ravipesala commented on issue #3637: [CARBONDATA-3721][CARBONDATA-3590] Optimize Bucket Table URL: https://github.com/apache/carbondata/pull/3637#issuecomment-592972205 @Zhangshunyu It was a supported feature earlier but it is bad that code got removed some time back. Anyway, spark changed the hashing technique on creating buckets so we cannot rely on our own hashing anymore. I see a lot of code got copied spark to just get the hashing. it is not recommended to do so as in the future if they change it will again break. Even they follow industry-standard murmur hash to do the hash. So please use the guava library and do the murmur hashing. Please don't copy the code unnecessarily from the spark.
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