Load-balancing PostgreSQL queries using two different Spring datasources
We're attempting to set up a PostgreSQL cluster using streaming replication inside Kubernetes, but we'd prefer to avoid the trouble of going through the configuration of pgpool or any other SQL-aware...
View ArticleError while doing in replicaset in windows (mongodb)
I tried doing the replicatset in windows, but im getting the below error. I checked the mongo process and killed the existing process. Even though the error exists. help me on this pls Thx commands...
View ArticleMSSQL - replication and Violation of PK constraint
I've setup a transactional replication and allowed initialize from backup due to bandwidth restraints (so no snapshots generated). Now we get this error on the Publication database, when the...
View ArticleHow can I create a folder dynamically during replication?
While doing replication I received the following error message in Replication monitor → Agents Access to the path 'D:\Program Files\Microsoft SQL...
View ArticleMS SQL Server Transactional Replication
I have set multiple transactional replications through one distributor servere. Now when I setting more replications their is a mark in replication monitor "performance critical" on the new...
View ArticleWill this force a reinitialize in Merge Replication Topology?
I need to add a couple of columns to a table that is a part of a replication set. It is not a constraint column or a part of any article filters and it allows NULL. I have a pretty good idea that I...
View ArticleSQL Server transaction replication agent error
We are running transaction replication on SQL Server 2008 R2 SP3. Distribution agents are reporting : "Agent is retrying after an error. 3 retries attempted" every 10 minutes. Tried changing the query...
View ArticleDocument Store & Relational DB Hybrid. Exists? Possible?
Does anyone know of any product or open source project that attempts to strap together Mongo DB and MySQL for instance? I hear a lot about how relational DBs being ACID compliant makes it nearly...
View ArticleRestoring a replicated SQL Server database in a non-replicated testing...
We have a SQL Server 2008R2 database in production. Originally, the database didn't have replication. Every time there was some problem with our software, we'd just create a backup from the production...
View ArticleUsing non-replicated read/write databases on a MySQL slave server
I have a MySQL slave server that has two databases being replicated from a master. What I'd like to do is add a third database that I will exclude from replication and use as a read/write database....
View ArticleWhen do I have to use archive_command and when not
I have some doubts about PostgreSQL replication command. I am doing some research and I found severals configurations. first one is: archive_mode = on archive_command = 'cd .' second one is : cp -i %p...
View Articlereplication filtering replicate-rewrite and do-table Mysql 5.6 (innodb engine )
I have a master/slave replication setup based on statement based replication. On master database named DB1, I have 5 tables and I want to replicate only two table on slave's database named DB2. Also,...
View ArticleReplication compatibility between minor MySQL versions
I have a dedicated server running MySQL 5.7, installed using MySQL's Yum repository. Yum always installs the latest version, which is MySQL 5.7.11 at the time of this writing. I want to replicate this...
View Articleis it possible to alter the primary key of a table (from non clustered to...
I have a table that has an clustered unique index and a non clustered primary key with the same structure as the index. IF OBJECT_ID('[dbo].[tblBAccountHolder]') IS NOT NULL DROP TABLE...
View ArticleCannot find "a server that matches PrimaryServerSelector" in a...
I got the following error while trying to write in a sharded/replicated configuration of mongodb. com.mongodb.MongoTimeoutException: Timed out after 30000 ms while waiting for a server that matches...
View ArticleSwitching mySQL replication MASTER to SLAVE and SLAVE to MASTER
I use two mySQL 5.5 databases synced the one on the other but I'd like to exchange their role in order to they behave this way: MASTER becomes SLAVE SLAVE becomes MASTER I looked for some...
View Articleboost::asio and short messages: low latency how to make it?
Part of master-slave replication protocol: Master sends append data to slaves After got reply from slaves, Master needs to send COMMIT to slaves and wait for commit done boost::asio is tried for #2...
View ArticleMySQL daisy chain replication with different replication binlog_formats
This is very unconventional and not normally recommended but I need to know if this is possible so here it goes. I have two mysql clusters each with a primary and standby setup. Cluster A replicates to...
View ArticleUnable to delete a SQL Server 2012 publication
I've set up a transactional replication for two databases, let's call them A & B. Replication for the database A worked just fine and I was able to delete it afterwards without any issues....
View ArticlePrimary and standby server at different timelines in postgres
I am very new to postgres and being new I got stuck at a point and need some help, please pardon if you find it silly. I am doing a pgpool HA and at postgres level i have streaming replication between...
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