Replace broken lecloud links with the original author's tumblr links

README-ja.md

@@ -385,13 +385,13 @@
 
 ### ステップ 2: スケーラビリティに関する資料を読んで復習する
 
-[スケーラビリティ](http://www.lecloud.net/tagged/scalability/chrono)
+[スケーラビリティ](https://lecloud.tumblr.com/tagged/scalability)
 
 * ここで触れられているトピックス:
-    * [クローン](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
-    * [データベース](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
-    * [キャッシュ](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
-    * [非同期](http://www.lecloud.net/post/9699762917/scalability-for-dummies-part-4-asynchronism)
+    * [クローン](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
+    * [データベース](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
+    * [キャッシュ](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
+    * [非同期](https://lecloud.tumblr.com/post/9699762917/scalability-for-dummies-part-4-asynchronism)
 
 ### 次のステップ
 
@@ -670,7 +670,7 @@ Layer 7 ロードバランサーは [アプリケーションレイヤー](#通
 
 * [NGINX アーキテクチャ](https://www.nginx.com/blog/inside-nginx-how-we-designed-for-performance-scale/)
 * [HAProxy アーキテクチャガイド](http://www.haproxy.org/download/1.2/doc/architecture.txt)
-* [スケーラビリティ](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
+* [スケーラビリティ](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
 * [Wikipedia](https://en.wikipedia.org/wiki/Load_balancing_(computing))
 * [Layer 4 ロードバランシング](https://www.nginx.com/resources/glossary/layer-4-load-balancing/)
 * [Layer 7 ロードバランシング](https://www.nginx.com/resources/glossary/layer-7-load-balancing/)
@@ -1034,7 +1034,7 @@ Googleは[Bigtable](http://www.read.seas.harvard.edu/~kohler/class/cs239-w08/cha
 
 * [基本用語の説明](http://stackoverflow.com/questions/3342497/explanation-of-base-terminology)
 * [NoSQLデータベースについて調査と選択ガイド](https://medium.com/baqend-blog/nosql-databases-a-survey-and-decision-guidance-ea7823a822d#.wskogqenq)
-* [スケーラビリティ](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
+* [スケーラビリティ](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
 * [NoSQLのイントロダクション](https://www.youtube.com/watch?v=qI_g07C_Q5I)
 * [NoSQLパターン](http://horicky.blogspot.com/2009/11/nosql-patterns.html)
 
@@ -1268,7 +1268,7 @@ def set_user(user_id, values):
 * [スケーラブルなシステムデザインパターン](http://horicky.blogspot.com/2010/10/scalable-system-design-patterns.html)
 * [スケールできるシステムを設計するためのイントロダクション](http://lethain.com/introduction-to-architecting-systems-for-scale/)
 * [スケーラビリティ、可用性、安定性、パターン](http://www.slideshare.net/jboner/scalability-availability-stability-patterns/)
-* [スケーラビリティ](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
+* [スケーラビリティ](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
 * [AWS ElastiCacheのストラテジー](http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/Strategies.html)
 * [Wikipedia](https://en.wikipedia.org/wiki/Cache_(computing))
 

README-zh-Hans.md

@@ -390,13 +390,13 @@
 
 ### 第二步：回顾可扩展性文章
 
-[可扩展性](http://www.lecloud.net/tagged/scalability/chrono)
+[可扩展性](https://lecloud.tumblr.com/tagged/scalability)
 
 * 主题涵盖：
-    * [Clones](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
-    * [数据库](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
-    * [缓存](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
-    * [异步](http://www.lecloud.net/post/9699762917/scalability-for-dummies-part-4-asynchronism)
+    * [Clones](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
+    * [数据库](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
+    * [缓存](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
+    * [异步](https://lecloud.tumblr.com/post/9699762917/scalability-for-dummies-part-4-asynchronism)
 
