Replication is the process of sharing any level of information so as to ensure consistency between redundant hardware/software resources to improve reliability, fault-tolerance, and accessibility

learn more… | top users | synonyms

1
vote
0answers
28 views

The @article parameter value must be 'all' for immediate_sync publications

I have a publication of 4 tables and many subscribers (transactional push replication), most of them being interested by one of those 4 tables. Everything is working fine as long as I create the ...
1
vote
0answers
78 views

SQL Server replication - recommendations for stability

We have two SQL Server 2008R2 Standard servers, and we've set up replication of a single database between them. The replication is about as simple as it can get - it's a transactional replication from ...
1
vote
0answers
411 views

Postgres database zero down time production deployment

I need some idea about how I can deploy a financial application in production environment using PostgreSQL DB with zero down time. I have two servers in Master-Slave design. Currently I am giving ...
1
vote
0answers
93 views

Data replication vs parallel shard query

I'm not a DBA, and I'm wondering how a SQL Server database can scale to fit the needs of a social network. I'm not interested in NOSQL, and I understand that caching plays an important role in ...
1
vote
0answers
77 views

Replication topology advice - central subscriber

I'm seeking guidance and advice about how to set up replication in MSSQL to deal with the following criteria. We have a central server hosted at a data center - this is where our web app is located. ...
1
vote
0answers
60 views

Mysql Replication Master/Slave and Master/Master

Looking for some insight and opinions from some DBAs, as I've been tasked to look into using Master/Master replication for a single table in a database. We currently run mysql replication using a ...
1
vote
0answers
35 views

Data mirroring suggestions

On my test environment, I have a SQL 2012 2-node physical cluster that accesses a common iSCSI storage on a separate Windows Server 2012 box. What options are there if I want to backup this storage to ...
1
vote
0answers
2k views

mysql 5.6 GTID replication 'Got fatal error 1236 from master when reading data from binary log'

I Checked SHOW SLAVE STATUS error is "'Got fatal error 1236 from master when reading data from binary log: ''The slave is connecting using CHANGE MASTER TO MASTER_AUTO_POSITION = 1, but the master ...
1
vote
0answers
26 views

SQL Replication - Data not showing

Good Morning, I have recently setup SQL replication and changed some data in one of the tables on the primary table. This data however has not been replicated to the subscription server. On the ...
1
vote
0answers
92 views

MySQL SSL Master-Slave replication not syncing

I have originally posted this thread on stackoverflow and after a comment I moved it here. The original post can be found here. I have setup a typical Master-Slave replication scheme for my MySQL ...
1
vote
0answers
361 views

Log file growth due to replication issue

I have one primary database and it's getting replicated to another server. Both servers are SQL Server 2008 R2 with SP1. Replication was running fine till last week. We have transaction log backup ...
1
vote
0answers
165 views

How to upgrade MySQL 5.0 to 5.5 with master-master replication?

I have to update 2 hosts with SUSE Linux Enterprise 11 from SP2 to SP3 which implies an update from MySQL 5.0.94 to 5.5.31. The release notes state: SLE 11 SP3 introduces the upgrade of the MySQL ...
1
vote
0answers
35 views

sp_spaceused and replication question

I have been replicating data from a table to 2 different locations and was just looking at sp_spaceused to see the size of the tables. I have noticed that the replicated tables are smaller than the ...
1
vote
0answers
119 views

Row not being deleted from the publication when it's deleted in a subscription

We've merge replication configured in our environment(1 Publisher, 3 Subscribers) and We know by default merge replication is bi-directional. Its working fine in case of inserts i.e, if a row is ...
1
vote
0answers
97 views

MySQL Replication fails - commands received in wrong order?

