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139 lines
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Markdown
139 lines
14 KiB
Markdown
# Awesome Scalability, Availability, and Stability Backend [](https://github.com/sindresorhus/awesome)
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A curated list of selected readings/case studies to illustrate [Scalability](https://news.ycombinator.com/item?id=4339174), [Availability](https://www.digitalocean.com/community/tutorials/what-is-high-availability), and [Stability](http://blog.dialpad.com/blog/2015/12/4/engineering-values-infrastructure-stability) patterns in backend design.
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#### What if your backend went slow?
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> Understand your problems: performance problem (slow for a single user) or scalability problem (fast for a single user but slow under heavy load) from [basic](#basic).
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#### What if your backend went down?
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> "Even if you lose all one day, you can build all over again if you retain your calm!" - Thuan Pham, CTO at Uber Technologies Inc.
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## Contributing
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Please take a look at the [contribution guidelines](CONTRIBUTING.md) first.
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Contributions are always welcome!
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## Contents
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- [Basic](#basic)
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- [Scalability](#scalability)
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- [Availability](#availability)
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- [Stability](#stability)
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## Basic
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* [CAP Theorem and the Trade-offs](http://robertgreiner.com/2014/08/cap-theorem-revisited/)
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* [Scale up vs Scale out](https://blogs.technet.microsoft.com/admoore/2015/02/17/scaling-out-vs-scaling-up/)
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* [Latency vs Throughput: Striving for maximal throughput with acceptable latency](https://blogs.dropbox.com/tech/2017/09/optimizing-web-servers-for-high-throughput-and-low-latency/)
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* [ACID?](http://highscalability.com/drop-acid-and-think-about-data)
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* [Architecture Issues: Bottlenecks, Database, CPU, IO](http://highscalability.com/blog/2014/5/12/4-architecture-issues-when-scaling-web-applications-bottlene.html)
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* [Immutability](https://eng.uber.com/immutable-collections/)
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## Scalability
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* [Distributed Caching](https://www.wix.engineering/single-post/scaling-to-100m-to-cache-or-not-to-cache)
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* [Write-behind and Write-through](https://docs.oracle.com/cd/E15357_01/coh.360/e15723/cache_rtwtwbra.htm#COHDG5177)
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* [Eviction Policies](http://highscalability.com/blog/2016/1/25/design-of-a-modern-cache.html)
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* [Peer-To-Peer Caching](https://en.wikipedia.org/wiki/P2P_caching)
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* [Distributed Logging & Tracing](https://blog.treasuredata.com/blog/2016/08/03/distributed-logging-architecture-in-the-container-era/)
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* [Building DistributedLog at Twitter: High-performance replicated log service](https://blog.twitter.com/engineering/en_us/topics/infrastructure/2015/building-distributedlog-twitter-s-high-performance-replicated-log-servic.html)
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* [Distributed tracing at Pinterest with Pintrace](https://medium.com/@Pinterest_Engineering/distributed-tracing-at-pinterest-with-new-open-source-tools-a4f8a5562f6b)
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* [Scalable and reliable log ingestion at Pinterest](https://medium.com/@Pinterest_Engineering/scalable-and-reliable-data-ingestion-at-pinterest-b921c2ee8754)
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* [Distributed Messaging](https://arxiv.org/pdf/1704.00411.pdf)
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* [Understanding When to use RabbitMQ or Apache Kafka](https://content.pivotal.io/blog/understanding-when-to-use-rabbitmq-or-apache-kafka)
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* [Storage](http://highscalability.com/blog/2011/11/1/finding-the-right-data-solution-for-your-application-in-the.html)
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* [In-memory Storage](https://medium.com/@denisanikin/what-an-in-memory-database-is-and-how-it-persists-data-efficiently-f43868cff4c1)
