• BigData
  • Introduction
  • Java
    • Concurrency
      • 原子变量类
      • 并发算法
      • LockSupport
      • AQS
      • ReentrantLock解析
      • StampedLock
      • 同步辅助类Exchanger
      • 同步辅助类Phaser
      • 并发面试题
      • BankAccount
      • ProducerConsumer
      • Philosopher
      • 线程池(一)
      • 线程池(二)
      • Lock Optimization
    • Java IO
      • New File API in Java 7
    • Netty
    • G1 Collector
    • JDK8 Metaspace
    • Performance Tuning
  • Algorithms
    • BitFiddling
      • Single Number II
      • Single Number III
      • Reverse Bits
      • Number of 1 Bits
      • Bitwise AND of Numbers Range
      • Maximum Product of Word Lengths
      • Max Binary Gap
      • Convert Integer A to Integer B
      • Update Bits
      • Single Number IV
      • Binary representation of a real number
      • Flipping bits
      • Power of Two
      • Power of Four
    • Arrays
      • Equi3
      • Find the Duplicate Number
      • Next Permutation
      • Previous Permuation
      • Pascal's Triangle
      • Longest Consecutive Sequence
      • Read N Characters Given Read4 I
      • Missing Ranges
      • Minimum Size Subarray Sum
      • Local Minimum of an array
      • Maximum Subarray
      • Shortest Word Distance
      • Flatten 2D Vector
      • Find the Celebrity
      • Majority Element II
      • Majority Number III
      • Game of Life
      • Flip Game
      • Sparse Matrix Multiplication
      • Increasing Triplet Subsequence
      • Recover Rotated Sorted Array
      • Subarray Sum II
      • Intersection of Two Arrays
      • Shuffle an Array
      • Summary Ranges
      • Rotate Function
      • Find All Duplicates in an Array
      • Find All Numbers Disappeared in an Array
    • Matrix
      • Rotate Image
      • Spiral Matrix
      • Spiral Matrix II
      • Set Matrix Zeroes
      • Search a 2D Matrix
      • Search a 2D Matrix II
      • Best Meeting Point
      • Maximum Black Subsquare
      • Matrix Zigzag Traversal
      • Submatrix Sum
      • Number of Islands
      • Valid Word Square
    • String
      • Longest Palindromic Substring
      • ZigZag Conversion
      • String to Integer (atoi)
      • Longest Common Prefix
      • Implement strStr()
      • Count and Say
      • Multiply Strings
      • Add Binary
      • Text Justification
      • Valid Palindrome
      • Reverse Words in a String
      • Compare Version Numbers
      • Encode and Decode Strings
      • Longest Substring Without Repeating Characters
      • Additive Number
      • Shortest Palindrome
      • Valid Anagram242
      • Reverse String
      • Reverse Vowels of a String
      • Replace Words
      • Judge Route Circle
      • One Edit Distance
      • Valid Anagram
      • Integer to English Words
      • Ransom Note
      • Convert a Number to Hexadecimal
      • Add Strings
    • LinkedList
      • LRUCache
      • Add Two Numbers
      • Swap Nodes in Pairs
      • Rotate List
      • Remove Duplicates from Sorted List II
      • Copy List with Random Pointer
      • Reverse Nodes in k-Group
      • Linked List Cycle
      • Linked List Cycle II
      • Reorder List
      • Reverse Linked List II
      • Intersection of Two Linked Lists
      • Remove Linked List Elements
      • Palindrome Linked List
      • Delete Node in a Linked List
      • Odd Even Linked List
      • Plus One Linked List
      • Split Linked List in Parts
      • Linked List Components
      • Interval List Intersections
    • Stack
      • ReversePolishNotation
      • Binary Search Tree Iterator
      • Closest Binary Search Tree Value II
      • Longest Valid Parentheses
      • Simplify Path
      • Min Stack
      • Symmetric Tree
      • Verify Preorder Sequence in Binary Search Tree
      • Verify Preorder Serialization of a Binary Tree
      • Max Tree
      • Flatten Nested List Iterator
    • Queue & Heap
      • Sliding Window Maximum
      • Zigzag Iterator
      • Find Median from Data Stream
      • Merge k Sorted Lists
      • Sliding Window Median
      • Trapping Rain Water II
      • Moving Average from Data Stream
    • Binary Tree
      • Binary Indexed Trees
      • Range Sum Query 2D - Mutable
      • Count of Smaller Numbers After Self
      • Segment Tree
      • Recover Binary Search Tree
