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

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MySql shell command not replicated to slave - “LOAD DATA INFILE” [duplicate]

I have a shell script that looks something like that: #!/bin/bash mysql -udb_user -pdb_password -e "LOAD DATA LOCAL INFILE '/srv/some_file.csv' INTO TABLE db_name.db_table FIELDS TERMINATED BY ...
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3answers
1k views

MySql shell command not replicated to slave

I have a shell script that looks something like that: #!/bin/bash mysql -udb_user -pdb_password -e "LOAD DATA LOCAL INFILE '/srv/some_file.csv' INTO TABLE db_name.db_table FIELDS TERMINATED BY ...
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2answers
255 views

Backup VLDB replicated database in SQL Server?

I have a problem with my backup strategy. Currently I'm doing a Full Backup every night and transaction log backup every 2 hours to TAPE. This used to work without problems, but the size of the DB ...
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1answer
180 views

Sql Server Agent REPL Jobs

I know that replication uses Sql Agent jobs to pull subscriptions. Are these jobs supposed to stay in an 'executing' state? (Sql 2008 SP1)
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3answers
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Does PostgreSQL 9.1 Streaming Replication catch up after a lag without WAL archiving?

Context: Let's say that, while using Streaming Replication/Hot Standby on a Postgres 9.1 cluster, a standby node goes down. It stays down for an day, during which time a lot of DML occurs on the ...
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2answers
641 views

Microsoft SQL 2008 Cluster with replication

i am in the process of setting upi a SQl Server 2008 64 bit Failover cluster. A lot of the database queries that we are running during the days are db intensive and lock a lot of the tables while ...
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2answers
3k views

Streaming replication and failover on PostgreSQL

I am doing a proof of concept on PostgreSQL replication. After the discussion on forum we decided to go with streaming replication as the performance is good compared to other solutions. PostgreSQL is ...
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1answer
322 views

Has anyone ran into this replication breaking bug before?

I've been having this issue where replication was breaking on colliding primary keys. The annoying thing was these were auto increment generated. I think my issues been tracked down to ...
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1answer
1k views

Syntax to not write single statement to binlog?

I know you can SET SQL_LOG_BIN=0; to disable writing your session to the binlogs. I was wondering if there was some single serving query syntax to prevent just that one query from being written w/o ...
4
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1answer
1k views

SQL Server 2012 replication permissions with virtual user and agent credentials

For development/testing I set up replication in SQL Server 2012 RC0 (11.0.1750) using the default permissions on the agent, and I'm getting this error: Message: Access to the path 'C:\Program ...
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1answer
6k views

MySQL Replication Error

I am getting an Error on Slave as: could not execute Write_rows event on table mydatabasename.atable; Duplicate entry '174465' for key 'PRIMARY', Error_code: 1062; handler error ...
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1answer
6k views

Mysql Slave replication: Need to determine where replication left off to start slave in correct location

Idiotically I rebooted a machine that is used as a mysql slave without running STOP SLAVE, FLUSH TABLES first. I had thought mysql automatically handles all of this during a machine reboot, but ...
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1answer
379 views

Replication of database used by two programs

I have a peer to peer transactional replication set between two identical databases, each one of the databases is being used by a different program on two different servers. Since we implemented the ...
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1answer
3k views

what are the conditions under which mysql replication might break?

I am running mysql server in master/slave configuration mode. There are multiple slaves replicating from a master. They are working fine and their replication status is monitored. One of the slaves ...
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1answer
1k views

Duplicate entry in mysql slave

I have a mysql master-slave replication setup. when I checked "show slave status", I got the result as "Slave_Sql_running:No" and Last error as "Duplicate entry 'x' on query." But when I tried to ...
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1answer
2k views

What is the Best Way to detect if server is a Master inside a Stored Procedure?

