SQL 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 ArticleError while doing in replicaset in windows (mongodb)
I tried doing the replicatset in windows, but im getting the below error. I checked the mongo process and killed the existing process. Even though the error exists. help me on this pls Thx commands...
View ArticleMongodb slave shut down
I started a mongodb master slave, but due to technical issues the slave server crashed. I restarted it and the mongod proccess as well with the host parameter, but for some reason the slave isn't...
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 ArticleToo many open connections with MongoDB 2.6 + PyMongo 2.7.2
I was running MongoDB 2.4 with a replica set which contains 1 primary, 1 secondary and an arbiter. We were using PyMongo 2.6 and MongoEngine 0.8.2. Recently, we performed an upgrade to MongoDB 2.6, and...
View ArticleMySQL Zombie Dump threads
I'm getting the below constantly logged on my master mysql server. I've googled this to death but with no luck. Can anyone give me any advice. 2016-07-21T08:17:43.765005Z 41323 [Note] Start binlog_dump...
View ArticleTablespace symlink error after changing data_directory location in PSQL 9.4
Problem: After changing the 'data_directory' location in PSQL 9.4 (Windows Server 2012 R2) an error is thrown to the user when: (a) trying to connect to the PSQL server using PgAdmin or (b) when trying...
View ArticleHow to debug huge binary log file increases in MySQL replication setup?
I'm running a single slave off a MySQL master. I'm using this version: Ver 14.14 Distrib 5.7.13, for linux-glibc2.5 (x86_64) using EditLine wrapper The problem I have is that the system will replicate...
View ArticleMS Sql Server Replication Mail Notifications
I want to create mail notification service if replication is failed on my sql server 2016. Is this possible to create mail notification for replication fails ?
View ArticlePostgres requested WAL segment has already been removed (however it is...
I am using repmgr as my replication tool. On the slave I keep getting an error: requested WAL segment has already been removed When I check the Master indeed it is not there; however, it is in the...
View ArticleMariaDB_Galera_Cluster is not working
Can anyone give me an idea why my replication doesn't work? (I'm using MariadB-galera-server-5.5). I'm following exactly these instructions: sudo nano /etc/mysql/conf.d/cluster.cnf [mysqld]...
View ArticleSkip to Apply Snapshot of big tables in Transactional Replication
I do have a very big database and it has many big tables. I need to setup transnational replication for few tables (not all) to another database at the different location. Because table size is approx...
View ArticleORA-01017: invalid username/password; logon denied in config service [on hold]
While I am starting Config service,I am getting this error Wed Dec 21 11:42:56 2016, PID[24860], [1482300776.499] File:tmp_udbapi.cxx Func:ADB_Connect Line:508 ErrCode:-1 Message:ORA-01017: invalid...
View ArticleDifference between Duplication & Replication in Hadoop?
Hadoop Definitive Guide saying... A common way of avoiding data loss is through replication: redundant copies of the data are kept by the system so that in the event of failure, there is another copy...
View Articlewsrep_cluster_status ... disconnected
I installed MariaDB_galera_server-5.5 and I configured the galera_cluster as following : sudo nano /etc/mysql/conf.d/cluster.cnf [mysqld] query_cache_size=0 binlog_format=ROW...
View ArticleDoes distributor_admin need sysadmin?
I have a new install with push replication (20+ replications). When it was set up the SQL account 'distributor_admin' was created with sysadmin. I did not do the install but I am responsible for...
View ArticleDatabase staging environment for non-IT personnel
I'm in the process of proposing a database staging environment to my IT department. The idea is that a non-IT person like me (public works data analyst) would have a place to test solutions, and then...
View ArticleCan the account name of 'distributor_admin' be changed?
'distributor_admin' is a SQL-auth account that is used for replication. Out of the box it is granted sysadmin and currently it looks like that can not be dialed back to db_owner (see related Does...
View ArticleDisk I/O increased when changing RBR to MIXED
I'm experiencing some replication issues. I have a Master-Slave replication with mysql; the slave had binlog-format = ROW, Last sunday (3 days ago) I changed the format to MIXED (this is master too; so...
View ArticleFinding differences between a master and slave when pt-table-sync fails
I have a table that's showing some differences on a master and slave according to pt-table-checksum (PTC). I've found some verifying differences beyond that. Certain tables in the mix have composite...
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