原创 extrabackup --backup 報錯 failed: Authentication plugin caching_sha2_password cannot be loaded
os: centos 7.4.1708 db: mysql 8.0.20 版本 # cat /etc/centos-release CentOS Linux release 7.4.1708 (Core) # # # yum
原创 percona xtrabackup 之三 restore、recovery
os: centos 7.4.1708 db: mysql 8.0.20 –prepare The --prepare step makes the files perfectly consistent at a single i
原创 percona xtrabackup 之二 backup
os: centos 7.4.1708 db: mysql 8.0.20 全量備份 # xtrabackup --backup --datadir=/var/lib/mysql/ --target-dir=/backup/back
原创 Scheduler/Prereleaser Manager in System Hold, Fix Manager before resetting counters Status
Scheduler/Prereleaser Manager in System Hold, Fix Manager before resetting counters Status After Restarting EBS (Do
原创 ERROR: functions in index expression must be marked IMMUTABLE
os: centos 7.4.1708 db: postgresql 11.8 版本 # cat /etc/centos-release CentOS Linux release 7.4.1708 (Core) # # #
原创 hexdump -C
os: centos 7.4.1708 db: postgresql 10.11 版本 # cat /etc/centos-release CentOS Linux release 7.4.1708 (Core) # # #
原创 postgresql multi-master 系列 Rubyrep 之一 setup
Development of an open-source solution for asynchronous, master-master replication of relational databases that is
原创 PGCluster 之一 setup
PGCluster is a multi-master and synchronous replication tool of PostgreSQL based on shared-nothing architecture, de
原创 postgresql multi-master 系列 Rubyrep 之二 測試1
192.168.56.111 n1 192.168.56.112 n2 n1、n2 節點都已經安裝了 rubyrep 。 Rubyrep 要求每個表都要有主鍵(primary key)。 版本 # cat /etc/cen
原创 GridSQL 之一 setup
GridSQL is an open source shared-nothing clustered database system for data warehousing designed for PostgreSQL. Gr
原创 Slony-I 之二 1 master 節點 + 1目標節點
os: centos 7.4.1708 db: postgresql 11.8 Slony-I: 2.2.8 192.168.56.111 n1 192.168.56.112 n2 192.168.56.113 n3 這
原创 Slony-I 之三 1 master 節點 + 1目標節點 , 再添加1個目標節點
os: centos 7.4.1708 db: postgresql 11.8 Slony-I: 2.2.8 192.168.56.111 n1 192.168.56.112 n2 192.168.56.113 n3 這
原创 opp 的設置
現象,所有打印請求無法運行 輸出提交處理程序 FNDCPOPP $ ps -fu applprod| grep -i opp applprod 10505 28012 6 08:53 ? 00:03:2
原创 postgresql multi master replication
https://www.percona.com/blog/2020/06/09/multi-master-replication-solutions-for-postgresql/
原创 Slony-I 之一 setup
os: centos 7.4.1708 db: postgresql 11.8 Slony-I: 2.2.8 Slony-I is a “master to multiple slaves” replication system