failover_command = '/pgpool/etc/failover_stream.sh' use_watchdog = on #启用watchdog wd_hostname = '10pg2' wd_port = 9000 wd_priority = 1 ##表示watchdog的优先级,级别越高则被选为主节点,一主一从设置一样 delegate_IP = '192.168.10.61' #设置的VIP if_cmd_path = '/sbin' if_up_c...
配置主备模式的主要修改点(192.168.1.102) vi pgpool.conf#允许远程访问listen_addresses = '*'#访问端口port = 9999#主节点配置backend_hostname0 = '192.168.1.101'backend_port0 = 5432backend_weight0 = 1backend_data_directory0 = '/var/lib/pgsql/9.6/data/'backend_flag0 = 'ALLOW_TO_FAILOVER'#...
wal2json - 将 WAL 变更集转换为 JSON 格式。 pg_output - 标准解码插件。 pg_output可能是最受欢迎的。它用于最知名和最成熟的工具Debezium。它也用于Npgsql,.NET Postgres 数据提供程序。我们将使用它来展示实践中的逻辑复制。 .NET 逻辑复制示例 假设我们使用的是上述发布表的简化版本: CREATE TABLE outbox (...
./configure --prefix=/pgpool --with-pgsql=/pgpool/ make make install 安装生成的配置文件在/pgpool/ 目录下。 注意如果提示: configure: error: libpq is not installed or libpq is old 如果配置了环境变量(PATH,PGHOME,PGDATA)还是出现以上错误,建议使用 ./configure --prefix=/pgpool make make install...
./configure --prefix=/pgpool --with-pgsql=/pgpool/ make make install 安装生成的配置文件在/pgpool/ 目录下。 注意如果提示: configure: error: libpq is not installed or libpq is old 如果配置了环境变量(PATH,PGHOME,PGDATA)还是出现以上错误,建议使用 ...
Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch - postgres/src/backend/replication/pgoutput/pg
archive_timeout,10min,如果N秒内没有启动新文件,则强制切换到下一个WAL文件。 array_nulls,on,启用数组中空元素的输入 authentication_timeout,1min,设置完成客户端身份验证所允许的最长时间 autovacuum,on,启动自动真空子流程 autovacuum_analyze_scale_factor,0.1,在分析之前插入、更新或删除元组的次数,作为重新元组...
PostgreSQL是一种开源的关系型数据库管理系统,也被简称为Postgres。它具有可扩展性、稳定性和安全性等优势,被广泛应用于各种规模的应用程序和企业级系统。 解析Postgres上的值意味着对存储在PostgreSQL数据库中的数据进行解析和处理。这可以包括以下方面: 数据类型解析:PostgreSQL支持多种数据类型,包括整数、浮点数、字符串...
“It's a big project, and it's hard work to find a pathway that gives incremental benefits through digestible improvements. Each piece has got to make sense on its own. The new stream abstraction already enables I/O combining and advice-based prefetching in 17 as of the...
Using pg-query-stream with query_timeout set, timeout timer doesn't get released #3219 openedMay 17, 2024byiantocristian 2 Doesn't work with next.js Edge runtime #3206 openedMay 2, 2024byetodanik 30 Sample Error Event Handling Documentation Does Not Work ...