Database cluster and load balancing - Stack Overflow
2009年7月22日 · Database clustering is a bit of an ambiguous term, some vendors consider a cluster having two or more servers share the same storage, some others call a cluster a set of replicated servers. Replication defines the method by which a set of servers remain synchronized without having to share the storage being able to be geographically disperse ...
database - How does DB clustering work? - Stack Overflow
2013年4月16日 · The cluster is useful configuration in as much as the active node goes down the passive is immediately switched hence no downtime. The clustering continuously synchronises the 2 nodes in the cluster. I work with SQL server but I think the basic premise of clustering is the same for mySQL - that is no (or no noticeable) downtime on hardware failure.
What is a cluster in a RDBMS? - Stack Overflow
2012年1月18日 · In database context it can have two completely different meanings: may either mean data clustering or index clustering, which is grouping of similar rows. This is useful for data mining, some databases (e.g. Oracle) also use it to optimize physical data organization; or cluster as database running on many closely linked servers.
What's a PostgreSQL "Cluster" and how do I create one?
A PostgreSQL database "cluster" is a postmaster and a group of subsiduary processes, all managing a shared data directory that contains one or more databases. The term "cluster" in PostgreSQL is a historical quirk * , and is completely different to the general meaning of "compute cluster" , which normally refers to groups of computers that work ...
postgres installation the database cluster initialization failed ...
2015年9月8日 · Now once database cluster is initialized then you can start the server by using pg_ctl utility present inside bin folder of PostgreSql\12. pg_ctl start -D "D:\PostgreSql\12\data" Or you can also register it as a windows service and you can set it to automatic. pg_ctl register -N PostgreSql-12.3.1 -D "D:\PostgreSql\12\data"
amazon web services - What's the difference between Cluster and ...
2018年4月6日 · Database Cluster is the name of the cluster that holds the instances; Database Instances are the names of each instance in the cluster. By default, if you named the instances "mydb", AWS will append the AZ to the name. So it would become "mydb-us-east-1c" for example. Database Name is the name of the initial database that will be created within ...
Initdb - Initialize a new database cluster has stopped working …
2020年10月8日 · Installation may not complete correctly The database cluster initialisation failed. I think the one below doesn't matter but still mentioning. Could not find registry key HKEY_LOCAL_MACHINE\SOFTWARE\PostgreSQL\Installations\postgresql-x64-11 …
PostgreSql "running post install step…the Database Cluster ...
Now once database cluster is initialized then you can start the server by using pg_ctl utility present inside bin folder of PostgreSql\12. pg_ctl start -D "D:\PostgreSql\12\data" Or you can also register it as a windows service and you can set it to automatic as administrator (you need to restart your PC after that):
AWS CDK : snapshot restore an existing RDS Aurora database …
2022年1月21日 · The cluster was created using the AWS CDK rds.DatabaseCluster construct. The CDK version is 1.139.0 using Typescript and the db cluster is 11.9. For an existing cluster created with rds.DatabaseCluster there doesn't appear to be a way to specify a snapshot should you wish to trigger a snapshot restore of the cluster through CDK.
Getting Database cluster error while installing PostgreSql 12 on ...
2020年4月8日 · postgres installation the database cluster initialization failed ( Postgresql Version 9.4.4 ) 2 PostgreSQL Installation on Windows 8.1 - database cluster initialisation failed