improve

Author: digoal zhou

202101/20210129_04.md

@@ -318,6 +318,7 @@ APP类
 所以, 别问它赚了多少，应该问它亏了多少，亏到哪去了，有时候亏的越多，反而可能越成功（降维打击）。当然还是要想清楚未来到底怎么变现.      
 所有的一切都有一个前提，产品必须要好，匹配用户需求。     
 
+- 统筹，前后相关性，影响，节奏感   
 - 四两拨千斤, 高ROI  
 - 所有数字, 可度量, 在同行业中做得怎么样, 有参照.    
 - 可规模化  

class/1.md

@@ -1,4 +1,14 @@
 # 21 Oracle兼容性
+##### 202012/20201210_02.md   [《为什么Oracle 21c的新特性不值得一提? 因为它已经老了!》](../202012/20201210_02.md)  
+##### 202010/20201013_01.md   [《PostgreSQL 史上最强JSON功能 - PG 12 jsonpath 完全超越oracle, mysql, sql server的sql json标准覆盖率》](../202010/20201013_01.md)  
+##### 202008/20200801_01.md   [《PostgreSQL 砖家坐诊 - 集群、安全、去O、分区表、备份、sharding、性能优化、Oracle兼容性等问题》](../202008/20200801_01.md)  
+##### 202003/20200326_17.md   [《PostgreSQL oracle pl/sql 存储过程language handler - 在pg中支持pl/sql》](../202003/20200326_17.md)  
+##### 202003/20200325_01.md   [《[转载] Oracle的购买价格研究》](../202003/20200325_01.md)  
+##### 202003/20200324_07.md   [《PostgreSQL oracle, mysql, sqlite DBLINK - dblink_plus》](../202003/20200324_07.md)  
+##### 202002/20200214_02.md   [《阿里云RDS PG情人节发布SQL翻译功能 - Oracle翻译到PostgreSQL》](../202002/20200214_02.md)  
+##### 202002/20200202_01.md   [《Oracle vs PostgreSQL 对照学习系列 - 概念术语 - A》](../202002/20200202_01.md)  
+##### 202002/20200201_01.md   [《Oracle vs PostgreSQL 对照学习系列课程 - 大纲》](../202002/20200201_01.md)  
+##### 201912/20191210_01.md   [《PostgreSQL Tutorial for Oracle, MySQL DBAs and Beginners》](../201912/20191210_01.md)  
 ##### 201910/20191008_01.md   [《Oracle 20c 新特性 - 开源是商业数据库的影子 - 翻出了PG十年前的特性》](../201910/20191008_01.md)  
 ##### 201909/20190922_01.md   [《PostgreSQL EDB EPAS 兼容Oracle sqlplus客户端edb\*plus》](../201909/20190922_01.md)  
 ##### 201908/20190817_03.md   [《PostgreSQL Oracle 兼容性之 Anonymization & Data Masking for PostgreSQL - 自动脱敏控制 - oracle data vault》](../201908/20190817_03.md)  

class/13.md

@@ -8,3 +8,12 @@
 ##### 201703/20170322_03.md   [《数据库三十六计 - PostgreSQL 三十六计(下)》](../201703/20170322_03.md)  
 ##### 201703/20170322_04.md   [《MySQL不适合去O(Oracle)的原因分析》](../201703/20170322_04.md)  
 ##### 201703/20170328_05.md   [《一张图读懂RDBMS的历史和基因》](../201703/20170328_05.md)  
+##### 201709/20170921_01.md   [《PostgreSQL 规格评估 - 微观、宏观、精准 多视角估算数据库性能(选型、做预算不求人)》](../201709/20170921_01.md)  
+##### 197001/20190214_01.md   [《企业数据库选型规则》](../197001/20190214_01.md)  
+##### 202003/20200322_01.md   [《为什么数据库选型和找对象一样重要》](../202003/20200322_01.md)  
+##### 202003/20200326_26.md   [《IoT 数据库选型》](../202003/20200326_26.md)  
+##### 202005/20200527_06.md   [《未来数据库方向》](../202005/20200527_06.md)    
+##### 202007/20200727_04.md   [《云、商业、开源数据库终局之战 - 商业角度解读PG如何破局 - openapi 、 扩展能力、插件开源协议》](../202007/20200727_04.md)    
+##### 202009/20200926_03.md   [《[直播]大话数据库终局之战》](../202009/20200926_03.md)      
+##### 202101/20210117_04.md   [《理性 - 企业CxO数据库选型应该回答清楚的 15 个问题》](../202101/20210117_04.md)  
+##### 202101/20210120_02.md   [《开源数据库全球化协作浪潮 思考 - 24问》](../202101/20210120_02.md)      

