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Xiaowei Wang's Projects

brooklin icon brooklin

An extensible distributed system for reliable nearline data streaming at scale

flink-sql-lineage icon flink-sql-lineage

FlinkSQL字段血缘解决方案及源码。FlinkSQL field lineage solution and source code, The core idea is to parse SQL through Calcite to generate a RelNode tree of relational expressions. Then get the optimized logical paln through optimization stage, and finally call Calcite RelMetadataQuery to get the lineage relationship at the field level.

ip2region icon ip2region

准确率99.9%的ip地址定位库,0.0x毫秒级查询,数据库文件大小只有1.5M,提供了java,php,c,python,nodejs,golang查询绑定和Binary,B树,内存三种查询算法,妈妈再也不用担心我的ip地址定位!

pig icon pig

Mirror of Apache Pig

sparkdemo icon sparkdemo

spark example code, has some production practice.

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