0
votes
0answers
20 views

mysql synchronization databases [migrated]

hello, i have 5 MySQL servers masters each one have mysql slave , and i have to synchronize data from those masters to one other mysql(central mysql who contain the common data : it can be ...
0
votes
0answers
13 views

best logic to Load balancing YiiFramework web app

I'm going to launch a Yii framework app next days, and i'm currently searching the best way to deploy it in order to scale and support high traffic. I use Amazon RDS to host the DB, and 2 Memcached ...
0
votes
1answer
28 views

MySQL Replication across two mounts on AWS Amazon Linux

Recently we took advantage of the SSD instance stores available on AWS. While these are great, they obviously get deleted when the instance dies. Obviously the performance of non Provision IOPS is ...
0
votes
1answer
25 views

MySQL replication error: Error_code: 1032

I setup MySQL read replica that is read only. Both master and slave are running MySQL 5.6. The slave never gets written to directly, but I can't seem to keep it synced for more than an hour or two. ...
-2
votes
0answers
22 views

MySQL Multi master replication

I have one server on the internet which has MySQL data and other 10 users want to work offline and if they go online they want the data to be synced. So, do I need to make 10 MySQL users for slave ...
1
vote
1answer
36 views

Duplicating data between two Percona Xtradb clusters using MySQL replication

We currently have a 3 node Percona Xtradb cluster running in a single data center. We want to add fault tolerance in case of disaster to prevent reliance on a single data center and synchronize our ...
0
votes
0answers
6 views

MySQL Cluster with no Data Nodes

I'd like to set up a MySQL Cluster for HA, but the client of the data cannot yet use ClusterJ. I would like create 2 SQL Nodes and access only them from the client. i.e. No access to the NDB Data ...
1
vote
2answers
53 views

MySQL Replication threeway

We have MySQL Multi-Master replication setup between two servers ( A & B ). It has been working for a few years now and life is good. The management tool in our office connects directly to ...
0
votes
0answers
4 views

Mysql cluster 7.3 giving error while installation [duplicate]

I am installing mysql cluster 7.3 on windows 8. In the last step of installation when i have to "Deploy and start cluster" its giving the error msg "Command [u'net','start','N49'] returned non-zero ...
0
votes
0answers
7 views

MySQL Server Not starting on Windows OS with Arabic

I have a MySQL server (The MySQL version is 5.5.25) that I packages with my software that I run on my Windows XP/7/8/Server, the MySQL server is starting up and running as required on the Windows OSes ...
1
vote
0answers
21 views

Mysql Master to Master Configuration Steps

In our project currently we are using Mysql Master to Master replication, both mysql server version is mysql 5.1. we are going to upgrade the replication then our requirement is one mysql server ...
2
votes
1answer
39 views

MySQL Master-Master Replication Slave Thread Issue

I'm currently trying to set up Master-Master MySQL replication between 2 servers, but I'm encountering an unusual issue. I'm getting this error on my MySQL log: Slave: Table 'phpmyadmin.pma_recent' ...
3
votes
0answers
84 views

Restore database by files from broken Ubuntu server

I'm pretty lost right now. The RAID controller auf my server broke and all attached hard drives were corrupted. Luckily I copied the plain files off the server right before the crash (phew). I set ...
0
votes
0answers
36 views

mysqlnd_ms + PLESK + MYSQL connect fails // replication split read/write failed

I am running a centos 6.4 server with plesk panel. I have successfully installed mysqlnd. php -i shows that its correctly using it. I have also installed pecl mysqlnd_ms to split reads/writes. I have ...
1
vote
1answer
21 views

mySQL 'Stop Slave' on Server Reboot

Is there a way in mySQL to issue a 'stop slave' command when the server is rebooted to prevent the replication from getting out of sync? I haven't been able to find anything definitive on this.
1
vote
1answer
24 views

re-enabling a table for mysql replication

We were able to setup mysql master-slave replication with the following version on both master/slave: mysqld Ver 5.5.28-29.1-log for Linux on x86_64 (Percona Server (GPL), Release 29.1) One day, ...
1
vote
1answer
54 views

MySQL replication hung after slave goes offline and comes back online again

I have a master server and several slave servers replicating a single database. I am using in MySQL 5.0 in SLES 11. During fault tolerance testing I found that when the slave's network connection ...
0
votes
1answer
13 views

MySQL keeps starting logger and constantly restarts?