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* [Optimizing Memcached Efficiency at Quora](https://engineering.quora.com/Optimizing-Memcached-Efficiency)
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* [Real-Time Data Warehouse with MemSQL on Cisco UCS](https://blogs.cisco.com/datacenter/memsql)
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* [Durable Storage (S3)](https://aws.amazon.com/s3/)
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* [Reasons for Choosing S3 over HDFS at Databricks](https://databricks.com/blog/2017/05/31/top-5-reasons-for-choosing-s3-over-hdfs.html)
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* [S3 in the Data Infrastructure at Airbnb](https://medium.com/airbnb-engineering/data-infrastructure-at-airbnb-8adfb34f169c)
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* [Quantcast File System on Amazon S3](https://www.quantcast.com/blog/quantcast-file-system-on-amazon-s3/)
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* [Using S3 in Netflix Chukwa](https://medium.com/netflix-techblog/evolution-of-the-netflix-data-pipeline-da246ca36905)
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* [NoSQL](https://www.thoughtworks.com/insights/blog/nosql-databases-overview)
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* [Key-Value Databases (DynamoDB, Voldemort, Manhattan)](http://highscalability.com/anti-rdbms-list-distributed-key-value-stores)
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* [Scaling Mapbox infrastructure with DynamoDB Streams](https://blog.mapbox.com/scaling-mapbox-infrastructure-with-dynamodb-streams-d53eabc5e972)
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* [Manhattan: Twitter’s distributed key-value database](https://blog.twitter.com/engineering/en_us/a/2014/manhattan-our-real-time-multi-tenant-distributed-database-for-twitter-scale.html)
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* [Document Databases (Cassandra, Vertica, Sybase IQ)](https://msdn.microsoft.com/en-us/magazine/hh547103.aspx)
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* [Consistent Hashing in Cassandra](https://blog.imaginea.com/consistent-hashing-in-cassandra/)
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* [When NOT to use Cassandra?](https://stackoverflow.com/questions/2634955/when-not-to-use-cassandra)
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* [Storing Images in Cassandra at Walmart Scale](https://medium.com/walmartlabs/building-object-store-storing-images-in-cassandra-walmart-scale-a6b9c02af593)
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* [Cassandra at Instagram](https://www.slideshare.net/DataStax/cassandra-at-instagram-2016)
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* [How Yelp Scaled Ad Analytics with Cassandra](https://engineeringblog.yelp.com/2016/08/how-we-scaled-our-ad-analytics-with-cassandra.html)
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* [How Discord Stores Billions of Messages with Cassandra](https://blog.discordapp.com/how-discord-stores-billions-of-messages-7fa6ec7ee4c7)
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* [Graph Databases (MongoDB, CouchDB, Neo4j)](https://neo4j.com/blog/neo4j-scalability-infographic/)
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* [eBay: Building Mission-Critical Multi-Data Center Applications with MongoDB](https://www.mongodb.com/blog/post/ebay-building-mission-critical-multi-data-center-applications-with-mongodb)
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* [MongoDB at Baidu: Multi-Tenant Cluster Storing 200+ Billion Documents across 160 Shards](https://www.mongodb.com/blog/post/mongodb-at-baidu-powering-100-apps-across-600-nodes-at-pb-scale)
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* [Datastructure Databases (Redis, Hazelcast)](https://db-engines.com/en/system/Hazelcast%3BMemcached%3BRedis)
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* [How Twitter Uses Redis To Scale](http://highscalability.com/blog/2014/9/8/how-twitter-uses-redis-to-scale-105tb-ram-39mm-qps-10000-ins.html)
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* [How Twitter Uses Redis To Scale - Video](https://www.youtube.com/watch?v=QznaOSk20nU)
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* [Redis in Slack job queue](https://slack.engineering/scaling-slacks-job-queue-687222e9d100)
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* [Moving persistent data out of Redis at Github](https://githubengineering.com/moving-persistent-data-out-of-redis/)
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* [RDBMS](https://www.mysql.com/products/cluster/scalability.html)
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* [Why SQL is beating NoSQL, and what this means for the future of data](https://blog.timescale.com/why-sql-beating-nosql-what-this-means-for-future-of-data-time-series-database-348b777b847a)
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* [Sharding MySQL at Pinterest](https://medium.com/@Pinterest_Engineering/sharding-pinterest-how-we-scaled-our-mysql-fleet-3f341e96ca6f)