The other day, I had this issue with one of our MySQL 5.1.60 master and 5.1.61 slave setups: Last_Error: Error 'Can't create table 'foobar.#sql-4b87_2' (errno: 150)' on query. Default database: ...
1
vote
0answers
463 views

Transactional Replication Failing Suddenly - Distributor Error

I have two databases (both SQL Server 2008 R2) taking part in transactional replication. This exists to pass data to a customer of ours, so I am troubleshooting from the Publisher side. Replication ...
1
vote
0answers
86 views

MySQL Master-Master Replication Table Row COUNT() Inconsistency

I have two MySQL servers replicating to each other in a Master-Master typology. This has been working fine for several months now. Recently I've noticed some drift in one Master. There is a row ...
1
vote
0answers
527 views

SELECT + INSERT + Query Cache = MySQL lock up

MySQL server seems to constantly lock up and stop responding on certain types of queries and eventually (after couple of minutes of not responding) give up with an error "MySQL server has gone away", ...
1
vote
0answers
433 views

Merge Replication Update Statement Timeout

I work for a company that provides web based data collection. Currently we have a SQL Server 2012 server as the publisher for 2 subscribers (planning on expanding up to 5+ subscribers), both SQL 2012 ...
1
vote
0answers
382 views

MySQL replication error 1146

Any idea why there is '1146 - table doesn't exists' on 'CREATE TABLE IF NOT EXISTS...' statement. It actually happened only on one of the slaves (there are two in total): Last_SQL_Error: Error 'Table ...
1
vote
0answers
75 views

Setting up replication alerts

I 'm trying to configure alerts for replication. Currently on my test setup I run everything under user 'sa'. When I try to set up alert for agent failure I get the following error Login failed for ...
1
vote
0answers
35 views

How to use a database across two availability zones

I have servers in the USA and Japan for my website. At the moment they are both connecting to a MySQL server in the USA, which is obviously perfect for my local USA clients but quite slow for my ...
1
vote
0answers
309 views

How 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 ...
1
vote
0answers
135 views

Any solution to fix circular replication fail-over?

I've developed a point-of-sale system for our corporation, which has 25+ branches across the country. Each branch has its own MySQL POS database on a WAMP server. I want every event that occurs in ...
1
vote
0answers
181 views

innobackupex: What causes Slave_open_temp_tables did not become zero after waiting 15 minutes?

As you might know, in order to assure a consistent replication state, the slave should be backup only when there are no open temporary tables: ...
1
vote
0answers
318 views

How to delete orphaned records from sysmergesubscriptions table?

I have some old orphaned records for old subscriptions that I want to delete from the sysmergesubscriptions table. Each time I delete unnecessary records, it show up again after it syncs with any ...
1
vote
0answers
427 views

How to sync mysql remote database daily ?

I have a database that contains orders , products ..etc. I have another system that generates reports based on this database. Due to heavy load i want to separate those systems Where i have the master ...
1
vote
0answers
314 views

MySQL 5.1.67 - Replication failure Mysql, Master Log Truncated or corrupted

I have run into some issues with replication After an in-place upgrade of mySQL from 5.0.77 -> 5.1.67 rel 14.4 Percona replication between a master and multiple slaves is causing issues. slaves are ...
1
vote
0answers
163 views

Replication issue - CREATE SELECT alternative?

I've an MySQL 5.1 slave for our BI team. They need to make some CREATE SELECT with big select queries (several million lines). As CREATE SELECT is a DDL, if the replication attempts to update some ...
1
vote
0answers
489 views

Transactional Replication Over Domain

I am trying to setup transactional replication in SQL Server 2008 R2 on two servers on separate domains. I am able to create the distributor, create the publication, and create the subscription, ...
1
vote
0answers
79 views

pt-table-checksum generates no output

I've been using pt-table-checksum on our staging server successfully, but when I run ./pt-table-checksum h=localhost,u=user --ask-pass --lock-wait-time=50 --databases prod It just sits there. No ...
1
vote
0answers
53 views

Merge Replication Finding Session Id

I am using merge replication with SQL 2012. I am writing a custom business logic handler, and would like to know if there is a way to get a session id? For instance if the custom business logic ...
1
vote
0answers
88 views

MySQL replication backup

How to take MySQL Master-Master and Master-Slave replication backup?. I have setup Master-Master replication with a separate slave for each master on Ubuntu. What happens if, I issue or schedule ...
0
votes
0answers
26 views

Peer-to-Peer Transactional Replication Load Balancing in MS SQL Server

I'm looking at Peer-to-Peer Transactional Replication and it looks like a perfect fit for my requirements, but there's one unclear part - load balancing (see picture below). How it is implemented in ...
0
votes
0answers
9 views

What will happen when manager stops on source in goldengate?