Alright, I have updated version 5.1 to version 5.6 without uninstalling the old one by using update-alternatives. This works just fine on our production/master server, but our replication slave seems ...
0
votes
1answer
63 views

MySQL Replication Stale

I had some interesting problems with Maria DB. 1st I have max_connections in config under section [mysqld] but the value is always 214 (default) after restart. So the problem is I can't defined the ...
1
vote
1answer
329 views

MySQL Replication Over SSH - Last_IO_Errno: 2003 - error connecting to master

I have MySQL MASTER/SLAVE replication working on two test boxes (Centos 6.4 / MySQL 5.5.32) over LAN. Securing the connection over ssh causes connection problems from the SLAVE machine: (Sample of ...
3
votes
1answer
43 views

Is it safe to lock tables on a mysql replica slave?

I have a master mysql database where the application writes and read production data, and then I setup a slave database just in case something goes wrong with the master database server (and I can do ...
1
vote
1answer
136 views

What are the options for any SQL Multi Master Master replication?

I am looking for a proper way to do Multi Master Master replication. I am currently using MySQL but open to switching to Postgres or Oracle if needed. So far the only solution I find is ...
1
vote
1answer
31 views

MySQL replication and replicating MySQL users

I have a MySQL Main Server and a slave server which replicates the main server. My question is, the new MySQL users added to the Main Server do not get replicated to the slave server. How can I make ...
1
vote
1answer
94 views

MySQL Master-Slave Replication

I am trying to set up highly-available master-slave MySQL replication. I plan to have two servers on different networks with one running as master and the other running as slave like so: A ...
1
vote
0answers
66 views

How to prevent bad queries from breaking replication?

For my personal experience, mysql replication is fragile. I know that there area many things not to do beacuse they could break replication, but we are humans and an error could always occur. So I ...
0
votes
3answers
88 views

mysql master-master setup as a way to simply master-slave promotion

I'm trying to see if the following plan is viable. Goal here is to be able to do HA (uptime) and not necessarily for load -- writes are fine on one MySQL 5.5 server (with innodb) but not really ...
1
vote
1answer
157 views

MySQL slave server not removing old relay binlogs

I have a MySQL server with slave replication on another host. Today I stumbled across the high disk usage of the slave host and invastigated what takes up all the space. As it turns out this space is ...
0
votes
0answers
47 views

Switching MySQL replication to new master

Today I've been trying to switch replication from an existing slave to a new master Everything goes okay with setup but I keep getting this error: Got fatal error 1236 from master when reading data ...
0
votes
1answer
60 views

MySQL Slave not processing relay logs fast enough

I have a Master-Master cluster with 2 Percona 5.5.30 servers. (Lets name them 1 & 2) The OS is FreeBSD 9.1 I have an issue that server 2 is not processing the relay log fast enough. I know that ...
0
votes
2answers
320 views

MySql server master-master seconds_behind_master jumps

I'm running a 4 servers master-master cluster of MySql. (2 servers version 5.1, and 2 version 5.5) While checking the slave status, i see the seconds_behind_master at 0, and half a second after i see ...
1
vote
1answer
68 views

How to properly migrate mysql server?

Currently I am dealing with server migration. I have mysqldump --all-databases dump, which contains also mysql and might be information schema databases. All I need is somehow safely and fast ...
0
votes
0answers
99 views

MySQL replication & logrotate

I'm using MySQL Master-Slave replication for backup purposes (for a few days). Today after changing to expire_logs_days = 3 on master and slave I got this message (from slave): ...
0
votes
1answer
73 views

Is there a log to see when a user is trying to access file/directory that he doesn't have permission?