class/21.md

@@ -1 +1,52 @@
 # 3 监控
+##### 202011/20201127_03.md   [《半小时快速搭建PostgreSQL简易监控》](../202011/20201127_03.md)  
+##### 202010/20201010_01.md   [《PostgreSQL 14 preview 新增 replication slot 监控 - pg_stat_replication_slots》](../202010/20201010_01.md)  
+##### 202009/20200920_04.md   [《PostgreSQL pro - pg_stat_statements 扩展插件 pgpro_stats - 等待事件统计、采样配置、自动化监控metric配置等》](../202009/20200920_04.md)  
+##### 202009/20200911_02.md   [《PostgreSQL crunnchy 数据库图形化 可定制 监控工具 pgMonitor》](../202009/20200911_02.md)  
+##### 202008/20200814_03.md   [《通过file_fdw读取 Linux proc文件系统, 解析系统状态, 实现PostgreSQL 操作系统监控 - cpu,memory,network,filesystem,block dev等监控》](../202008/20200814_03.md)  
+##### 202007/20200709_02.md   [《PostgreSQL 操作系统监控插件 - system_stats - cpu,memory,network,filesystem,block dev等监控》](../202007/20200709_02.md)  
+##### 202005/20200527_02.md   [《PostgreSQL 监控插件 bg_mon - 内置 WEB 服务》](../202005/20200527_02.md)  
+##### 202005/20200527_01.md   [《zabbix postgresql 监控模块 libzbxpgsql》](../202005/20200527_01.md)  
+##### 202005/20200520_03.md   [《PostgreSQL 13在standby节点也能监控主从延迟 pg_stat_wal_receiver latest_end_lsn 源码解读》](../202005/20200520_03.md)  
+##### 202005/20200516_01.md   [《PostgreSQL 采用create concurrently index创建索引失败导致的invalid index监控和清理》](../202005/20200516_01.md)  
+##### 202004/20200410_01.md   [《PostgreSQL 13 支持wal insert统计框架 - wal activity monitor》](../202004/20200410_01.md)  
+##### 201912/20191206_01.md   [《PostgreSQL 12 减少日志量 - 监控探测: incomplete startup packet》](../201912/20191206_01.md)  
+##### 201905/20190520_01.md   [《powa4 PostreSQL Workload Analyzer - PostgreSQL监控工具、带WEB展示 - 索引推荐,等待事件分析,命中率,配置变更跟踪等》](../201905/20190520_01.md)  
+##### 201811/20181125_01.md   [《PostgreSQL bgwriter,walwriter,backend process 写磁盘的实时监控》](../201811/20181125_01.md)  
+##### 201810/20181001_03.md   [《PostgreSQL pgmetrics - 多版本、健康监控指标采集、报告》](../201810/20181001_03.md)  
+##### 201806/20180613_04.md   [《PostgreSQL 实时健康监控 大屏 - 低频指标 - 珍藏级》](../201806/20180613_04.md)  
+##### 201806/20180613_03.md   [《PostgreSQL 实时健康监控 大屏 - 高频指标(服务器) - 珍藏级》](../201806/20180613_03.md)  
+##### 201806/20180613_02.md   [《PostgreSQL 实时健康监控 大屏 - 高频指标 - 珍藏级》](../201806/20180613_02.md)  
+##### 201805/20180522_02.md   [《[未完待续] PostgreSQL 监控、诊断功能设计》](../201805/20180522_02.md)  
+##### 201804/20180420_01.md   [《[未完待续] PostgreSQL + timescaleDB + Prometheus 物联网时序数据监控组合》](../201804/20180420_01.md)  
+##### 201803/20180326_01.md   [《PostgreSQL 一主多从(多副本,强同步)简明手册 - 配置、压测、监控、切换、防脑裂、修复、0丢失 - 珍藏级》](../201803/20180326_01.md)  
+##### 201712/20171222_02.md   [《超时流式处理 - 没有消息流入的数据异常监控》](../201712/20171222_02.md)  
+##### 201712/20171208_03.md   [《PostgreSQL 业务数据质量 实时监控 实践》](../201712/20171208_03.md)  
+##### 201709/20170913_01.md   [《PostgreSQL、Greenplum 日常监控 和 维护任务 - 最佳实践》](../201709/20170913_01.md)  
+##### 201705/20170521_01.md   [《PostgreSQL 锁等待监控 珍藏级SQL - 谁堵塞了谁》](../201705/20170521_01.md)  
+##### 201704/20170409_03.md   [《Prometheus 监控平台》](../201704/20170409_03.md)  
+##### 201703/20170312_02.md   [《PostgreSQL 10.0 preview 功能增强 - 新增数十个IO等待事件监控》](../201703/20170312_02.md)  
+##### 201608/20160813_01.md   [《旋转门数据压缩算法在PostgreSQL中的实现 - 流式压缩在物联网、监控、传感器等场景的应用》](../201608/20160813_01.md)  
+##### 201603/20160324_02.md   [《PostgreSQL Greenplum crash 后临时表引发的BUG - 暨年龄监控的重要性》](../201603/20160324_02.md)  
+##### 201509/20150919_01.md   [《PostgreSQL数据库监控中的统计学 - 对象SIZE的数据分布图》](../201509/20150919_01.md)  
+##### 201402/20140227_01.md   [《PostgreSQL nagios monitor script (archive, vacuum, age, conn, rollback, standby, lock, xact, seq, index...)》](../201402/20140227_01.md)  
+##### 201311/20131120_02.md   [《Systemtap examples, Profiling - 4 Monitoring Polling Applications》](../201311/20131120_02.md)  
+##### 201311/20131119_03.md   [《Systemtap examples, DISK IO - 6 Monitoring Changes to File Attributes》](../201311/20131119_03.md)  
+##### 201311/20131119_02.md   [《Systemtap examples, DISK IO - 5 Monitoring Reads and Writes to a File》](../201311/20131119_02.md)  
+##### 201311/20131119_01.md   [《Systemtap examples, DISK IO - 4 I/O Monitoring (By Device)》](../201311/20131119_01.md)  
+##### 201311/20131114_05.md   [《Systemtap examples, Network - 5 Monitoring Network Packets Drops in Kernel》](../201311/20131114_05.md)  
+##### 201311/20131114_04.md   [《Systemtap examples, Network - 4 Monitoring TCP Packets》](../201311/20131114_04.md)  
+##### 201311/20131114_03.md   [《Systemtap examples, Network - 3 Monitoring Incoming TCP Connections》](../201311/20131114_03.md)  
+##### 201306/20130628_01.md   [《PostgreSQL 如何精确计算表膨胀(fsm,数据块layout讲解) - PostgreSQL table exactly bloat monitor use freespace map data》](../201306/20130628_01.md)  
+##### 201306/20130605_03.md   [《PostgreSQL monitor - customize nagios script》](../201306/20130605_03.md)  
+##### 201306/20130605_02.md   [《PostgreSQL monitor - check_postgres usage - 2》](../201306/20130605_02.md)  
+##### 201306/20130605_01.md   [《PostgreSQL monitor - check_postgres usage - 1》](../201306/20130605_01.md)  
+##### 201306/20130603_02.md   [《PostgreSQL monitor - nagios client installation》](../201306/20130603_02.md)  
+##### 201306/20130603_01.md   [《PostgreSQL monitor - nagios server installation》](../201306/20130603_01.md)  
+##### 201302/20130222_01.md   [《PostgreSQL CSVLOG monitor script for nagios》](../201302/20130222_01.md)  
+##### 201302/20130221_01.md   [《PostgreSQL LOCK WAITING monitor script for nagios》](../201302/20130221_01.md)  
+##### 201301/20130104_01.md   [《PostgreSQL partition table or inherits table predict count and gap and privilege monitor》](../201301/20130104_01.md)  
+##### 201204/20120422_01.md   [《使用PostgreSQL和nagios设计统一的应用监控接口》](../201204/20120422_01.md)  
+##### 201107/20110701_01.md   [《Use nagios monitor PostgreSQL archive status》](../201107/20110701_01.md)  
+##### 201105/20110511_01.md   [《PostgreSQL replication monitor》](../201105/20110511_01.md)  
+##### 197001/20190123_04.md   [《监测数据(动态监控) - 基于规则(拐点、爆点)动态调整监测粒度 - 动作、分析、可视化》](../197001/20190123_04.md)  

