2024

System Design 2024 - Amazon September 25, 2024

System Design 2024 - Bidding Platform September 25, 2024

System Design 2024 - Robinhood August 9, 2024

System Design 2024 - Twitter July 29, 2024

System Design 2024 - TicketMaster July 29, 2024

System Design 2024 - Youtube July 29, 2024

Setup Zookeeper + Kafka in VMware July 16, 2024

2023

Maven tutorial January 16, 2023

2022

RuntimeException and checked Exception December 1, 2022

System design cheat sheet November 17, 2022

System design questions November 15, 2022

Java Design Pattern November 15, 2022

MyBatis and SSM (Spring/SpringMVC/MyBatis) November 1, 2022

Redis (NoSQL) Cache October 31, 2022

SpringMVC learning notes October 31, 2022

MySql (3) - Sharding October 30, 2022

MySql (2) - Master/slave October 30, 2022

MySql (4) - Performance Optimization October 30, 2022

MySql (1) - Indexing, Locking and Transaction October 30, 2022

Java Spring framework October 30, 2022

2016

[Design] How to Design Logging August 1, 2016

[Design] MVC, MVP and MVVM July 31, 2016

[Design] Design Twitter July 11, 2016

[Design] User Registry Table Design May 8, 2016

2015

[Design] Designing a simple web crawler November 22, 2015

[Design] How to generate Maze November 21, 2015

[Design] Strategy design pattern November 18, 2015

[Design] Facebook Photo Storage September 2, 2015

[Design] How Google search works August 30, 2015

[Design] How is Pipe implemented in Unix/Linux July 23, 2015

[Design] Cryptographic standard, AES and RSA June 9, 2015

[Design] Linux and TCP ports June 8, 2015

[Design] HBase and HDFS February 15, 2015

[Design] Speed Up Webpage for Slow Connection (1) February 14, 2015

[Design] Speed Up Webpage for Slow Connection (2) February 14, 2015

[Design] Speed Up Webpage for Slow Connection (3) February 14, 2015

[Design] Speed Up Webpage for Slow Connection (4) February 14, 2015

[Design] Application Server vs. Web Server February 11, 2015

[Design] Design Cache System (`) February 10, 2015

[Design] Intro to Google Spanner February 9, 2015

[Design] Big Data - Find Common Elements in 2 Lists February 8, 2015

[Design] Difference: Internet and the Web February 8, 2015

[Design] Find similar library books February 8, 2015

[Design] Multithreading Async Increment Problem February 7, 2015

[Design] Winning Games Rank (pagerank) February 5, 2015

[Design] Monitor Rps for Past sec/min/hr February 3, 2015

[Design] Limit the Request per Second February 1, 2015

[Design] Design Google Suggest (autocomplete) January 24, 2015

[Design] Distributed Caching - memcached January 24, 2015

[Design] Difference between HTTP and HTTPS January 20, 2015

[Design] Difference between HTTP protocol and TCP protocol January 19, 2015

[Design] Real Time Top k January 9, 2015

[Design] Big Data - Top k Frequency (hands-on) January 9, 2015

[Design] Terminology: n-gram January 9, 2015

[Design] P2P Technology January 7, 2015

[Design] Big Data Storage January 6, 2015

[Design] Cloud, Grid and Cluster January 6, 2015

[Design] Distributed hash table January 6, 2015

2014

[Design] Database Indexing December 27, 2014

[Design] DNS Communication Protocol September 12, 2014

[Design] Leader Election September 3, 2014

[Design] Multithreading - Deadlock Prevention September 1, 2014

[Design] Cryptographic Hash, MD5 and Digital signature August 30, 2014

[Design] HTTP cookie August 28, 2014

[Design] OOD Design of Elevator August 26, 2014

[Design] Virtual Memory, Page Fault and Thrashing August 26, 2014

[Design] Merits of BST over HashTables August 23, 2014

[Design] Shared Hosting vs. VPS Hosting August 23, 2014

[Design] Stack and Heap August 23, 2014

[Design] From Client/Server to Multi-Tier August 12, 2014

[Design] TCP 3-Way Handshake August 11, 2014

[Design] Big Data - Remove Duplicate Numbers August 10, 2014

[Design] Big Data - Top k Frequency (case analysis) August 10, 2014

[Design] Big Data - Find Existence of a Number August 10, 2014

[Design] Big Data - Find Median Numbers August 10, 2014

[Design] Big Data - Fuzzy Search url (Bloom Filter) August 10, 2014

[Design] Functional programming August 9, 2014

[Design] Median of array in Distributed Computers August 9, 2014

[Design] Process VS. Thread August 9, 2014

[Design] Composition Over Inheritance August 8, 2014

[Design] Producer Consumer Problem August 8, 2014

[Design] Distributed Network Bottleneck August 7, 2014

[Design] HTTP Headers August 6, 2014

[Design] Networks and TCP/IP August 6, 2014

[Design] Amazon Web Services August 5, 2014

[Design] MapReduce Common Friends Example August 5, 2014

[Design] MapReduce Intro August 5, 2014

[Design] Hadoop cluster August 4, 2014

[Design] Model–view–controller (MVC) August 4, 2014

[Design] Overview of Big Data Technology August 4, 2014

[Design] Multilayered architecture August 3, 2014

[Design] Multithreading Q&A July 26, 2014

[Design] Semaphore Mutex Toilet Example July 25, 2014

[Design] Big Data - Top k Frequency July 25, 2014

[Design] Multithreading Basics July 24, 2014

[Design] Two's complement (2's complement) July 13, 2014

[Design] HashMap vs Hashtable vs HashSet July 1, 2014

[Design] Cache and Page Replacement Algorithms June 23, 2014

[Design] Time complexity calculation (Master theorem) June 17, 2014

[Design] BST Node Insertion / Deletion June 11, 2014

[Design] Big Endian and Little Endian June 3, 2014

[Design] Implemention of DFS using a Stack June 3, 2014

[Design] DFS, BFS and space efficiency May 29, 2014