backup/replication over inconsistent network
I need to setup a MySQL database server for a small number of local (write) users (~6) in a remote area with somewhat irregular internet access via WiMAX. Outages are not at predictable times or of...
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...
View ArticleConsistent backup of large DB --single-transaction
I need to mysqldump a large DB (330 GB) in order to set up a slave for replication. Does --single-transaction allow me to dump the entire DB without shutting mysql down and keeping it down for the...
View ArticleMysql 1 way replication master lost data replication still has
Had a master mysql on (windows) improper shutdown. Many records could not be recovered and investigation found slave had records master did not have. Did not restore over master - left as was. As if by...
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missing indexes on distributor database
Looking for missing indexes on my distributor databases, I surprisingly find too many. the tables that need to be indexed are generally 3: MSrepl_commands MSlogreader_history MSdistribution_history...
View ArticleRemoving the uses of MySQL temporary tables
We have a very huge PHP/MySQL application with a lot of legacy code, this application utilized MySQL for most of it's work. It does most of the processing on the database side using temporary tables,...
View ArticleMerge replication gone wrong, and snapshot is timing out
I have a merge replication set up between one Publisher and 3 Subscribers, replicating a single database with around a 100 different tables of various sizes. It's "real-time" replication running...
View ArticleDoes a read-only MySQL slave need log-bin in addition to relay-bin logs?
I'm running out of disk space on a newly initiated MySQL slave server. The bulk of disk space is in /var/log/mysql where I see both mysql-bin.000XXX and mysql-relay-bin.000XXX logs, each 1.1G. Does a...
View ArticleMySQL Replication issues on server placed in different continents
I am running 2 cpanel servers with MySQL Replication set on them, one in france the other in US. Running a database hungary site. Replication was setup to load balance as well as for failover reason...
View ArticleMysql replication issue
I am creating Master Slave Replication. Master Configuration is as below server-id=1 log-bin=mysql-bin binlog_format=ROW Created The user and Assign the Replication Privilege. GRANT REPLICATION SLAVE...
View Articlemongodb replication node stuck at “STARTUP2” with optimeDate as 1970
i have just setup replica sets with three nodes . the third node is stuck at stateStr STARTUP2 with "optimeDate" : ISODate("1970-01-01T00:00:00Z"). However its showing no error message. Is this...
View ArticleIndexed view doesn't exist on the subscriber
I am configuring transactional replication in SQL Server. The subscription is configured as push from 2008R2 publisher (distributor is the same server) to 2012 subscriber. The object I want to...
View ArticleBeginners Guide to DBA PL SQL [on hold]
what programming languages does a ORACLE DBA needs to know for a good career growth apart from PL/SQL ?
View ArticleReplication Configuration
I had a SQL Server 2008 Express edition as a Default instance and I am having SQL Server 2012 Evolution and SQL Server 2014 Evolution are my named instances. When I was trying to configure Replication...
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MongoDB conf in absence of Arbiter to host election to choosing a primary
Let me explain the scenario in the first step. Case 1: I have a Primary Replica set on localhost:27017 and 2 replications of primary on ports 27018 & 27019. all these are on the same set. When i...
View Articlepgpool2 not working on my Ubuntu i686 athlon i386 GNU/Linux
I am trying to implement replication and load balancing on my Ubuntu i686 athlon i386 GNU/Linux.for creating database clustures I have installed postgresql contrib 9.1.11 having initially database...
View ArticleGlusterfs Not Replicating data
I have a glusterfs setup with two nodes (Node1 and Node2). I see connection has made between two connection. Problem is when I create some folders on Node1 it does not replicate it on Node2. Please...
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 ArticlePostgresql - Minor version upgrade 9.3.5 to 9.3.6 on Ubuntu
I am two servers: A & B. My master database is running on A and the version is 9.3.5. It's replica is running on B and the version is 9.3.6. I am trying to use B as UPSTREAM slave, and trying to...
View Articleglusterfs Unable to read gsyncd status file
I wanted to try glusterfs geo-replication in some virtualboxes on my computer for later use distributed on multiple sites. I installed glusterfs 3.6 on ubuntu 32bit servers like this:...
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