Is it safe to begin replicating a slave from an old binary log file?
I'm pretty sure the answer is "yes", but I'd like to be certain. I have an environment with one MySQL master and several replication slaves. I want to add a new slave. Last night I took one of the...
View ArticleSQL Server distributor server move
I need to move my distributor server to a brand new server without resnapshotting it. The scenario I have is similar to the one defined in below link....
View ArticleReplication/log shipping to a standby site [on hold]
I need to replicate a SQL Server database on my standby site. Regarding Log Shipping, I have the following concerns: Is there any data type or primary key dependency exists if I use log shipping? Why I...
View ArticleSnapshot not picking up new articles in SQL Server 2012 transaction...
I am trying to add new articles to an existing publication in SQL Server 2012. I am adding the article to the publication with the syntax --add the table into the correct publication sp_addarticle...
View ArticleHow to generate replication snapshot without locking tables
When I reinitialize subscription and generate new snapshot it locks all tables and makes the database unusable for a very long time (never waited it out). Is there anyway to do this without locking?
View ArticleHow to make the primary in the replica set to become unavailable in order to...
I created a replica set with three members. now I read the following link: Replica Set Elections which explains only in an abstract way what is going on. So they say that when the primary becomes...
View ArticleAdding a replica in MongoDB throws an error
I'm trying to add a node to a replica set using rs.add("developer-ViratualBox:30103") and I'm getting the following error message: { "ok" : 0, "errmsg" : "Quorum check failed because not enough voting...
View ArticleAvailability Groups and Transactional Replication
My client has a setup as shown below. AG Group A ---------> Server A (DB--> A) ----> Server B ( DB--> A) Transactional Rep --> Server A ( DB-->A ) ---> Server C ( DB--> B) AG...
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Why pure insert operation in master result in update and read operation in...
I use multi threads to do pure insert operation in master(mysql 5.7),then I use orzdba to observer the mysql status as following picture: but when I observe in slave(mysql 5.7) ,I found though the...
View ArticleHow to solve "Could not execute Update_rows event on table mega.topics;...
Recently I set up master->slave replication on my server. Today I saw the error in replication status: "Could not execute Update_rows event on table mega.topics; Can't find record in 'topics',...
View Articlereplication error
I am getting error for connect to master (mysql 5.1) from slave (mysql5.7) Slave I/O for channel '': error connecting to master 'replica@hostname' - retry-time: 60 retries: 6, Error_code: 2027 Please...
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Replication management in runtime [on hold]
how to use vb6.0 to manage my sql server 2008 replications for : starting snapshot replication get merge replication status thank you
View ArticleRunning pt-table-checksum with replicate-do-db option on
I've read the documentation on percona page, but still a bit confused, especially about the --replicate option. My setting is that the slave is only replicating certain databases from master, say db1...
View ArticleHow to release with RDS replication
I have a shopping website needs to do function update time to time. I want to shorten the influence time on the website when it's doing release. (Note: application is tomcat service set on a EC2...
View ArticleMysql hung at 41% CPU Usage
We are using 3 servers. Master Server1 syncs data to Server2 & Server3. Server1 -- Debian -- MySQL 5.5.40 Server2 -- CentOS 6.6 -- MySQL 5.5.45 Server3 -- CentOS 6.6 -- MySQL 5.5.43 All 3 servers...
View ArticleReplicating redis foreign table via postgresql synchronous replication
I have synchronous replication between db server, DB1 and DB2. Tested, working. I have a redis server (RD1), integrated with DB1 (master) via redis_fdw, no issues here. I was expecting foreign redis...
View ArticlePostgresql replication: using 2 BDR with/and 2*n UDR or pglogical (some kind...
I plan to run a replicated Postgresql over multiple sites. There should be two servers on every site. At the main site they should run in BDR mode. And between the sites (to the other servers) I need...
View ArticleReplication vs extracting just the data we need?
I recently did a project with a developer who wrote a desktop app. This is used by a few businesses, and each business has their own database installed locally. The app does not use any Internet...
View ArticleMulti master single slave replication mysql
I have a scenario in which there are two masters master 1 and master 2 and i want to add slave to master 2 , so when i update in master 1 it will replicate for master 2 so how do i get slave of master...
View ArticleIs there a way to create a MySQL/Percona Slave without using a dump?
I haven't been able to find anything so I'm sure the answer is no, what are you, a noob? but I feel the need to ask anyway :) Is there a simple utility that would allow a new slave server to be brought...
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