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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/04/19 06:40:57 UTC

[GitHub] [shardingsphere] lwclover commented on pull request #16913: NonaId faster and shorter than uuid

lwclover commented on PR #16913:
URL: https://github.com/apache/shardingsphere/pull/16913#issuecomment-1102151645

   > It it better to perform a JMH test to compare UUID generated by ThreadLocalRandom with NanoId.
   
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   Test case | nanoid（ms） | uuid（ms）
   -- | -- | --
   1 thread generate total 10000000 | 15252 | 12546
   1 thread generate total 10000000，and ThreadLocalRandom optimization | 3596 | 5824
   10 thread generate total 10000000 | 23909 | 15609
   10 thread generate total 10000000，and ThreadLocalRandom optimization | 4094 | 5521
   test environment：Linux version 3.10.0-1062.18.1.el7.x86_64，8c 16m  conclusion：Nanoid performs better than UUID when optimized using ThreadLocalRandom
   
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