Extract values from replicate functions
I am relatively new to R and am doing a MCMC simulation using R2OpenBUGS. My model works and I trying to do multiple iterations efficiently. This is my code for the multiple iterations....
View ArticleAre there negative effects to creating multiple copies of an access database?
I've been working on updating an existing database for a company and for version control have been making multiple copies (so far I'm at 10) and making different kinds of changes to each one. I am...
View ArticleSkipping chunk X of Y.Z because MySQL chose no index instead of the...
My environment: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.8 (Santiago) # uname -a Linux X.X.X 2.6.32-642.4.2.el6.x86_64 #1 SMP Mon Aug 15 02:06:41 EDT 2016 x86_64 x86_64...
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 ArticleVague replication error code 2005
2015-04-07 13:49:53 23758 [ERROR] Slave I/O: error connecting to master 'replication'@master-host:3306' - retry-time: 60 retries: 1, Error_code: 2005 This was after attempting to do a change master to...
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sql server - NoSync subscriptions will need to be dropped and recreated
I am having this error message from the sql server replication monitor: Error messages: The subscription(s) have been marked inactive and must be reinitialized. NoSync subscriptions will need to be...
View ArticleMySQL Circular Replication
I have this scenario where I have 4 MySQL servers (A,B,C,D), as this: Server (A) is always online, and serves as the main website. Servers (B,C and D) are online on random periods of the day, and not...
View ArticleSlave_IO_Running: Connecting in Master-Slave Replication
I was trying to implement Master-Slave Database Replication on two systems. I followed the steps from the following linkshttps://www.youtube.com/watch?v=DmQWcU2INqQ andMaster Slave Replication But in...
View ArticleHow to stop Log Reader Agent from SQL/Command Line
Say I've got replication on a SQL Server 2012 box set up. Everything is working as expected, and the Log Reader Agent is running. Now, say that I need to remove all traces of this...
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Replicate Master to Different Slaves
I have a master database which would be the cloud server that consisted of different schools. Now those schools are deployed to their corresponding school location which would be the local server. Now...
View ArticleSQL replication adding additional column in the table within subscription db...
i configured the SQL server as transactional replication server A as publication and server B as subscription. In the server B i modified the replicated table and add columns on it. i reconfigured the...
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MySQL 5.1.66 SSL connection error ERROR 2026 (HY000)
UPDATE2 Using WireShark I found out the problem string (I hope I did): 28 | 9.582638 | 192.168.18.128 | 192.168.18.129 | MySQL Response Error 1043 And the error is (according to docs): Error: 1043...
View ArticleMerge Replication API with SQL Server 2012 / 2014
We are using SQL Server 2008 with merge replication. Our business application uses the RMO API, which we have installed with SQL Server Feature Pack 2008 SP3 and there the package sql_rmo.msi. Now we...
View ArticleSQL Server 2008R2 - how to install replication components
I am trying to install the Replication components for SQL Server 2008R2, on technet website it says: On the computer that is running IIS, insert the SQL Server 2008 R2, SQL Server 2008, or SQL Server...
View ArticleCassandra - Replication Factor vs Nodes Count Relation
One of my C* cluster design expects nodes to hold between 1 and 2 TBs of data each, and I expect a huge amount of data in a few months. Pretending I can get 1PB of data and that each node will hold 1TB...
View ArticleMaster/Slave MySQL error in replication
I have setup a Master/Slave between two separates databases and started working fine until the slave arised an error and do not sync. Here is the status of the Slave:...
View ArticleSQL Server Replication Data Folder Security Permissions
I cannot get a snapshot to generate and the log reader to operate without granting full control of the repldata folder to the user group Everyone, which seems like the most insecure setting possible. I...
View ArticleOrder of replicated commands from Publisher to Subscriber in Transactional...
In Transactional replication the order of the commands execution in Subscriber is not same as it is in Publisher. I have a table Which have foreign key reference to its own table column. Alter Table...
View ArticleIs there a way to revert or undo replica set configuration
I have two standalone nodes, which have mongodb running on them. Both of them have a replica set configuration rs0 and start with rs.initiate(). But in some scenarios, I want them to run as individual...
View ArticleCan I backup Hyper-V replica Virtual Machines instead of main VMs?
I backup my Hyper-V machines on my main server periodically. I have also turned on replication on different machine where I have also more storage space so my backup VM images go to this secondary...
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