os: centos 7.6.1810db: hbase2.3.xhadoop 2.10.xzookeeper 3.6jdk1.8NoNode for /hbase/master[hbase@hb1 conf]$ hbase shellSLF4J: Class path contains multiple SLF4J bindings.SLF4J: Found binding in [jar:fi

【代码】plpgsql 的 for 循环使用。

oracle 用户含有特殊字符，使用 sqlplus时这样登录。

os: centos7.4redis:5.0.5redis.confbind 127.0.0.1protected-mode yesport 6379tcp-backlog 511timeout 0tcp-keepalive 300daemonize nosupervised nopidfile /var/run/redis_6379.pidloglevel notice...

os: ubuntu 16.04redis:3.2.11ruby:2.3.1redis cluster 3.2 在 set 时提示 (error) CLUSTERDOWN The cluster is down.# redis-cli -c -h 192.168.56.92 -p 7000192.168.56.92:7000> cluster nodes03c405d63a19b...

os: centos 7.4db: mysql 8.0.19192.168.56.60 node1 # master192.168.56.61 node2 # slave版本[root@node2 ~]# cat /etc/centos-releaseCentOS Linux release 7.4.1708 (Core)[root@node2 ~]# mysqlWelcom...

Classic CaptureIntegrated Capture通过 database logmining server 完成数据的提取参考:https://docs.oracle.com/goldengate/c1221/gg-winux/GIORA/choosing-capture-and-apply-modes.htm#GIORA209

os: centos 7.4db: postgresql 11.5db: oracle 11.2.0.4 instantclient下载 oracle 11g instantclientnodepg11 节点需要安装 oracle 11g instantclient，下载地址https://www.oracle.com/database/technologies/instant-clie...

os: centos 7.4db: postgresql 12.2postgresql 12 的分区表已经比较完善。版本# cat /etc/centos-releaseCentOS Linux release 7.4.1708 (Core)## su - postgresLast login: Thu Mar 19 14:47:45 CST 2020 on pts/0$...

os: centos 7.4db: postgresql 10.10postgresql 查看 pg_stat_activity 有时会看到 autovacuum：VACUUM xxoo.xxoo(to prevent wraparound) ,这个其实是预防事务ID会卷，原因是 postgresql 采用 32bit 事务id。版本# cat /etc/centos-releaseCe...