2.16 ziplist

1. What Is ziplist

• A Redis internal data structure used to implement list and zset
• A contiguous block of memory

2. Why ziplist Is Needed

• Dynamic array: consists of a length and an element list. Each element occupies the same amount of space and has the same type
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• ziplist: also consists of a length and an element list. The difference is:
  • Each element can occupy a different amount of space, so memory can be saved
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3. References

• 9.1.1 The ziplist representation | Redis Labs
• Analyzing the Data Structures Behind Common Redis Data Types - CSDN