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* [How Airbnb Partitioned Main MySQL Database in Two Weeks](https://medium.com/airbnb-engineering/how-we-partitioned-airbnb-s-main-database-in-two-weeks-55f7e006ff21)
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* [Replication is the Key for Scalability & High Availability](http://basho.com/posts/technical/replication-is-the-key-for-scalability-high-availability/)
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* [How Twitch uses PostgreSQL](https://blog.twitch.tv/how-twitch-uses-postgresql-c34aa9e56f58)
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* [Scaling MySQL-based financial reporting system at Airbnb](https://medium.com/airbnb-engineering/tracking-the-money-scaling-financial-reporting-at-airbnb-6d742b80f040)
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* [Scaling to 100M at Wix: MySQL is a Better NoSQL](https://www.wix.engineering/single-post/scaling-to-100m-mysql-is-a-better-nosql)
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* [Why Uber Engineering Switched from Postgres to MySQL](https://eng.uber.com/mysql-migration/)
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* [Handling Growth with Postgres at Instagram](https://engineering.instagram.com/handling-growth-with-postgres-5-tips-from-instagram-d5d7e7ffdfcb)
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* [HTTP Caching](https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching)
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* [Reverse Proxy (Nginx, Varnish, Squid, rack-cache)](https://www.mertech.com/overview-reverse-proxying/)
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* [CDN (Akamai)](https://building.coursera.org/blog/2015/07/09/improving-coursera-global-site-performance-a-head-to-head-cdn-battle-with-production-traffic/)
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* [Concurrency](https://lambda.grofers.com/open-sourcing-codon-workflow-framework-for-building-aggregator-apis-f8e591a158b4)
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* [Message-Passing Concurrency](https://link.springer.com/chapter/10.1007/978-3-642-35170-9_11)
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* [Software Transactional Memory](https://dl.acm.org/citation.cfm?id=3037750)
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* [Dataflow Concurrency](http://www.marketwired.com/press-release/java-concurrency-and-scalability-platform-akka-celebrates-fifth-anniversary-1928674.htm)
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* [Shared-State Concurrency](https://common-lisp.net/project/ssc/darcs/spec/specification.pdf)
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* [Event-Driven Architecture](https://martinfowler.com/articles/201701-event-driven.html)
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* [Messaging](https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.doc/ae/cjt1004_.html)
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* [Publish-Subscribe](https://aws.amazon.com/pub-sub-messaging/)
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* [Autoscaling Pub/Sub Consumers at Spotify](https://labs.spotify.com/2017/11/20/autoscaling-pub-sub-consumers/)
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* [Point-to-Point](https://content.pivotal.io/blog/understanding-when-to-use-rabbitmq-or-apache-kafka)
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* [Store-Forward](https://medium.com/netflix-techblog/announcing-suro-backbone-of-netflixs-data-pipeline-5c660ca917b6)
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* [Request-Reply](http://edwardost.github.io/talend/camel/2015/05/15/Scalable-JMS-Request-Reply/)
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* [Actors: Fire-forget and Fire-Receive-Eventually](https://doc.akka.io/docs/akka/2.5.5/scala/actors.html)
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* [Enterprise Service Bus](http://www.oracle.com/technetwork/articles/soa/ind-soa-esb-1967705.html)
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* [Domain Events](https://www.oreilly.com/ideas/the-evolution-of-scalable-microservices)
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* [Event Stream Processing](https://dl.acm.org/citation.cfm?id=2933288)
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* [Event Sourcing](https://medium.com/lcom-techblog/scalable-microservices-with-event-sourcing-and-redis-6aa245574db0)
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* [Command & Query Responsibility Segregation (CQRS)](https://docs.microsoft.com/en-us/azure/architecture/patterns/cqrs)
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* [Load-balancing](https://blog.vivekpanyam.com/scaling-a-web-service-load-balancing/)
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* [Round-robin Allocation](https://www.citrix.com/blogs/2010/09/03/load-balancing-round-robin/)
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* [Random Allocation](http://www.streetdirectory.com/travel_guide/192172/world_wide_web/load_balancing_and_yahoo.html)
