master-slave database 主从数据库
And some servers aren't necessary anymore as EBS handles backups so database slave servers are no longer required.
除此以外,有些服务器也不再需要了,因为EBS会处理备份,因此也无需数据库同步服务器了。
Changes to the NIS database are propagated to slave servers whenever a change is made, or manually, by using the yppush command.
只要进行了更改,对NIS数据库的更改将传播到从服务器,或通过使用yppush命令以手动方式传播。
The cause of this ended up being a surprising one - by enabling master/slave replication on our database server, the version of Jive which currently use was losing comments.
最终我们吃惊的发现,造成这一结果的原因是由于我们激活了数据库服务器的主/从复制功能,但 Jive论坛目前使用的数据版本仍然是没有评论的。
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