I'm want to create a stored procedure/event to do some maintenance tasks. My setups are master/slave configured for failover scenarios (meaning the slave is not used for reporting, just might be ...
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2answers
11k views

First time running a replication on SQL Server 2008. “The process could not connect to subscriber 'SERVER2'”

I've set up Replication between two remote servers, Using Peer to Peer & Transactional updates. The subscription is all set, but the actual replication doesn't take place. When viewing the ...
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1answer
567 views

MySQL Replication: Slave with Different Column From Master

I have a Master/Slave replication. I had to change the name of one of my columns in one of my tables from temp_col to sent_at, this column is not being used yet. I've issued an alter table on an ...
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2answers
3k views

Mysql thinks Master & Slave have the same server-id

I've been setting up a master->slave_a->slave_b relationship and having a little trouble. I currently have the master->slave_a replication working fine. Each of the two slaves have exactly ...
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2answers
914 views

How to eradicate Mysql Slave Replication delays when huge updates from master

At my environment we had slave replication with mysql server version 5.1.47 enterprise version.When ever there is huge updates from master, slave is lagging behind the master. What is the best ...
2
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1answer
286 views

mysql emits BINLOG rows even though binlog_­format=­STATEMENT

We have MySQL 5.5 installed, we have the binlog_format=STATEMENT (the default) According to the MySQL Documentation, the binary log should contain SQL statements only, but we still see BINLOG rows in ...
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5answers
807 views

MySQL Replication monitoring [closed]

Im looking for a tool that could help me and my team monitor our MySQL Replication. I would love for a tool that could alert me if Seconds_Behind_Master passes a threshold Slave_SQL_running is ...
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1answer
2k views

How to make MySQL replication reliable?

Master version: 5.5.13-1 Slave version: 5.5.14-1 Binary log format: MIXED My Slave database (~ 40GB) has been out of sync from the Master. I cannot find anything interesting in the error log. ...
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1answer
2k views

What does the base64 BINLOG statements in mysqlbinlog output mean?

I have looked over the mysqlbinlog command as a candidate for rollback method from MySQL 5.5 to MySQL 5.0. When I ran the command on one of the bin-log files in the MySQL 5.5 server, I've noticed ...
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1answer
261 views

What's the purpose of /*!*/; in mysql binlogs?

The title pretty much sums up the extent of my question. They seem to appear after every statement. Sometimes on a new line following. At other times, at the end before the ;. What's the point?
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1answer
10k views

Best way to setup master to multi master replication

ORIGINAL QUESTION: I have multiple servers that all need to act as masters, as if one fails the next server kicks in and takes over. I'm just wondering what the best way to replicate is. All servers ...
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1answer
4k views

Mysql Master-Master Replication Topologies on >2 machines

I have 3 Mysql servers that I would like to replicate: two (including the main server) are local and one is remote. Let's call my main server A, the secondary server B, and a remote, development ...
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3answers
420 views

Replication chaining with PostgreSQL

We have an unusual replication scenario and I am not sure which tool would be appropriate for that. Basically, we have a legacy non-normalized database that we want to refactor into a normalized ...
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1answer
5k views

In a MySQL Master/Slave replication, what would happen if I write to the Slave?

Several Questions Would the Slave entry remain until there is an insert/update/delete to the table on the Master that could affect the Slave? If not, how do I ensure that the Slave is in-sync with ...
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1answer
3k views

Run SQL Server Snapshot Agent automatically

I am trying to setup automatic transactional replication. Basically I have some script files that are executed after each other. They set up a replication from one server to another and this works ...
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1answer
2k views

How to move data from Primary Data File to other data file without destroying replication

I have one Database which is replicated using transactional replication. Now, I want do spare some data of that database to another partition, because my server running out of disk space. I was ...
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1answer
160 views

setting up a local database to be updated from a master database

I'm looking for an efficient way to keep multiple databases (on different servers) sync with a master database (also on a different server). Mind you I only need a one way sync (from master to all ...
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2answers
4k views

Difference between Row based and statement based replication in Mysql?

