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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/04/18 09:01:40 UTC
[GitHub] [shardingsphere] weekndyyy opened a new issue, #16895: conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java
weekndyyy opened a new issue, #16895:
URL: https://github.com/apache/shardingsphere/issues/16895
I am using sharding-jdbc-core 4.1.1 and defined a custom key generator which is based on **shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java**, the only difference is changing WORKER_ID_BITS and SEQUENCE_BITS to 6 bits:
`private static final long SEQUENCE_BITS = 6L;`
`private static final long WORKER_ID_BITS = 6L;`
My concurrency is not large, but sometimes a key conflict occurs, two threads generated the same key:
How can I fix this problem?
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[GitHub] [shardingsphere] zjcnb commented on issue #16895: conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java
Posted by GitBox <gi...@apache.org>.
zjcnb commented on issue #16895:
URL: https://github.com/apache/shardingsphere/issues/16895#issuecomment-1102457272
@weekndyyy Hello, Can you try it again with 5.1.1 version? I think you used version are too old.
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[GitHub] [shardingsphere] weekndyyy commented on issue #16895: conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java
Posted by GitBox <gi...@apache.org>.
weekndyyy commented on issue #16895:
URL: https://github.com/apache/shardingsphere/issues/16895#issuecomment-1103361606
> @weekndyyy Hello, Can you try it again with 5.1.1 version? I think you used version are too old.
Is this problem caused by the low version?
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[GitHub] [shardingsphere] pzpupu commented on issue #16895: conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java
Posted by GitBox <gi...@apache.org>.
pzpupu commented on issue #16895:
URL: https://github.com/apache/shardingsphere/issues/16895#issuecomment-1136696231
我使用5.1.1版本，在并发高的时候使用snowflake id, 仍会出现重复的情况
---------------
I use version 5.1.1 and use snowflake id when the concurrency is high, and there will still be duplicates
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[GitHub] [shardingsphere] weekndyyy closed issue #16895: conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java
Posted by GitBox <gi...@apache.org>.
weekndyyy closed issue #16895: conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java
URL: https://github.com/apache/shardingsphere/issues/16895
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Re: [I] conflict key generated: shardingsphere/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/keygen/DefaultKeyGenerator.java [shardingsphere]
Posted by "Qiudenghui (via GitHub)" <gi...@apache.org>.
Qiudenghui commented on issue #16895:
URL: https://github.com/apache/shardingsphere/issues/16895#issuecomment-2076293347
你好，请问下这个最后怎么处理了，现在我也遇到这个情况，workerId 也配置了，仍然主键重复
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