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摘要: repl_test:PRIMARY> show dbsadmin 0.000GBdirect_vote_resource 16.474GBlocal 14.860GBpersonas 30.771GBrecommendation 0.370GBstatistics_visit 0.137GBsupe 阅读全文
posted @ 2018-11-22 11:52 papering 阅读(307) 评论(0) 推荐(0)
摘要: def strIntersection(s0, s1, margin=0.2): set0, set1 = set([i for i in s0]), set([i for i in s1]) I = set0 & set1 return len(I) / len(set0) >= margin or len(I) / len(set1) >= margindef diffS... 阅读全文
posted @ 2018-11-22 09:08 papering 阅读(331) 评论(0) 推荐(0)
摘要: 拥塞控制 流量控制 阅读全文
posted @ 2018-11-21 20:30 papering 阅读(149) 评论(0) 推荐(0)
摘要: 自己开发Thinkpad电源管理程序 - 知乎 https://zhuanlan.zhihu.com/p/20706403 阅读全文
posted @ 2018-11-21 14:10 papering 阅读(317) 评论(0) 推荐(0)
摘要: Golang开发支持平滑升级(优雅重启)的HTTP服务 - tabalt的博客 http://tabalt.net/blog/graceful-http-server-for-golang/ https://github.com/tabalt/gracehttp Golang开发支持平滑升级(优雅重 阅读全文
posted @ 2018-11-21 14:04 papering 阅读(692) 评论(0) 推荐(0)
摘要: socks5_百度百科 https://baike.baidu.com/item/socks5/8915011?fr=aladdin 如果您的机器具有一个合法的 Internet IP 地址, 或者您利用自己机器上的调制解调器拨号上网, 可以自由和 Internet 上任何主机沟通, 那么您通常不必 阅读全文
posted @ 2018-11-21 11:58 papering 阅读(279) 评论(0) 推荐(0)
摘要: API网关的开源解决方案那么多,为什么我们却还要选择自研? - SDK.CN - 中国领先的开发者服务平台 https://sdk.cn/news/8001 技术细节Microservice+SOA状态维持在web层(spring session+redis)每层都可以Cache(spring ca 阅读全文
posted @ 2018-11-21 11:43 papering 阅读(159) 评论(0) 推荐(0)
摘要: Graphite http://graphiteapp.org/ Graphite is an enterprise-ready monitoring tool that runs equally well on cheap hardware or Cloud infrastructure. Tea 阅读全文
posted @ 2018-11-21 11:22 papering 阅读(238) 评论(0) 推荐(0)
摘要: https://www.alibabacloud.com/blog/detailed-explanation-of-guava-ratelimiters-throttling-mechanism_594820 限流算法实践 https://mp.weixin.qq.com/s/2f5-2bydqbe 阅读全文
posted @ 2018-11-21 11:07 papering 阅读(649) 评论(0) 推荐(0)
摘要: 硅谷Spring项目组专家教你利用Spring Cloud构建微服务 https://dbaplus.cn/news-21-506-1.html 阅读全文
posted @ 2018-11-21 10:32 papering 阅读(235) 评论(0) 推荐(0)
摘要: 不按照预期响应请求 nginx.conf中worker_connections 与ulimt -n 配置的冲突 阅读全文
posted @ 2018-11-21 09:17 papering 阅读(1313) 评论(0) 推荐(0)
摘要: Socket (Java Platform SE 7 ) https://docs.oracle.com/javase/7/docs/api/java/net/Socket.html#sendUrgentData(int) sendUrgentData Send one byte of urgent 阅读全文
posted @ 2018-11-20 21:31 papering 阅读(506) 评论(0) 推荐(0)
摘要: 6.5 — Variable shadowing (name hiding) | Learn C++ https://www.learncpp.com/cpp-tutorial/variable-shadowing-name-hiding/ Go的50度灰:Golang新开发者要注意的陷阱和常见错误 阅读全文
posted @ 2018-11-20 18:56 papering 阅读(498) 评论(0) 推荐(0)
摘要: user nginx; worker_processes 8; # = cpu num; error_log /data/nginx/log/error/error.log warn; # warn, error crit, alert, and emerg levels are logged. NGINX Docs | Configuring Logging https://do... 阅读全文