 ### 接下来的步骤
 
@@ -673,7 +673,7 @@ CDN 拉取是当第一个用户请求该资源时，从服务器上拉取资源
 
 * [NGINX 架构](https://www.nginx.com/blog/inside-nginx-how-we-designed-for-performance-scale/)
 * [HAProxy 架构指南](http://www.haproxy.org/download/1.2/doc/architecture.txt)
-* [可扩展性](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
+* [可扩展性](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
 * [Wikipedia](https://en.wikipedia.org/wiki/Load_balancing_(computing))
 * [四层负载平衡](https://www.nginx.com/resources/glossary/layer-4-load-balancing/)
 * [七层负载平衡](https://www.nginx.com/resources/glossary/layer-7-load-balancing/)
@@ -1044,7 +1044,7 @@ Google 发布了第一个列型存储数据库 [Bigtable](http://www.read.seas.h
 
 - [数据库术语解释](http://stackoverflow.com/questions/3342497/explanation-of-base-terminology)
 - [NoSQL 数据库 - 调查及决策指南](https://medium.com/baqend-blog/nosql-databases-a-survey-and-decision-guidance-ea7823a822d#.wskogqenq)
-- [可扩展性](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
+- [可扩展性](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
 - [NoSQL 介绍](https://www.youtube.com/watch?v=qI_g07C_Q5I)
 - [NoSQL 模式](http://horicky.blogspot.com/2009/11/nosql-patterns.html)
 
@@ -1277,7 +1277,7 @@ def set_user(user_id, values):
 - [可扩展系统设计模式](http://horicky.blogspot.com/2010/10/scalable-system-design-patterns.html)
 - [可缩放系统构架介绍](http://lethain.com/introduction-to-architecting-systems-for-scale/)
 - [可扩展性，可用性，稳定性和模式](http://www.slideshare.net/jboner/scalability-availability-stability-patterns/)
-- [可扩展性](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
+- [可扩展性](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
 - [AWS ElastiCache 策略](http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/Strategies.html)
 - [维基百科](https://en.wikipedia.org/wiki/Cache_(computing))
 

README-zh-TW.md

@@ -384,13 +384,13 @@
 
 ### 第二步：複習關於可擴展性的文章
 
-[可擴展性](http://www.lecloud.net/tagged/scalability/chrono)
+[可擴展性](https://lecloud.tumblr.com/tagged/scalability)
 
 * 包含以下主題：
-    * [複製](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
-    * [資料庫](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
-    * [快取](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
-    * [非同步](http://www.lecloud.net/post/9699762917/scalability-for-dummies-part-4-asynchronism)
+    * [複製](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
+    * [資料庫](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
+    * [快取](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
+    * [非同步](https://lecloud.tumblr.com/post/9699762917/scalability-for-dummies-part-4-asynchronism)
 
 ### 下一步
 
@@ -669,7 +669,7 @@ DNS 是階層式的架構，一部分的 DNS 伺服器位於頂層，當查詢
 
 * [NGINX 架構](https://www.nginx.com/blog/inside-nginx-how-we-designed-for-performance-scale/)
 * [HAProxy 架構指南](http://www.haproxy.org/download/1.2/doc/architecture.txt)
-* [可擴展性](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
+* [可擴展性](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
 * [維基百科](https://en.wikipedia.org/wiki/Load_balancing_(computing))
 * [第四層負載平衡](https://www.nginx.com/resources/glossary/layer-4-load-balancing/)
 * [第七層負載平衡](https://www.nginx.com/resources/glossary/layer-7-load-balancing/)
@@ -1035,7 +1035,7 @@ Google 發表了第一個列儲存型資料庫 [Bigtable](http://www.read.seas.h
 
 * [資料庫術語解釋](http://stackoverflow.com/questions/3342497/explanation-of-base-terminology)
 * [NoSQL 資料庫：調查與決策指南](https://medium.com/baqend-blog/nosql-databases-a-survey-and-decision-guidance-ea7823a822d#.wskogqenq)
-* [可擴展性](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
+* [可擴展性](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
 * [NoSQL 介紹](https://www.youtube.com/watch?v=qI_g07C_Q5I)
 * [NoSQL 模式](http://horicky.blogspot.com/2009/11/nosql-patterns.html)
 
