Workbench/questions/q_6b28ab1fb5cd4dcf922effe073a6b6b7
Redis 分布式锁为什么要续约？
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redis
- category
- distributed_system
- difficulty
- unset
- source_count
- 1
- updated_at
- 2026-03-24 08:20:24Z
Canonical answer
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因为业务执行时间可能超过锁超时，需要防止锁提前释放。
Answer variants (1)
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canonical
因为业务执行时间可能超过锁超时，需要防止锁提前释放。
Related questions (3)
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distributed_systemkafkamq
distributed_systemlockredis
distributed_systemlockredis
Metadata
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review_status: active
personal_answer: no
sources linked: 1
Sources (1)
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reviewer-slice3-1774340361120
interview_experienceInterview: 字节跳动 / 后端开发 / 一面
Question 1: Redis 分布式锁为什么要续约？
Source answer: 因为业务执行时间可能超过锁超时，需要防止锁提前释放。
Source URL: https://example.com/reviewer-slice3