1
vote
1answer
100 views

MySQL - Best long read query solution within a replication based system

I'm working on a project where work in a queue requires a database read against heterogeneous table schemas (InnoDB/MyISAM). The queries constructed during the "read" process can result in 10-15 ...
0
votes
2answers
86 views

Abnormally high MySQL writes and larger than normal Binary Log files. How can I determine what caused this?

We have a MySQL master database which replicates to a MySQL slave. We were experiencing issues where MySQL was showing a high number of writes (but not an increased number of queries being ran) for a ...
0
votes
1answer
41 views

Native replication from Percona XtraDB Cluster to a standard stand-alone slave

I'm replicating from one node of a three-member Percona XtraDB cluster to a separate slave, using regular MySQL replication. The node is set to write binlog in ROW mode, with log_slave_updates=true ...
0
votes
0answers
28 views

Accessing Database from Slave server

I have an application running in one server eg: My Server's Ip is 192.168.10.10, and I have the MySQL database server in the same machine. The application connects database server as localhost. ...
1
vote
2answers
252 views

Which one to use? InnoDB Replication or MySQL Cluster?

I am building a url shortener and I use InnoDB as the storage engine for link data. I will start with a single VPS containing both application instance and MySQL database instance on the same Virtual ...
0
votes
0answers
162 views

MM Replication and Zabbix in slave, Error code 1032

I have multi-master replication and using Zabbix for server monitoring. Since the replication is row based, I get this error in slave everytime which also breaks my replication. The error I get is: ...
0
votes
1answer
192 views

MySQL: replicating to a different table engine type

According to the replication documentation from MySQL, it is possible to set up replication from InnoDB source tables to MyISAM destination tables. Unfortunately, the documentation has little to say ...
1
vote
1answer
215 views

Set up replication and migrate to InnoDB with low downtime

Current situation is this: I have a large legacy DB using only MyISAM tables, the size of whole DB is 4GiB, one of the tables contains over 10 million rows, so it is pretty large. The database is ...
0
votes
2answers
537 views

How to run a cold backup with Linux/tar without shutting down MySQL slave?

I run the following before tar-ing up the data directory: STOP SLAVE; FLUSH TABLES WITH READ LOCK; FLUSH LOGS; However, tar will sometimes complain that the ibdata* and ib_logfiles* files are ...
5
votes
3answers
993 views

InnoDB Master-Master replication goes inconsistant after power failure tests

Afternoon gents, I'm currently stress testing a Master-Master replication setup using InnoDB as database engine. We're using this simple script for testing which we run in Linux CLI from a remote ...
5
votes
1answer
622 views

Can I have an InnoDB master and MyISAM slaves with Full-Text for searching?

I'd like to use InnoDB on the master, for its transactional ability, but MyISAM on the slaves for the full-text search ability. Is this possible?
2
votes
1answer
7k views

MySQL: InnoDB keeps crashing - how to recover?

# free -m total used free shared buffers cached Mem: 48289 35288 13000 0 347 30399 -/+ buffers/cache: 4541 43747 ...
2
votes
3answers
320 views

MySQL - Master/Slave Replication with different server specs

I have a Master/Slave replication (using MySql 5.1 / InnoDB). Currently both my master & slave are running on the same type of server (32 GB RAM, 2 x Intel Xeon 5520 Quad Core 2.26 GHz (8 cores)) ...
0
votes
1answer
775 views

Problem with Error: InnoDB: page … log sequence … number is in the future!

i know this question was asked before, but i am at a point where i am really stuck and do not know how to continue with this problem and i would really like to know, what causes this error to come up. ...
2
votes
1answer
595 views

ACID-compliance of MySQL master-master replication?

I've created two MySQL 5.1 servers, replicating off each other (log-bin) in a low latency environment (different AZs within an EC2 region). All tables that are being replicated are using the InnoDB ...
2
votes
1answer
87 views

Moving the binary location of MySQL for replication

Is it possible to move the contents of /var/lib/mysql when setting up replication instead of doing mysqldump > for export and mysql < for insert on the slave, because in our current setup it takes ...
3
votes
2answers
977 views

MySql replication with Raw Data and InnoDB tables

I want to start replication on DB that has many InnoDB tables and MyISAM tables. I did everything according to manual Creating a Data Snapshot Using Raw Data Files. Firstly, I tried copied all ...
1
vote
2answers
4k 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 ...
2
votes
1answer
2k views

MySQL Bug required remedy : [Warning] Invalid (old?) table or database name '#sql-'

We have a master & multiple slave replication in our production environment. At first, I found this error in the mysql error log on the master and later on the slave. As for all the replication, ...
5
votes
3answers
10k views

Error 'Unknown table engine 'InnoDB'' on query. after restarting mysql

I have mysql DB on server S1 (mysql version 5.1.41-3ubuntu12.7-log). I have created master-slave for this DB on server S2 (mysql version 5.1.54-1ubuntu4-log). The DB on S1 was using one data file ...
2
votes
1answer
425 views

MySQL proxy and SHOW PROCESSLIST query time

I have MySQL replication currently occurring between two masters bidirectionally, one in a data center locally, another over at Amazon EC2. Everything seems to function normally replication wise, no ...
5
votes
3answers
4k views

ALTER TABLE on a large table with an indexed column

I have a large table with a VARCHAR(20) column, and I need to modify that to become a VARCHAR(50) column. Typically, performing an ALTER TABLE (adding a TINYINT) on this particular table takes about ...
4
votes
1answer
455 views

MySQL Replication: Insert generating VERY huge temporary tables

our replication slave is generating ~300GB temporary files while running relatively simple inserts. Our setup: Master: 5.0.45-0.sles10.x86_64, Slave: 5.0.85-win32, also tried with 5.1.57-win64, ...