Encountered a MongoDB warning after converting a replica set to stand alone...
I encountered the following warning after converting a mongodb replica set to a stand alone server. I did rs.remove('host') and removed the replSet arguments when starting the mongo db. [root@sam ~]#...
View ArticleMySQL Replication: How to restore master FROM slave?
TL;DR: given a master/slave setup between two MySQL databases, where the connection from the master to the slave is read only, how can you restore the master from the slave in the event of a failure of...
View ArticleMySQL Slave database size >> Master Database
I have a Percona MySQL Master-Master setup (5.6) with second master as passive master(read-only). Slave: mysql> SELECT table_schema AS "Database", ROUND(SUM(data_length + index_length) / 1024 /...
View ArticleMongoDB replicaSet keep 'syncing to' and only can be connect with shell
Hi I am new with MongoDB 2.6 Replica Set I have three DB service in Docker and DB work in Replica Set It works great I can connect to DB Read,Write in C#,MongoVUE but I didn't know why my db will not...
View ArticleMySQL - How to see the queries executing by slave io thread
We have a strange problem with MySQL replication. We have observed huge load and IO wait on server while replication is in progress. We can have information of the queries from bin-log by using...
View Articlemixing binlog formats between master and slave
I have a pretty much straightforward Master --> Slave replication setup in MySQL 5.6 / Innodb. Both my Master and Slave are setup in MIXED binlog format. Now I need my slave to act as a master to...
View Articlehow to change the replication color indicator adobe aem
The replication color indicator for successful activation of content in Adobe AEM is GREEN. How can I change this to a different color. Say, for example, I want GREEN to be the indicator for successful...
View ArticleWhen can I clean up archived WAL files?
I need some help understanding the how archived WAL files are used and when I can clean them up. Currently we have a master database replicating to a slave, but every so often our master database...
View ArticleReplication Issue - Changing the replication-do-db filter
I have a server that someone has setup which are acting as a master on both database. Since they have been configured as both master on the same database, changes one on end has caused all sorts of...
View ArticleReplication in same server within different databases. Mysql 5.6
What I have : a windows machine with one instance of MySQL 5.6 Server. two database named test and test2. Test database has a table called activity with columns id and class What I need : replication...
View ArticleClik here to view.
A timeout occured after 30000ms selecting a server using CompositeServerSelector
I try to deploy my mongo database in mongolabs , everything works fine, and i create a new database in mongo labs, Please see my connectionstring. public DbHelper() { MongoClientSettings settings = new...
View ArticleCan't get access to streaming replication stats in PostgreSQL
I have streaming replication which I need to monitor. So there is a special user for Zabbix. I don't want to use pg_mongz and decided to set my own queries to pg_catalog schema's view...
View ArticleIs it possible to use Change Tracking on a Replication target?
We have a setup where the production SQL Server databases are replicated to an offsite location using SQL Server Replication (transactional replication). I am looking at using SQL Server Change...
View ArticleMysql Replication backup and restoration failed multipal time
I tried restoring MySQL backup several time but unfortunately it gets failed by some or the new reason. I have 2 host Master & Slave with below details. Server1_Master os-centos6.7 mysql-...
View ArticleSQL Server 2012 Transactional Replication - twin subscriptions on same machine
Server A publishes Pub1, Server B subscribes to Pub1. Server A and Server B are both SQL Server 2012 Standard Edition, default instances. When I use Replication Monitor to drop-in a Tracer Token, one...
View ArticleIs there some kind of table-level replication in PostgreSQL?
I work with two databases in PostgreSQL 9.1, say A and B, one per application. Database B needs to read (and not write into) one table in database A (say users), but at the same time some tables from...
View ArticleRedis replication vs AOF persistance on distributed file system
I would like to avoid an overhead of having replicas for each master in my redis cluster within my task scope: data loss undesirable, but is tolerable(I can lose up to a minute of writes) in case of...
View ArticleDatabase synchronization continuously between local server to remote server
My client wants me to do synchronization between Local server(Source,on premises ) to Server (Cloud).I have searched on google i found many ways replication ,sync framework and some tools also but i do...
View ArticleMySql Replication - slave lagging behind master
I have a master/slave replication on my MySql DB. my slave DB was down for a few hours and is back up again (master was up all the time), when issuing show slave status I can see that the slave is X...
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 Article