My database is failing to replicate and the only clue in the error log is Operation Not Permitted, which I am guessing is file access permission failure either on donar or joiner. Is there any file ...
-1
votes
1answer
56 views

MySQL won't start if I set the log_bin

[mysqld] datadir=/db_vol/datadir socket=/var/lib/mysql/mysql.sock port=3306 server_id=1 log-bin=/db_vol/log/mysql-bin.log binlog-do-db=mydb When I try to start MySQL, I get an error that says MySQL ...
0
votes
1answer
416 views

How to stream and record MySQL binlog remotely

For data redundancy goals, I want to record the binlog of a few hundred mysql servers in a central location. To run a full replicator for each stream would require lots of resources (multiple servers) ...
0
votes
3answers
730 views

MariaDB Galera Cluster

I ma trying setup MariaDB in cluster but looks like I stuck on this error: #mysqld -u mysql 130407 21:36:24 InnoDB: The InnoDB memory heap is disabled 130407 21:36:24 InnoDB: Mutexes and rw_locks use ...
0
votes
0answers
185 views

Mysql Replication Not Working

I setup Mysql Master Slave Replication but on my slave server I am continously getting below error, I tried all possibles but no luck. FYI I am using Percona Mysql 5.0.92-50-log 130405 5:36:54 ...
1
vote
1answer
88 views

syncing specific tables between two already-replicating MySQL clusters

I have a circularly replicating MySQL cluster, and a newer cluster of Percona XtraDB instances that we're in the process of moving to. During the move, we're running some projects on the old cluster ...
0
votes
1answer
61 views

MySQL Slave Not Replicating

I had a deleted some data on the master mysql. Looking at the slave status, it shows this: mysql> show slave status \G; *************************** 1. row *************************** ...
0
votes
1answer
104 views

How can I estimate binlog size and whether binlogs should be on a separate disk?

We are about to setup MySQL Master-Slave replication on our production database. We intend to run backups from the slave (at the moment our master lags out for 15 mins every day whilst backups are ...
0
votes
1answer
96 views

Make heartbeat check MySQL replication lag before resource takeover

I am using heartbeat with MySQL master-master configuration, and using mon to check up on MySQL health. All works well for detecting downed host or broken MySQL. But the problems start after takeover, ...
1
vote
2answers
527 views

PHP mysqlnd on Debian 6

I've installed php5-mysqlnd via: apt-get install php5-mysqlnd This is a brand new virgin Debian install with just apache2 and php5 via: apt-get install apache2 echo "deb ...
0
votes
2answers
80 views

How to proceed setting up a secondary mysql linux slave?

I have a mysql database master and slave in production. I want to setup additional mysql slave. There is around 15 Terabyte of data in the database and there are MYISAM and InnoDB tables in the ...
1
vote
1answer
177 views

MySQL Data Center Replication [closed]

I have a (possibly not so quick question) about the best way to set up a 'global' MySQL Database. I basically need to set up multiple MySQL servers in separate geographical locations that will all ...
0
votes
2answers
162 views

Synchronisation between MySQL databases on different hosts

I want to solve a data replication/data sync problem between two MySQL server instances. Both of them have the same database structure (databases, tables, columns, everyting ...) but each of them has ...
0
votes
1answer
321 views

MySQL replication lag increasing

I have simple master-slave replication setup. Everything worked with no problems for more than a year. Few days ago replication lag started to rise and it's still rising with no obvious reason. ...
1
vote
1answer
405 views

MySQL error 2003 over ssh tunnel when replicating, not when using client

I am trying to set up replication on a MySQL server over an SSH tunnel. I've set up a port forward on the slave from port 7777 at localhost to port 3306 on the master, and I can connect to my ...
1
vote
3answers
268 views

How to check if MySQL replication is using SSL

I have a MySQL (actually mariaDB) install that I just started replicating to another server. I want to ensure that I've setup SSL correctly. The SSL portion of SHOW SLAVE STATUS looks like: ...
2
votes
2answers
373 views

How do I handle mysql replication in EC2 using private IPs?

I am trying to set up a mysql master/slave configuration in two EC2 instances. However, every time I reboot an instance, the IP address (and hostname) changes. I could assign an Elastic IP address, ...
1
vote
2answers
71 views

What is the best time to set the IP address for a server headed to a server colocation facility?

What is the best time to set the IP address for a server? I have a server that I am going to install the OS on and then I am going to send it to a server colocation facility. The server is going to ...