How do I completely disable MySQL replication
I am running dual master MySQL replication and now want to move to a single database with no replication. How do I completely disable replication on both databases?
View ArticleWrite-lock a whole table during transaction
I need to perform a delicate operation to my table in which I will solely insert, delete and select upon all of my rows and no God may interfere with the table during this operation: the table will be...
View ArticleMySQL - Enabling Scheduled Event on Master and Slave Simultaneously
This may seem a bit strange, but I am trying to get a Scheduled Event to execute on both Master and Slave. I have two databases set up in a Master (A) to Master (B) replication environment. Master A is...
View ArticleMongoDB unrecoverable replication error
One of member of my MongoDB replica set decided it would not restart, with the following error (reformatted for readability): Starting rollback due to OplogStartMissing: our last op time fetched:...
View ArticleSOLR core version mismatch
I seem to have discovered something unusual about the SOLR master/slave replication and the core version numbers. We have a simple 1 master 1 slave replication setup with multiple cores. We have a...
View ArticleRavenDB - Load Balance and Replication
I'm using RavenDB with following setting: FailoverBehavior = FailoverBehavior.ReadFromAllServers | FailoverBehavior.AllowReadsFromSecondariesAndWritesToSecondaries I'm also using two RavenDB servers...
View ArticleMYSQL - Fatal error 1236
Im a beginner getting started with MYSQL replication. I have a very basic test environment with 2 MYSQL servers setup as master to master status (Ubuntu16-1, Ubuntu16-2). After some time I rebooted...
View ArticleMySQL Master-Master replication/ nodes synchronization
I have 4 nodes(hosted on 2 servers) and I did a ring replication between them. So my question is: when one of these nodes went down (assume node2) then I edit my database (for example: create table)...
View ArticleMongoDB 3.4 - How to add config servers to a mongos
I'm editting the config file of a mongos. And I have a replicaSet of n config servers. To balance the load among all of them, I have to write all config servers in the config file, or it's enough to...
View ArticleReplication error from Mariadb 10.1 to Mysql 5.1/5.0/5/5 when master's...
While replicating from Mariadb 10.1 to Mysql(5.0,5.1,5.5) or Mariadb(5.2,5.5) lower versions , if master's binlog_format is set to row , the replication failure occurs with the following message at...
View ArticleDRBD /MySQL replication [on hold]
Can I configure a DRBD for 4 nodes or more to do the replication (Master-Master) between them?
View ArticleHow to connect to Mysql proxy?
I want to use MySQL proxy for read/write splitting and load balancing for the Master/Slave replications. I installed MySQL Proxy in one of the servers. I can login using admin-username and...
View ArticleConfig Servers on sharding set
Why cannot I configure replication set for a config machine in a sharding set, i am getting this error when do it. BadValue replication should not be enabled on a config server
View ArticleMongoDB can't add new replica set member [rsSync] SEVERE: Got signal: 6
I have a replica set and I added a new member to the set. The initialSync begins for the new member and rs.status (on primary) shows STARTUP2 as status. However, after a long enough time, there's a...
View ArticleNew Master-Master replication has stopped working
We're building a new MySQL server pair for high availability, and of course it's not like managing a single server. We're working with Ubuntu 14.04 LTS and MySQL 5.5.43 I had master-master replication...
View ArticleMySQL Error wth Relay logs - Could not open relay logs file for logging
We are receiving the following error. 2016-03-08 15:32:09 1184 [ERROR] MYSQL_BIN_LOG::move_crash_safe_index_file_to_index_file failed to move crash_safe_index_file to index file. 2016-03-08 15:32:09...
View ArticleHow to measure or estimate the streaming replication lag in Postgres 9.2
I've been asked to reverse engineer an app that uses postgresql in the back end. I can see that there is some database replica tion going on... based on my reading, I *think it's called streaming...
View ArticleClik here to view.
Replication not working
I configured master slave replication and it worked fine however it stops working after 5 min or so! Although slave status show that replication is fine, however whatever I insert in master isn't...
View ArticleWhich error codes are safe for `slave_skip_errors` with MySQL Innodb
Does anyone know which error codes are safe to ignore during replication, meaning the slave will remain consistent with the master? For example [mysqld]...
View ArticleSQL equivalent to CouchDB for 2 way replication
Are there any SQL server variants (i.e MySQL, Postgresql etc) that handle replication as well as couch db does and offers client side replication (2 way)? I'm in the early stages of my app which is...
View Article