posted @ 2018-11-20 15:54 papering 阅读(942) 评论(0) 推荐(0)
摘要: js >netty >flume 阅读全文
posted @ 2018-11-20 12:05 papering 阅读(545) 评论(0) 推荐(0)
摘要: [root@d java]# netstat -tulpnActive Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program nametcp 0 0 阅读全文
posted @ 2018-11-20 11:15 papering 阅读(713) 评论(0) 推荐(0)
摘要: 当前文件的行号 阅读全文
posted @ 2018-11-19 20:00 papering 阅读(844) 评论(0) 推荐(0)
摘要: Delete API | Elasticsearch Reference [6.5] | Elastic https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-delete.html 阅读全文
posted @ 2018-11-19 15:44 papering 阅读(188) 评论(0) 推荐(0)
摘要: PacificA: Replication in Log-Based Distributed Storage Systems - Microsoft Research https://www.microsoft.com/en-us/research/publication/pacifica-repl 阅读全文
posted @ 2018-11-19 14:25 papering 阅读(440) 评论(0) 推荐(0)
摘要: BSON Types — MongoDB Manual https://docs.mongodb.com/manual/reference/bson-types/#objectid ObjectId ObjectIds are small, likely unique, fast to genera 阅读全文
posted @ 2018-11-19 11:04 papering 阅读(480) 评论(0) 推荐(0)
摘要: 大文本 mysql es mysql id longText > es longText mysqlId 大文本先入mysql,再同步至es; 文本查询逻辑交由es实现; mysql作用:生成Id,备份; 拿mysqlId取mysql大文本; 阅读全文
posted @ 2018-11-19 10:25 papering 阅读(224) 评论(0) 推荐(0)
摘要: 【旧的场景】1、x.a.com指向负载均衡服务器ipL;2、代码所在的应用服务器ipA,ipB,ipC,运行nginx-phpFPM服务,提供2个服务; 2.1、应用服务器ipA,ipB,ipC中web服务: webPage-URL: http://x.a.com/m-phpPage/c/v; 2. 阅读全文
posted @ 2018-11-17 17:17 papering 阅读(350) 评论(0) 推荐(0)
摘要: NGINX Docs | Configuring Logging https://docs.nginx.com/nginx/admin-guide/monitoring/logging/【 在上层设置error_log目录,底层设置覆盖高层设置; 】 动手 error_log /data/nginx 阅读全文
posted @ 2018-11-17 16:09 papering 阅读(736) 评论(0) 推荐(0)
摘要: [root@a ~]# traceroute www.ijntv.cntraceroute to www.ijntv.cn (42.81.61.31), 30 hops max, 60 byte packets 1 * * * 2 * * * 3 11.220.30.77 (11.220.30.77 阅读全文
posted @ 2018-11-17 11:50 papering 阅读(2683) 评论(0) 推荐(0)
摘要: [root@a ~]# /usr/local/nginx/sbin/nginx -s reload;nginx: [alert] kill(18834, 1) failed (3: No such process) root 15808 0.0 0.0 51288 1488 ? Ss Oct22 0 阅读全文
posted @ 2018-11-17 11:26 papering 阅读(1486) 评论(0) 推荐(0)
摘要: NGINX Docs | NGINX Reverse Proxy https://docs.nginx.com/nginx/admin-guide/web-server/reverse-proxy/ NGINX Reverse Proxy This article describes the bas 阅读全文
posted @ 2018-11-17 10:38 papering 阅读(3346) 评论(0) 推荐(0)
摘要: Using nginx as HTTP load balancer Using nginx as HTTP load balancer http://nginx.org/en/docs/http/load_balancing.html Using nginx as HTTP load balance 阅读全文
posted @ 2018-11-17 10:31 papering 阅读(1166) 评论(0) 推荐(0)