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* [Weighted Allocation](https://medium.com/netflix-techblog/netflix-shares-cloud-load-balancing-and-failover-tool-eureka-c10647ef95e5)
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* [Dynamic Load-balancing](https://engineeringblog.yelp.com/2017/05/taking-zero-downtime-load-balancing-even-further.html)
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* [Work-stealing](https://groups.google.com/forum/#!searchin/mechanical-sympathy/http/mechanical-sympathy/CWyAD-oF9Uw/ycO0vxGqMvsJ)
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* [Consistent Hashing](https://medium.com/vimeo-engineering-blog/improving-load-balancing-with-a-new-consistent-hashing-algorithm-9f1bd75709ed)
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* [UDP Load-balancing](https://developers.500px.com/udp-load-balancing-with-keepalived-167382d7ad08)
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* [Parallel Computing](https://blogs.msdn.microsoft.com/ddperf/2009/05/02/are-we-taking-advantage-of-parallelism/)
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* [SPMD (Single Program Multiple Data): The Genetic Pattern](https://www2.eecs.berkeley.edu/Pubs/TechRpts/2012/EECS-2012-186.html)
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* [Master/Worker Pattern](https://docs.gigaspaces.com/sbp/master-worker-pattern.html)
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* [Loop Parallelism Pattern: Extracting parallel tasks from loops](https://www.cs.umd.edu/class/fall2001/cmsc411/projects/unroll/main.htm)
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* [Fork/Join Pattern: Good for recursive data processing](http://highscalability.com/learn-how-exploit-multiple-cores-better-performance-and-scalability)
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* [MapReduce Pattern: Born for Big Data](http://static.googleusercontent.com/media/research.google.com/en/us/archive/mapreduce-osdi04.pdf)
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* [Parallelize the rendering of web pages: Use case of Yelp.com](https://engineeringblog.yelp.com/2017/07/generating-web-pages-in-parallel-with-pagelets.html)
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## Availability
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* [Fail-over](https://activemq.apache.org/artemis/docs/1.0.0/ha.html)
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* [Replication](https://m.alphasights.com/a-primer-on-database-replication-381b319cd032)
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* [Master-Slave](https://engineering.bitnami.com/articles/enabling-additional-nodes-to-bitnami-mysql-with-replication.html)
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* [Tree Replication](https://link.springer.com/chapter/10.1007/3-540-44863-2_47)
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* [Master-Master](http://sabbour.me/highly-available-and-scalable-master-master-mysql-on-azure-virtual-machines/)
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* [Buddy Replication](https://developer.jboss.org/wiki/JBossCacheBuddyReplicationDesign)
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## Stability
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* [Circuit Breaker](https://doc.akka.io/docs/akka/current/common/circuitbreaker.html)
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* [Always use timeouts (if possible)](https://www.javaworld.com/article/2824163/application-performance/stability-patterns-applied-in-a-restful-architecture.html)
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* [Let it crash/Supervisors: Embrace failure as a natural state in the life-cycle of the application](http://erlang.org/doc/design_principles/sup_princ.html)
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* [Crash early: An error now is better than a response tomorrow](http://odino.org/better-performance-the-case-for-timeouts/)
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* [Bulkheads: Partition and tolerate failure in one part](https://skife.org/architecture/fault-tolerance/2009/12/31/bulkheads.html)
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* [Steady state: Always put logs on separate disk](https://docs.microsoft.com/en-us/sql/relational-databases/policy-based-management/place-data-and-log-files-on-separate-drives)
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* [Throttling: Maintain a steady pace](http://www.sosp.org/2001/papers/welsh.pdf)
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## Others
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* [Scalable Gaming Patterns on AWS (Sep 2017)](https://d0.awsstatic.com/whitepapers/aws-scalable-gaming-patterns.pdf)
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* [Building a Modern Bank Backend](https://monzo.com/blog/2016/09/19/building-a-modern-bank-backend/)
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## Special Thanks
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* Jonas Bonér, CTO at Lightbend, for the [original inspiration](https://www.slideshare.net/jboner/scalability-availability-stability-patterns)
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