What is the Actual difference between Row based and Statement based replication I actually looking in terms of replication effect's on slave. If I am using Row based replication then whats is the ...
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3answers
191 views

Synchronise two databases (but not really)

I'm trying to design the following system. An arbitrary number of of embedded systems will each record data constantly and indefinitely. It is required that these devices upload their data to a ...
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2answers
6k views

Does MySQL support replicating all databases?

I’ve been doing some investigation into properly configuring MySQL replication. From what I understand after reading the documentation, you can only replicate specific databases, and each database ...
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1answer
1k views

Master and Slave having same id's

I am working as a remote DBA for some of the production servers. There was replication from Master to Slave. There is something changed in the scenario they have made one of the Slaves as master ...
2
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1answer
3k views

PostgreSQL replication: out-of-sequence timeline ID, when former master made slave

I've configured master slave replication in PostgreSQL, following this tutorial: http://wiki.postgresql.org/wiki/Binary_Replication_Tutorial#Binary_Replication_in_6_Steps It worked fine. Now I've ...
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1answer
1k views

Problem with MySQL Master/Slave reboot when in replication

There is a master and number of slaves connected to it. Due to some patches, we have to Reboot the Master and Slave. Afterwards, we have to make sure replication is running fine. While doing this ...
3
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1answer
5k views

Fixing tables out of sync as reported by pt-table-checksum, pt-table-sync is not working

I have several tables being reported by pt-table-checksum with CRC_DIFF between my master and slave servers using the following commands: $ pt-table-checksum h=master,u=user,p=password ...
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2answers
2k views

How To Restore A Replicated Database

I am replicating our live database using transaction replication. This is basically to have a backup copy of our database in the case of server failure. The replicated database is read only, so I ...
3
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1answer
2k views

Does `Seconds_Behind_Master` show exact Slave Lag from Master?

Does Seconds_Behind_Master always show the correct number of seconds the slave is behind the master? I have also Implemented the mk-heartbeat replication monitoring. It was showing the other result ...
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2answers
7k views

Set up a MySQL slave using mysqldump to get the initial data

I have a master database which already has some data in it. The tables in the master database include both MyISAM and InnoDB engines. Now I want use mysqldump to dump the initial data of my slave ...
3
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1answer
315 views

How Commit works in a transactional push replication with updatable subscribers

I want to know if in a transactional push replication with updatable subscribers, a commit is only done when all subscribers have succeeded to make it, or if it only guarantees the correct commit in ...
2
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1answer
213 views

Dropping then adding a table to a subscription with Identity option Not for Replication causes errors

We have a Transactional Replication environment that was initialised from a backup that replicates the data for several hundred tables. When a table is altered, say a new column added, I have created ...
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2answers
16k views

What is the Best Way to create MySQL Master-Slave Replication Setup and Troubleshoot it?

I am very new to Database Administration. I face a lot of problems while setting up mysql master-slave replication. I also face regular mysql replication troubleshooting issues. Can anybody helps ...
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2answers
269 views

Is it advisable to have MySQL Master/Slave running on the same physical server, on the same mysqld, sharing the same disk?

my Use-Case : The solution I am developing is very data oriented. I run a cron job every 3 hrs to read lots of records from a file, process them and store them in the database. I also need to ...
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1answer
1k views

MySQL Replication question

I have setup a master-slave replication between two MySQL servers using mysql Version 14.12 Distrib 5.0.51a, for debian-linux-gnu. Recently the replication errored out with this in the logs: ...
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0answers
134 views

Hello, I want to build up Postgresql 9.0 replication on Ubuntu 11.04 [closed]

I want to build up replication on postgresql 9.0 that too on Ubuntu 11.04. Please let me know through which method it is possible? I have tried many options including slony, streaming replication ...
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2answers
2k views

How can I check the status of transactional replication?

How can I check if there are commands waiting for being executed in the subscribers and find if there is any error occurring in my publication. I want to be able to do this programmatically so the ...
2
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1answer
719 views

mysql replication deadlock slave stopped

I've a master and slave and got the slave stopped with the following error log in slave. I want to fix this and get the two servers on synch and get going again. 111128 8:42:24 [Note] Slave I/O ...