摘要: nginx平台初探(100%) — Nginx开发从入门到精通 http://tengine.taobao.org/book/chapter_02.html#id6 nginx的模块化体系结构¶ nginx的内部结构是由核心部分和一系列的功能模块所组成。这样划分是为了使得每个模块的功能相对简单,便于 阅读全文
posted @ 2018-11-16 17:41 papering 阅读(877) 评论(0) 推荐(0)
摘要: 边缘触发 水平触发 23 | Linux利器:epoll的前世今生 https://time.geekbang.org/column/article/143245 对于 edge-triggered 和 level-triggered, 官方的说法是一个是边缘触发,一个是条件触发。也有文章从电子脉冲 阅读全文
posted @ 2018-11-16 15:42 papering 阅读(1224) 评论(0) 推荐(0)
摘要: nginx平台初探(100%) — Nginx开发从入门到精通 http://ten 众所周知,nginx性能高,而nginx的高性能与其架构是分不开的。那么nginx究竟是怎么样的呢?这一节我们先来初识一下nginx框架吧。 nginx在启动后,在unix系统中会以daemon的方式在后台运行,后 阅读全文
posted @ 2018-11-16 15:13 papering 阅读(584) 评论(0) 推荐(0)
摘要: Module ngx_http_upstream_module http://nginx.org/en/docs/http/ngx_http_upstream_module.html#sticky This directive appeared in version 1.5.7. Enables s 阅读全文
posted @ 2018-11-16 14:48 papering 阅读(370) 评论(0) 推荐(0)
摘要: 负载均衡SLB产品家族介绍 https://help.aliyun.com/document_detail/196874.html 应用型负载均衡ALB(Application Load Balancer):专门面向七层,提供超强的业务处理性能,例如HTTPS卸载能力。单实例每秒查询数QPS(Que 阅读全文
posted @ 2018-11-16 14:42 papering 阅读(2935) 评论(0) 推荐(0)
摘要: Title http://www.cse.msu.edu/~alexliu/publications/Cookie/cookie.pdf AbstractCookies are the primary means for web applicationsto authenticate HTTP re 阅读全文
posted @ 2018-11-16 14:19 papering 阅读(772) 评论(0) 推荐(0)
摘要: Elastic Load Balancing with Sticky Sessions — Shlomo Swidler https://shlomoswidler.com/2010/04/elastic-load-balancing-with-sticky-sessions.html Elasti 阅读全文
posted @ 2018-11-16 11:49 papering 阅读(326) 评论(0) 推荐(0)
摘要: 对于应用需要记录某个方法耗时的场景,必须使用clock_gettime传入CLOCK_MONOTONIC参数,该参数获得的是自系统开机起单调递增的纳秒级别精度时钟,相比gettimeofday精度提高不少,并且不受NTP等外部服务影响,能准确更准确来统计耗时(java中对应的是System.nano 阅读全文
posted @ 2018-11-15 20:34 papering 阅读(623) 评论(0) 推荐(0)
摘要: Netty框架学习之路(五)—— EventLoop及事件循环机制 - 懋懋之为 - CSDN博客 https://blog.csdn.net/tjreal/article/details/79751342 netty 在半透明做代理网关下 对请求的批处理 阅读全文
posted @ 2018-11-15 19:10 papering 阅读(398) 评论(0) 推荐(0)
摘要: [root@d log]# ps -aux | grep javaroot 550 0.2 1.9 6000924 641384 pts/1 Sl+ 17:39 0:13 /usr/java/jdk1.8.0_101/bin/java -Xmx20m -Dflume.root.logger=INFO 阅读全文
posted @ 2018-11-15 19:08 papering 阅读(544) 评论(0) 推荐(0)
摘要: Environment Variables (The Java™ Tutorials > Essential Classes > The Platform Environment) https://docs.oracle.com/javase/tutorial/essential/environme 阅读全文
posted @ 2018-11-15 18:47 papering 阅读(241) 评论(0) 推荐(0)
摘要: jvm 前置 nginx lua 阅读全文
posted @ 2018-11-15 18:32 papering 阅读(185) 评论(0) 推荐(0)
摘要: Chapter 7. Advanced topics http://hc.apache.org/httpcomponents-client-ga/tutorial/html/advanced.html 7.3. Using the FutureRequestExecutionService 7.3. 阅读全文
posted @ 2018-11-15 15:46 papering 阅读(608) 评论(0) 推荐(0)
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