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@@ -1,6 +1,11 @@
 # 33 招聘与求职信息
 #### 所有和PostgreSQL,Greenplum有关的企业招聘或求职信息，欢迎发送邮件([email protected])或ISSUE给我。
 ![pic](../pic/digoal_weixin.jpg)    
+##### 202009/20200906_01.md   [《[商业智能-杭州正马软件 招聘]PostgreSQL DBA》](../202009/20200906_01.md)  
+##### 202009/20200904_02.md   [《[HelloBike 招聘]PostgreSQL DBA》](../202009/20200904_02.md)  
+##### 202003/20200305_01.md   [《[招聘] [外企、体育行业] [上海] 高级PG DBA》](../202003/20200305_01.md)  
+##### 202003/20200304_01.md   [《[招聘] [Airwallex] [上海、西安]高级PG DBA》](../202003/20200304_01.md)  
+##### 202002/20200218_01.md   [《[招聘] [阿里云] [北京、杭州、深圳]运营专家、高级产品专家、项目管理专家、文档写作专家、解决方案架构师、后端研发》](../202002/20200218_01.md)  
 ##### 201906/20190604_02.md   [《[招聘] [沃趣] 招聘PostgreSQL全栈工程师》](../201906/20190604_02.md)  
 ##### 201905/20190517_03.md   [《[招聘] [国家电网旗下 - 许继] 招聘PostgreSQL 数据库DBA》](../201905/20190517_03.md)  
 ##### 201905/20190517_02.md   [《[招聘] [阿里巴巴] 招聘PostgreSQL 数据库DBA》](../201905/20190517_02.md)