exchanges by Size				money.visualcapitalist.com	1	28	5
v2-13-6	Denial of service attack				en.wikipedia.org	1	28	6
v2-13-7	Market impact				en.wikipedia.org	1	28	7
v2-13-8	Fix trading				fixtrading.org	1	28	8
v2-13-9	Event Sourcing				martinfowler.com	1	28	9
v2-13-10	CME Co-Location and Data Center Services				cmegroup.com	1	28	10
v2-13-11	Epoch				epoch101.com	1	28	11
v2-13-12	Order book				investopedia.com	1	28	12
v2-13-13	Order book				en.wikipedia.org	1	28	13
v2-13-14	How to Build a Fast Limit Order Book				bit.ly	1	28	14
v2-13-15	Developing with kdb+ and the q language				code.kx.com	1	28	15
v2-13-16	Latency Numbers Every Programmer Should Know				gist.github.com	1	28	16
v2-13-17	mmap				en.wikipedia.org	1	28	17
v2-13-18	Context switch				bit.ly	1	28	18
v2-13-19	Reliable User Datagram Protocol				en.wikipedia.org	1	28	19
v2-13-20	Aeron				github.com	6	28	20
v2-13-21	Chaos engineering				en.wikipedia.org	1	28	21
v2-13-22	Raft				raft.github.io	1	28	22
v2-13-23	Designing for Understandability: the Raft Consensus Algorithm				raft.github.io	1	28	23
v2-13-24	Supported Matching Algorithms				bit.ly	1	28	24
v2-13-25	Dark pool				investopedia.com	1	28	25
v2-13-26	HdrHistogram: A High Dynamic Range Histogram				hdrhistogram.org	1	28	26
v2-13-27	HotSpot (virtual machine)				en.wikipedia.org	1	28	27
v2-13-28	Cache line padding				bit.ly	1	28	28
v2-13-29	NACK-Oriented Reliable Multicast				en.wikipedia.org	1	28	29
v2-13-30	AWS Coinbase Case Study				aws.amazon.com	1	28	30