      • Binary Tree Preorder Traversal
      • Implement Trie (Prefix Tree)
      • Add and Search Word - Data structure design
      • Maximum Depth of Binary Tree
      • Construct Binary Tree from Preorder and Inorder Traversal
      • Construct Binary Tree from Inorder and Postorder Traversal
      • Same Tree
      • Minimum Depth of Binary Tree
      • Balanced Binary Tree
      • Flatten Binary Tree to Linked List
      • Populating Next Right Pointers in Each Node
      • Populating Next Right Pointers in Each Node II
      • Binary Tree Maximum Path Sum
      • Sum Root to Leaf Numbers
      • Binary Tree Upside Down
      • Different Ways to Add Parentheses
      • Binary Tree Longest Consecutive Sequence
      • Lowest Common Ancestor of a Binary Tree
      • Subtree Check
      • Serialize and Deserialize Binary Tree
      • Find Duplicate Subtrees
    • Binary Search Tree
      • Unique Binary Search Trees
      • Unique Binary Search Trees II
      • Contains Duplicate III
      • Closest Binary Search Tree Value
      • Inorder Successor in BST
      • Validate Binary Search Tree
      • Convert Sorted Array to Binary Search Tree
      • Convert Sorted List to Binary Search Tree
      • Largest BST Subtree
    • Math
      • Get spiral index from location
      • Factorial Trailing Zeroes
      • Fast Power
      • 实现两个数相加不用四则运算
      • Number of Digit One
      • Majority Number
      • Majority Number II
      • Majority Number III
      • Ugly Number
      • Super Ugly Number
      • Palindrome Number
      • Integer to Roman
      • Divide Two Integers
      • Permutation Sequence
      • Valid Number
      • Gray Code
      • Fraction to Recurring Decimal
      • Excel Sheet Column Title
      • Excel Sheet Column Number
      • Rectangle Area
      • Add Digits
      • Nim Game
      • Bulb Switcher
      • Power of Three
      • Next largest palindrome
      • Self Crossing
      • Shuffle Array
      • Counting Bits
      • Integer Break
    • Hash Map
      • Group Shifted Strings
      • Valid Sudoku
      • Group Anagrams
      • Minimum Window Substring
      • Palindrome Permutation
      • Isomorphic Strings
      • Substring with Concatenation of All Words
      • 4Sum
      • Happy Number
      • Max Points on a Line
      • Longest Substring with At Most Two Distinct Characters
      • Shortest Word Distance II
      • Strobogrammatic Number I
      • Word Pattern
      • Bulls and Cows
      • Number of Islands II
      • Print Binary Tree Vertically
      • Unique Word Abbreviation
      • Number of Connected Components in an Undirected Graph
      • Line Reflection
      • Implement Magic Dictionary
    • Dynamic Programming
      • Best Time to Buy and Sell Stock III
      • Best Time to Buy and Sell Stock IV
      • Best Time to Buy and Sell Stock with Cooldown
      • Regular Expression Matching
      • Unique Path I
      • Climbing Stairs
      • Minimum Path Sum
      • Edit Distance
      • Scramble String
      • Largest Rectangle in Histogram
      • Maximal Rectangle
      • Maximum Subarray II
      • Maximum Subarray III
      • Longest Increasing Continuous Subsequence
      • LongestIncreasing Continuous Subsequence II
      • Decode Ways
      • Interleaving String
      • Distinct Subsequences
      • Palindrome Partitioning
      • Palindrome Partitioning II
      • Word Break
      • Word Break II
      • Maximum Product Subarray
      • Dungeon Game
      • House Robber
      • House Robber II
      • Maximal Square
      • Paint House
      • Paint House II
      • Paint Fence
      • Perfect Squares
      • Range Sum Query 2D - Immutable
      • Burst Balloons
      • Coin Change
      • Longest Common Subsequence
      • Longest Common Substring
      • Backpack
      • Backpack II
      • Coins in a line
      • Coins in a Line III
      • Post Office
      • Stock Maximize
      • Android Unlock Patterns
    • Sorting
      • Maximum Gap
      • The Skyline Problem
      • Merge Intervals
      • Insert Interval
      • Sort Colors
      • Meeting Room II
      • Wiggle Sort II
      • H-Index
      • First Missing Positive
      • The Smallest Difference
      • Count of Range Sum
      • Nuts & Bolts Problem
      • Subarray Sum Closest