@@ -1269,7 +1269,7 @@ def set_user(user_id, values):
 * [可擴展的系統設計模式](http://horicky.blogspot.com/2010/10/scalable-system-design-patterns.html)
 * [可擴展的系統架構介紹](http://lethain.com/introduction-to-architecting-systems-for-scale/)
 * [可擴展性、可用性、穩定性與模式](http://www.slideshare.net/jboner/scalability-availability-stability-patterns/)
-* [可擴展性](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
+* [可擴展性](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
 * [AWS ElastiCache 策略](http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/Strategies.html)
 * [維基百科](https://en.wikipedia.org/wiki/Cache_(computing))
 

README.md

@@ -389,13 +389,13 @@ First, you'll need a basic understanding of common principles, learning about wh
 
 ### Step 2: Review the scalability article
 
-[Scalability](https://web.archive.org/web/20221030091841/http://www.lecloud.net/tagged/scalability/chrono)
+[Scalability](https://lecloud.tumblr.com/tagged/scalability)
 
 * Topics covered:
-    * [Clones](https://web.archive.org/web/20220530193911/https://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
-    * [Databases](https://web.archive.org/web/20220602114024/https://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
-    * [Caches](https://web.archive.org/web/20230126233752/https://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
-    * [Asynchronism](https://web.archive.org/web/20220926171507/https://www.lecloud.net/post/9699762917/scalability-for-dummies-part-4-asynchronism)
+    * [Clones](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
+    * [Databases](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
+    * [Caches](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
+    * [Asynchronism](https://lecloud.tumblr.com/post/9699762917/scalability-for-dummies-part-4-asynchronism)
 
 ### Next steps
 
@@ -721,7 +721,7 @@ Load balancers can also help with horizontal scaling, improving performance and
 
 * [NGINX architecture](https://www.nginx.com/blog/inside-nginx-how-we-designed-for-performance-scale/)
 * [HAProxy architecture guide](http://www.haproxy.org/download/1.2/doc/architecture.txt)
-* [Scalability](http://www.lecloud.net/post/7295452622/scalability-for-dummies-part-1-clones)
+* [Scalability](https://lecloud.tumblr.com/post/7295452622/scalability-for-dummies-part-1-clones)
 * [Wikipedia](https://en.wikipedia.org/wiki/Load_balancing_(computing))
 * [Layer 4 load balancing](https://www.nginx.com/resources/glossary/layer-4-load-balancing/)
 * [Layer 7 load balancing](https://www.nginx.com/resources/glossary/layer-7-load-balancing/)
@@ -1083,7 +1083,7 @@ Graphs databases offer high performance for data models with complex relationshi
 
 * [Explanation of base terminology](http://stackoverflow.com/questions/3342497/explanation-of-base-terminology)
 * [NoSQL databases a survey and decision guidance](https://medium.com/baqend-blog/nosql-databases-a-survey-and-decision-guidance-ea7823a822d#.wskogqenq)
-* [Scalability](http://www.lecloud.net/post/7994751381/scalability-for-dummies-part-2-database)
+* [Scalability](https://lecloud.tumblr.com/post/7994751381/scalability-for-dummies-part-2-database)
 * [Introduction to NoSQL](https://www.youtube.com/watch?v=qI_g07C_Q5I)
 * [NoSQL patterns](http://horicky.blogspot.com/2009/11/nosql-patterns.html)
 
@@ -1317,7 +1317,7 @@ Refresh-ahead can result in reduced latency vs read-through if the cache can acc
 * [Scalable system design patterns](http://horicky.blogspot.com/2010/10/scalable-system-design-patterns.html)
 * [Introduction to architecting systems for scale](http://lethain.com/introduction-to-architecting-systems-for-scale/)
 * [Scalability, availability, stability, patterns](http://www.slideshare.net/jboner/scalability-availability-stability-patterns/)
-* [Scalability](http://www.lecloud.net/post/9246290032/scalability-for-dummies-part-3-cache)
+* [Scalability](https://lecloud.tumblr.com/post/9246290032/scalability-for-dummies-part-3-cache)
 * [AWS ElastiCache strategies](http://docs.aws.amazon.com/AmazonElastiCache/latest/UserGuide/Strategies.html)
 * [Wikipedia](https://en.wikipedia.org/wiki/Cache_(computing))