As per my knowledge, manager is responsible for handshaking between source manager and target manager. Communication between the extract and pump process for providing reports Is there is a ...
0
votes
0answers
6 views

Failover_command in pgpool is not working?

I have setup the pgpool with load balancing and failover mode. Following is my failover_command='/usr/local/etc/failover.sh %d %P %H %R' The following is the script: !/bin/bash -x FALLING_NODE=$1 ...
0
votes
0answers
5 views

How to handle private local databases in a multiDB cloud environment

In context of Platform as a Service (PaaS), we would like to offer our clients a private platform. A platform includes a website and a database. A platform is not 100% separated. Users could "travel" ...
0
votes
0answers
9 views

Transactional Replication to a Version Two Versions Older--Count by Name or Number?

According to Microsoft SQL Server documentation, a "Subscriber to a transactional publication can be any version within two versions of the Publisher version." In this context, are versions named ...
0
votes
0answers
8 views

Error 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 ...
0
votes
0answers
15 views

How the statement based replication works internal on secondary node of mongodb?

Mongodb supports statement-based-replication. Would like to know, how the statement based replication converts the code internally on secondary node of mongodb. Is that working related to the ...
0
votes
0answers
15 views

Is Automatic failover is possible in pgpool?

I have setup the 2 PostgreSQL 9.4 severs with master-slave(Hot standby streaming replication).Is this possible in pgpool-II 3.4 to configure,where it works for automatic failover(network or hardware ...
0
votes
0answers
10 views

How to block messages from Londiste?

This question is part postgres and part londiste. I have successfully upgraded PostgreSQL from 9.1 to 9.3 using Londiste. However, in the PostgreSQL 9.3 log, I am still getting some messages related ...
0
votes
0answers
11 views

Why are foreign keys ignored on subscribers?

We have a merge replication set up on Sql Server 2008 R2. There are many tables with foreign keys providing a logical dependence on each other. For this question, let's say there are the "User" and ...
0
votes
0answers
15 views

Oracle Mview - Get DML Type

I'm trying to create a replication of a table on a remote server. Table on remote Server : tbl_remote. i created a MATERIALIZED VIEW LOG on tbl_remote. also in my local server i created a ...
0
votes
0answers
16 views

Different Auto-increment values Mysql schema Replication

I have 6 Slave set up (EC-2, linux) and a Master ; 2 schemas getting replicated. Version info: mysql Ver 14.14 Distrib 5.5.34, for Linux (x86_64) using readline 5.1 Once in few months in one of the ...
0
votes
0answers
20 views

Percona Cluster 5.6 (PXC) and replication filters

I wanted to double confirm the following information: Percona Cluster 5.6 implements Galera for syncromnous replicatrion. Does Galera replication support any replication filtering rules? such as: ...
0
votes
0answers
39 views

Error configuring SQL Server as Distributor

I'm trying to configure replication on a new install (moving to SQL 2012) and I keep getting the same error even after messing with the service name, folder permissions, etc... Using the Configure ...
0
votes
0answers
14 views

Mongo Memory mapping file size issue

I am witnessing some performance issues in my Mongo Sharded cluster. I checked the serverStatus for the memory uses on my shards This is the output Shard one Primary RAM size 512 GB "mem" : { ...
0
votes
0answers
21 views

Did this trigger break replication?

I added a trigger to a replicated database. DELIMITER $$ USE `database`$$ DROP TRIGGER /*!50032 IF EXISTS */ `some_ins_after`$$ CREATE /*!50017 DEFINER = 'user'@'%' */ TRIGGER ...
0
votes
0answers
34 views

Replication Strategy for Multi-Office Database

I'm considering options for setting up a repository of large spatial datasets that can be used by employees across our company. We have offices scattered around the US. Our employees utilize ...