Errno 1782 on MySQL replication
I have 3 servers configured with multi-source replication (my replication topology). It worked fine for 2 weeks, but now I getting error on a slave (server C at image): Error executing row event:...
View ArticleMysqlfailover command - No slave is listed in health status
I have successfully created replication using GTID_MODE. It works perfectly. Now I need to setup automatic failover feature in it. I have run the following command. mysqlfailover...
View ArticleDifference between Sharding And Replication on MongoDB
I am just confuse about the Sharding and Replication that how they works..According to Definition Replication: A replica set in MongoDB is a group of mongod processes that maintain the same data set....
View ArticleSolrCloud index replication
I have prepared Solr index. Now I'm trying to replicate this index to all nodes in SolrCloud cluster. In master slave I did it without problems, when I defined ReplicationHandler with Master and Slaves...
View Articlemysql replication: slave is not getting data from master
here is my problem that all setup is done for mysql replication but the slave is unable to sync the master's data. to understand i am sharing link below please visit. mysql> SHOW SLAVE STATUS \G;...
View ArticleCRSF token and Session replication with Tomcat and Apache
I have an J2EE compliant web application. I use a session based token to append a secondary id to all incoming link generated by my application. To prevent my application against CSRF attack, I...
View ArticleSingle slave - multiple master MySQL replication
I need to replicate different MySQL databases from multiple servers into a single slave server. How can this be done? is there a way to define multiple master hosts?
View ArticleHow (if at all) does Galera enforce authentication for SST via rsync when...
I have to be missing something here. It just hit me as added a new node to my cluster in order to prepare for the removal of a different node: "How does the cluster know that it is okay to send the...
View ArticleHow to start mongoDB with replicaSet by config file on Ubuntu 14.04.4
Hi I've configured MongoDB with a replicaSet. If i run the command: sudo mongod --replSet "rs0" Everything works and the 3 replicas work, but if i run the command: sudo mongod --config...
View ArticleInformix CDC API errors
I am getting errors while trying to run Informix CDC api. I copied the code https://www.ibm.com/support/knowledgecenter/SSGU8G_11.50.0/com.ibm.cdc.doc/ids_cdc_060.htm into cdcapi_INFORMIX.ec Ran as...
View ArticleNeed help with Master Slave Replication
I want to set up a Master-Slave Replication. Therefore I followed the MySQL manual. Once I was I wanted to test it. I've let me show the slave status with was as following; Slave_IO_State: Waiting for...
View ArticleMysql 5.6 replication works even if I block 3306 for slave in master's ufw...
I'm trying to write a bash script to monitor simple master-slave replication with 5.6.33 and send email and log messages when anything goes wrong. I want to test scenarios where replication fails and...
View ArticleMongoDB replica set - copyDatabase with readPreference?
From the docs on Connection String URI Syntax with respect to replica sets we have: The following connects to a replica set with three members and distributes reads to the secondaries:...
View ArticleHow to track which data block is in which data node in hadoop?
If a data block is replicated, in which data node will it be replicated to? Is there any tool to show where the replicated blocks are present?
View ArticleHow to switch Quiescing to Normal Mode in Oracle?
I have two instance database Oracle, they are ORCL11 and ORCL10,.... I've configured them, it looks like correct. Then, I connect to replication user admin ORCL10 conn repadmin/repadmin@orcl10 And run...
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Masters database not replicating on slave after restarting client
I'm trying to implement master slave replication and It's works fine with no errors, database is replicated on slave, but when I close my servers and open them again and add something in masters...
View ArticleInfinite recursion error - how to solve?
Still new to R so trying to practice working with functions, I have created some (probably quite inefficient) code which I will look at modifying later, currently it returns the result I need but I...
View ArticleBidirectional Replication Push and Pull with SQL Server
Please bear with me, I'm a developer working with a client without access to a strong DBA. I have a question about bi-directional replication with the following setup and requirements: MSSQL Server...
View ArticleSQL Server 2016 replication between Windows 10 and Windows Server 2012
I've been asked to set up SQL Server 2016 replication between a development PC running Windows 10 Home and Windows Server 2012 R2. Both run developer versions of SQL Server 2016. I have found this...
View ArticleSQL to SQL data replication
I have a 300 GB MSSQL 2016 production database on a server and i will need to make a copy of this database on another server for reporting purposes. On the production database, there are normal...
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