苹果开源项目**快手开源项目 Blaze ，几乎一字不差，还准备进 Apache 基金会

MasterCard

抄袭例证 1：
https://github.com/kwai/blaze/blob/master/native-engine/datafusion-ext-commons/src/spark_hash.rs
https://github.com/apache/datafusion-comet/blob/main/core/src/execution/datafusion/spark_hash.rs

抄袭例证 2：
https://github.com/kwai/blaze/blob/master/native-engine/blaze-jni-bridge/src/jni_bridge.rs#L1102
https://github.com/apache/datafusion-comet/blob/383ae9197422da5948a31caf21722569ef2067fe/core/src/jvm_bridge/comet_metric_node.rs#L28

抄袭例证 3：
https://github.com/kwai/blaze/blob/580bfe604d14604bdf3feb64b3368ba7faba5750/native-engine/datafusion-ext/src/shuffle_writer_exec.rs#L450
https://github.com/apache/datafusion-comet/blob/main/core/src/execution/datafusion/shuffle_writer.rs#L888

Blaze 就挂在 kwai 的名下，非常的显眼。

datafusion-comet 虽然表面看不出是 Apple 的开源代码，但实际上第一个提交的人里包含了全部都是 @Apple 的邮箱
https://github.com/apache/datafusion-comet/commit/383c8fd0a39831eb7b2dc6a707af84a71edbd93f

捐赠给 Apache 基金会的邮件
https://lists.apache.org/thread/0q1rb11jtpopc7vt1ffdzro0omblsh0s

zuixu

程序员的事情不能用抄，是借鉴

cccavs

没吹自研、遵守开源协议就行啊

micboy

The Blaze accelerator for Apache Spark leverages native vectorized execution to accelerate query processing. It combines the power of the Apache Arrow-DataFusion library and the scale of the Spark distributed computing framework.

Apache DataFusion Comet is an Apache Spark plugin that uses Apache DataFusion as native runtime to achieve improvement in terms of query efficiency and query runtime.

xftaw

比某国国产系统好

小尾巴~~~~~