阿里云2018年第一届PolarDB数据库性能大赛Java排名第一源码
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engine_java
README.md
RaceRule.md

README.md

天池大赛-阿里云2018年第一届PolarDB数据库性能大赛分享

天池比赛链接

赛题描述

解题报告长文

How to build

cd engine_java && mvn assembly:assembly

How to run

默认只能在Linux上运行(因为使用了JNA的Direct I/O)。

Write:

java -server -XX:-UseBiasedLocking -Xms2000m -Xmx2000m -XX:NewSize=1400m -XX:MaxMetaspaceSize=32m -XX:MaxDirectMemorySize=1G -XX:+UseG1GC -cp engine_java-0.0.1-SNAPSHOT-jar-with-dependencies.jar com.alibabacloud.polar_race.engine.common.neoremind.benchmark.BenchMark2 64 1000000 8 4096 /please/set/directory 1

Read:

java -server -XX:-UseBiasedLocking -Xms2000m -Xmx2000m -XX:NewSize=1400m -XX:MaxMetaspaceSize=32m -XX:MaxDirectMemorySize=1G -XX:+UseG1GC -cp engine_java-0.0.1-SNAPSHOT-jar-with-dependencies.jar com.alibabacloud.polar_race.engine.common.neoremind.benchmark.BenchMark2 64 1000000 8 4096 /please/set/directory 2

Range:

java -server -XX:-UseBiasedLocking -Xms2000m -Xmx2000m -XX:NewSize=1400m -XX:MaxMetaspaceSize=32m -XX:MaxDirectMemorySize=1G -XX:+UseG1GC -cp engine_java-0.0.1-SNAPSHOT-jar-with-dependencies.jar com.alibabacloud.polar_race.engine.common.neoremind.benchmark.BenchMark2 64 1000000 8 4096 /please/set/directory 2

Note:

64 1000000 8 4096 表示64并发,每个线程100w kv,key 8B,value 4K