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翻译 成神之路 第002期。

JVM-Java内存模型。看完后请写下你的学习笔记。 PS:要区分开和Java内存结构的区别。 参考资料: 《深入理解Java虚拟机》 《Java并发编程的艺术》 [12.17日更新]《成神之路系列文章》-HollisChuang's Blog 细说Java多线程之内存可见性-慕课网 The Java Community Process(SM) Program - JSRs: Jav... Jav...

2018-11-03 23:23:42 145

原创 成神之路 第001期

JVM-JVM内存结构。看完后请写下你的学习笔记。 参考资料: 《深入理解Java虚拟机》Java虚拟机的内存组成以及堆内存介绍-HollisChuang's Blog Java堆和栈看这篇就够 - Johnny-Zhuang's Technology Blog Java虚拟机的堆、栈、堆栈如何去理解? - 知乎 Java 内存之方法区和运行时常量池 - 漠然的博客 | mritd Blog 从0...

2018-11-03 23:11:57 185

原创 idea的使用技巧

ctrl+F5会是服务重启

2018-08-05 15:55:44 165

Gbase 8a MPP Cluster 所有相关使用手册

Gbase 8a MPP Cluster 所有相关使用手册,数据仓库相关。

2018-11-02

GBase 8a MPP Cluster SQL 参考手册

GBase 8a MPP Cluster GCmonit与集群启停工具使用手册

2018-11-02

redis-5.0.0.zip

1. The new Stream data type. https://redis.io/topics/streams-intro 2. New Redis modules APIs: Timers, Cluster and Dictionary APIs. 3. RDB now store LFU and LRU information. 4. The cluster manager was ported from Ruby (redis-trib.rb) to C code inside redis-cli. Check `redis-cli --cluster help` for more info. 5. New sorted set commands: ZPOPMIN/MAX and blocking variants. 6. Active defragmentation version 2. 7. Improvemenets in HyperLogLog implementations. 8. Better memory reporting capabilities. 9. Many commands with sub-commands now have an HELP subcommand. 10. Better performances when clients connect and disconnect often. 11. Many bug fixes and other random improvements. 12. Jemalloc was upgraded to version 5.1 13. CLIENT UNBLOCK and CLIENT ID. 14. The LOLWUT command was added. http://antirez.com/news/123 15. We no longer use the "slave" word if not for API backward compatibility. 16. Differnet optimizations in the networking layer. 17. Lua improvements: - Better propagation of Lua scripts to replicas / AOF. - Lua scripts can now timeout and get in -BUSY state in the replica as well. 18. Dynamic HZ to balance idle CPU usage with responsiveness. 19. The Redis core was refactored and improved in many ways.

2018-11-02

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