Mysql Percona 5.6 slave lags gradually
I have got into slave lag gradually say every minute it lags around 5secs on slave. So it started morning 10AM the Seconds_behind_master was 13. Now at 4:30 PM it has reached to 560. No variable...
View ArticleHow can we Go through with all tables in database and checks whether it is...
What is best way to check through all tables in database and record count check whether it is distributed or replicated. we can write store Proc. but base on what I'm new to SQL
View ArticleComplex filter for SQL Server Merge Replication
We have a table in an SQL Server 2012 database that stores tree-like structures. Simplified for the purpose of my question, it has the following format: Id int identity, ParentId int, GroupId int Each...
View ArticleSyncing files between Windows Server 2012 R2 with caveats
I'm hoping someone can point me in the right direction. Scenario: I have two servers running ESXi 5.5 with one virtual machine on each host running Windows Server 2012 R2. I want to use the 2nd VM for...
View ArticleMongoDB user account required for arbiter?
I have a test environment with two mongo v2.6.5 instances (#1, #2) and an arbiter instance in a replica set. I have a a common key file configured for all three instances. I have created an admin...
View Articlepostgresql streaming replication -- continuous archiving?
im trying to set up streaming replication, but for some reason when i update the database on the master, the changes are not reflected on the standby server UNTIL i restart the postgresql service on...
View ArticleMYSQL 5.6 replication occasional Lag
We use Mixed replication in RDS mysql 5.6 and we are noticing replication lag every few minutes or so, the lag appears momentarily and then disappears. On slaves when we do show processlist we saw...
View ArticleTransactional replication vs Master readonly slave
Is there any difference in implementing "Transactional replication" and "Master readonly slave" ? I find these 2 terms everywhere on internet and after reading details, I find both are similar and used...
View ArticleWhy does adding a transactional replication publication change all the tables...
I'm trying to get replication set up - this is my first time ever doing it, so I'm probably making some rookie mistake here. Right now I'm just working in the dev environment. I've been following the...
View ArticleHaskell concat replicate inside list comprehension
I'm having trouble with the following exercise : Utilizing list comprehension, define a function with the following signature: reproduce :: [Int] -> [Int] This function exchanges the every number in...
View ArticleShould setting up SQL Server transactional replication require schema locks...
I'm attempting to setup transactional replication in a production environment. When adding columns to an article (calling sp_articlecolumn stored procedure), it appears to want to lock the published...
View ArticleCan You Replicate Sequences
In SQL 2012 can you replicate sequence objects, and if so do changes to the sequence (including consumption of values) get replicated? If not is there a good reason why this was not included?
View ArticlePostgresql Chained Slaves and Slave Promotion
So I have a setup like Master -> Slave1 -> Slave2. Slave1 replicates from Master and Slave2 replicates from Slave1. If I promote Slave1 to master is it possible for Slave2 to continue replicating...
View ArticleMaster/Slave and Master/Master replication - MySQL
What is the difference between having a master-slave replication and having a master-master( where in the second master acting as hot-standby - active-passive) replication? Also, what are the issues...
View ArticleHow to enable Data Compression in SQL Server transaction Replication on...
I have a transactional replication setup and i want to enable data compression(page or row) only on the subscriber side. I tried setting this up and it works fine until you reinitialize the subscriber....
View ArticleMySQL Replication - multiple masters (different d/bs) replicated to same...
I have a MySQL Replication setup up and running: Database A (Server 1 as master) --> Database A (Server Z, acting as the slave) I now want to use the same Slave Server (Z) to be a slave of two other...
View ArticleHow to copy non clustered indexes in transactional replication
I create transactional replication ,but forget to include non clustered indexes and now my subscriber have only clustered indexes (primary key) and I want to transfer all nonclustered indexes to...
View ArticleHow to replicate(or similar) SQL Server on RDS?
Apparently Amazon RDS does not support replication for SQL Server (using 2012, but 2012 and 2008 both unsupported). What solutions are available for SQL Server in a case like this if I want a backup...
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 ArticleHyper V replication - vs - sql replication solutions
I need to establish an offsite copy of a number of production servers, including SQL server. Hyper V replication has been chosen as a simple solution (all servers are virtual). This is to supplement...
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