      • Top K Frequent Elements
    • Binary Search
      • Median of Two Sorted Array
      • Search in Rotated Sorted Array
      • Search for a Range
      • Search Insert Position
      • Pow(x, n)
      • Sqrt(x)
      • Find Minimum in Rotated Sorted Array
      • Find Minimum in Rotated Sorted Array II
      • Find Peak Element
      • Count Complete Tree Nodes
      • Smallest Rectangle Enclosing Black Pixels
      • Longest Increasing Subsequence
      • Kth Largest Element in an Array
      • Kth smallest elment in sorted Matrix
      • Triangle Count
      • Wood Cut
      • Find Peak Element II
      • Russian Doll Envelopes
      • Valid Perfect Square
      • Guess Number Higher or Lower
      • Find Right Interval
    • BackTracking
      • Flip Game II
      • Letter Combinations of a Phone Number
      • Generate Parentheses
      • Sudoku Solver
      • Combination Sum
      • Combination Sum II
      • Combination Sum III
      • Combinations
      • Permutations
      • Permutations II
      • All Permutations of String
      • Word Search
      • Word Search II
      • Word Pattern II
      • Restore IP Addresses
      • Word Ladder II
      • N-Queens
      • N-Queens II
      • Subsets
      • Subsets II
      • Factor Combinations
      • Generalized Abbreviation
      • Permutation Index
      • Permutation Index II
    • Depth-First Search
      • Strobogrammatic Number II
      • Strobogrammatic Number III
      • Palindrome Permutation II
      • Path Sum
      • Binary Tree Right Side View
      • Count Univalue Subtrees
      • Expression Add Operators
      • Remove Invalid Parentheses
      • Longest Increasing Path in a Matrix
      • Reconstruct Itinerary
      • K Sum II
    • Breadth-First Search
      • Binary Tree Level Order Traversal
      • Detect if a tree is complete binary tree
      • Word Ladder
      • Surrounded Regions
      • Clone Graph
      • Course Schedule
      • Topological order
      • Graph Valid Tree
      • Alien Dictionary
      • Walls and Gates
      • Minimum Height Trees
      • Shortest Distance from All Buildings
      • Nested List Weight Sum
    • Greedy
      • Wildcard Matching
      • Container With Most Water
      • Trapping Rain Water
      • Candy
      • Gas Station
      • Jump Game
      • Jump Game II
      • Remove Duplicate Letters
      • Create Maximum Number
      • Patching Array
      • House Robber III
    • Design
      • Peeking Iterator
      • Design Hit Counter
      • Design Phone Directory
  • Memory Limits
    • Word Count in a large file
    • Compute the K Closed Stars
    • Find an integer not among four billion given ones
    • How to detect duplicate documents in billions of urls
    • Find Duplicate Numbers
    • Design Tic-Tac Toe
  • 面经
    • VMWare
  • System Design
    • Key paradigms for Developing the clean Objected Oriented Code
    • What happened if you tap a URL at a browser?
    • Design A Parking System
    • OOD for a Restaurant
    • Design Elevator System
    • Design A Call Center
    • Design a tinyurl system
    • Design A Web Crawler
    • Design Rate Limiter做限流
    • Twitter News Feed Design
    • AutoComplete
    • Design a random ID generation system
    • Uber
    • Design A Cache System
    • Cinema Theatre Design
    • Design a distributed key-value store
    • 设计自动售货机
    • Pizza Booking
    • Design ATM Machine
    • Design a data structure
  • System Architecture
    • 一致性哈希
    • Architects Should Code: The Architect’s Misconception
    • WebChat
    • Stack Overflow
    • Search Engine
    • What To Do When Your Website Goes Down?
    • 秒杀架构设计
  • DataBases
  • Network
    • I\/O Models
    • Linux EPoll
    • The C10K problem
    • TCP ZeroWindow results in Connection Close
  • Probabilistic Data Structures
  • Spring
    • Spring Rest Consumer
    • Spring Boot
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System Architecture

System Architecture

  1. Fail Over: Fail over means switching to another machine when one of the machine fails.

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  3. 新浪微博混合云架构实践挑战之概述篇

  4. 20 Software Scalability Questions & Answers for Architect Interview

  5. 架构师之路16年精选50篇

  6. Leaf——美团点评分布式ID生成系统

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