启乘数科技联合创始人，PostgreSQL中国用户会常委。 从业近20年，拥有20年数据库、操作系统、存储领 域的工作经验，历任过阿里巴巴高级数据库专家、 网易研究院开发专家，从事过阿里巴巴Greenplum、 PostgreSQL、 MySQL数据库的架构设计和运维。 既熟悉数据库的，是最早的Oracle 9i的OCP，又懂开 发，精通C、python。 唐成（网名osdba）-3- @

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1542 12 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1719 14 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1805 14 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1669 12 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1658 12 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1790 12 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1849 12 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1062 13 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 13 Database error handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can define very flexible problem thresholds, called triggers, referencing values from the backend database Highly configurable alerting • sending notifications can be customized for the escalation schedule stored in a database • configurable history • built-in housekeeping procedure Easy configuration • add monitored devices as hosts • hosts are picked up for monitoring, once in the database • apply templates