what happens if i set the replication factor to 3 on a pseudo distributes...
I tried changing the replication to 3 and I can see the replication is changed to 3 for the file I loaded into hdfs,but I cannot see the other 2 copies.Could someone answer what happens in this scenario.
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 ArticleMySQL - Is it good to have millions of tables in a single database?
I have designed new MySQL database for my project, In my project I need to create tables dynamically with dynamic columns. So I want to know is their any impact on database performance if I have...
View ArticleInstall galera cluster without remove existing mariadb
I have to setup Galera cluster in one of my production servers. OS: Ubuntu 14.04 Existing mysql: maridb 10.1 While installing this cluster, its asking to remove the existing mariadb-server-10.1 How...
View ArticleInstall galera cluster without remove existing mariadb
I have to setup Galera cluster in one of my production servers. OS: Ubuntu 14.04 Existing mysql: maridb 10.0 While installing this cluster, its asking to remove the existing mariadb-server-10.1 How...
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 ArticleSync of Master Master replication when Primary node comes up MySQL 5.7...
I have a Master (say Node A) - Master (Say Node B) asynchronous replication setup with ROW based logging method. Node A has been setup as Write/Read node and Node B has been setup as Read Node Only....
View ArticleFrom SQL Server 2008 to Azure SQL Database (PaaS)
we have a database in SQL Server 2008. Database is compatibility level 2005. Tables don't have Primary keys. We need to make a copy of it as Azure SQL Database (PaaS). PaaS copy needs to be available...
View ArticleSync two database first on server second on my pc [on hold]
I have a database on a server and database on my PC. They two databases are the same version (SQL Server 2014) and the same design. I want make any changes in any database on either side to replicate...
View ArticleThe concurrent snapshot for publication 'xx' is not available because it has...
I am having all sorts of trouble getting SQL Server (2005) to work properly. When I run the client (SQL Server Express 2005) I get the following error "The concurrent snapshot for publication 'xx' is...
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Log Reader Agent is not running - The job failed
I created a transactional replication on PRE-PROD (via TSQL) and everything works as expected. On PROD platform replication is not working. While inspecting Replication monitor, I get this error...
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Stale monitoring errors?
After setting a cluster with 3 shards, 3 config server with 2 mongos. I see these errors in the monitoring agents Failure during discovery. What do they mean I tried to see it on the internet but no...
View Articlereplication stored procedure [on hold]
Basically i liked the output you showed me before, i would like it captured in a table, say hourly, and then at the end of the stored proc, we can add quick logic to say if: the # of undistributed cmd...
View ArticleError in skipping command in transactional replication in MSSQL 2012
My transactional replication is failing continuously. I am trying to skip the command but not able to do that. Below are the steps which I performed. 1) use distribution select * from MSrepl_commands...
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Why my transaction has not been replicated? What was the transaction sequence...
I have been troubleshooting a replication problem, according to the picture below: with reference to the picture above, the bit that says Sessions of the distribution agent I can get using the...
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Where to find documentation about the log reader procedures?
From the replication monitor in sql server transactional replication, when I have a look at what has been replicated, from publisher to the distributor, I get the following picture: It does not show...
View ArticleP2P replication SQLServer 2012 situation
I am new to P2P replication. We have peer to peer replication in SQLServer2012. One of the DC is out of country(Say DC-A). For a new client, we have to keep data within our country only. So data cannot...
View Articlereplication from MySQL 5.1.73 to MariaDB 10.1.22 - Duplicate Entry issues
We are upgrading webservers and are trying to do the migration without downtime. We're currently running MySQL 5.1.73 as a master and the new server (slave) is MariaDB 10.1.22 We have temporary tables...
View ArticleMysql thinks Master & Slave have the same server-id
I've been setting up a master->slave_a->slave_b relationship and having a little trouble. I currently have the master->slave_a replication working fine. Each of the two slaves have exactly...
View ArticleMySQL multi-source replication with identical DB names
How can I set up a multi-source master/slave relation with masters having the same database names? I am using the MySQL labs 5.7.2 release with multi-source replication. One of the use cases for...
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