# These settings are ignored on a master server. #hot_standby = on # "off" disallows queries during recovery # (change requires restart) 1. 2. 3. 4. 5. 6. hot_standby:是否开启热备份 # - Where to Log - #log_destination = 'stderr' # Valid values are combinations of # stderr, ...
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logging_collector=onlog_directory='log'# directory where log files are written,# can be absolute or relative to PGDATA 日志切换和是否覆盖一般可以使用如下几种不同的方案。 方案一:每天生成一个新的日志文件 log_filename='postgresql-%Y-%m-%d_%H%M%S.log'log_truncate_on_rotation=offlog_...
调用它时，Lambda将等待事件循环为空，然后将响应或错误返回给调用方。响应对象必须与JSON.stringify兼容。
1、查看mysql的慢查询日志是否开启 show variables like ‘%query%’; 可以看到slow_query_log的值是OFF,也就是mysql默认是不启用慢查询日志的。...这里还有个long_query_time,默认是10秒,也就是超过了10秒即为慢查询。...log_queries_not_using_indexes,如果设置为ON,则会将所有没有使用索引的查询都记录为...
log_lock_waits=on deadlock_timeout=1 还有一些Debug功能,适合修改源码调试,一般的的系统上并不需要,暂时比较关注的就这些。 5.可以在表上设置触发器,来审计 6.可以使用插件pg_log_userqueries来做,没有必要 【注意事项】 1. 超级用户可以修改这些配置项, 所以被审计的用户最好是普通用户. 否则用户连上来可...
Log FormatTo view Heroku Postgres metrics logs on a specific app, use the process type -p heroku-postgres flag and the app name.$ heroku logs -p heroku-postgres -a example-app For example, the Heroku Postgres metrics logs can look like:...
Some Postgres queries run by Jira take a long time and hit a socket timeout. A common scenario is the custom field analyzer which runs a heavy query that may legitimately take a long time to execute. Diagnosis The following exception is logged to atlassian-jira.log: ...
Both keys are in the range of zero to one million, so range queries on them will have similar numbers of return values. Now we measure some baseline timings with larger and larger result sets. EXPLAIN ANALYZE SELECT Sum(value) FROM test WHERE random between 0.0 and 100.0; EXPLAIN ANALYZE ...
ECHO 如果置为 all, 输入的或者来自键盘或者一个脚本的所有行在分析或执行前都写到标准输出。 要在程序启动时声明这些,使用 -a如果设置为 queries, psql 只是在查询发送给服务器之前打印出来。 实现这个功能的命令行选项是 -e。 ECHO_HIDDEN 当设置了这个变量并且一个反斜杠命令查询数据库时,首先显示查询。 这样...