mysqldump : MySQL's Standard Dump/Backup Utility

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1answer
554 views

Why would the size of MySQL MyISAM table indexes (aka MYI file) not match after mysqldump import?

I've been archiving some MySQL (version 5.0.96) MyISAM tables locally and deleting from my server after checking the data. Every time the process has been pretty similar and comes off mostly without a ...
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1answer
2k views

Extremely slow mySql restores

Please bear with me as I ask this question, which looks similar to questions already on DBA@SE. In the current configuration, we have a server (a Linux quadcore box with 4 GB RAM) - Both the Database ...
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1answer
15 views

Setting MySQLDump to keep running in the background after session times out

I'm tryng to set up a new Slave DB by copying another Slave DB. Normally I would simply use MySQLDump to dump the Slave and create a .sql file, then import that into the new database. However, as our ...
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1answer
21 views

How do you dump specific table(s)?

Hi i have a shell script for doing a selected databases backup. Now my requirement is i wanted to take a particular tables in a database to be backed up. Each database backup need to be created in ...
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1answer
26 views

Shell script for partial table backup

I have multiple database in my MYSQL server and i want to take some particular tables backup from each database. can anyone help me in writting a shell script for this scenario.
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1answer
43 views

Dump with special characters in table column name

I'm taking over an old database, and while doing recovery tests from my dump I found out a table is wrongly backed up, the table definition is truncated. Looking at the live db I've found a column ...
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1answer
40 views

MySQL Workbench can either Dump or Restore - How Do I Configure To Do Both?

I have previously posted this question on Stack Overflow, but have not solved the problem. Hopefully it is not incorrect to post it here in the hope that it will be seen by a some different ...
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1answer
2k views

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

I know this might be a duplicate of some other posts. But those solutions didn't work for me and I've lot of issues within those answers. Neither could I comment nor post in there, I'm posting a ...
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1answer
63 views

Mysqldump without slow query

Situation: I currently monitor an instance of MySQL for slow queries. We have a mysql user dedicated to backups which performs a mysqldump, but the mysqldump gets logged as a slow query. Question: ...
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1answer
71 views

mysql database migration of schemas with updated data and structures

I am a newbie with MySQL database dumps and am currently trying to work with data migration between a source schema and a target schema. Assuming the source schema is defined by ...
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1answer
142 views

NDB Cluster seems to ignore foreign_key_checks=OFF

According to MySQL documentation on the local foreign_key_checks variable Beginning with MySQL Cluster NDB 7.3.2, setting this variable has the same effect on NDB tables as it does for InnoDB ...
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1answer
60 views

Myloader command: Table doesn't exist

I took the backup of mysql database using mydumper command: mydumper -B mydb -o /backup/oct3 -s 500000 -c -m -S /tmp/mysql.sock -u root -p password@123 -v 3 Now, I am restoring mysql database ...
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60 views

To configure MySQL Enterprise Workbench for Incremental Backup with Online Backup option

Could not acquire management access for administration RuntimeError:Could not initialize WMI interface: Workbench.wmiOpenSession():Could not connect to target machine. When i am trying to configure ...
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0answers
95 views

Are ZRM (Zmanda Recovery Manager) incremental backups reliable?

I had an issue while restoring incremental backups and I'm wondering if they are reliable. I'm making weekly full backups and daily incremental backups and I needed to restore a single database after ...
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0answers
83 views

mysqldump with --single-transaction seems to be “fixing” InnoDB tables with page corruption - why?

I'm trying to find out what exactly is happening here. I've been intentionally corrupting index pages in InnoDB tables, changing bytes in user record areas that actually contain information (largest ...
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494 views

MySQL dump error (#1005 - Can't create table 'novephp_cz_bv.jos_jquarks_customsets' (errno: 150))

I´m trying dump mysql database from MySQL 5.1. to MySQL 5.5. But I´m getting an error "#1005 - Can't create table 'novephp_cz_bv.jos_jquarks_customsets' (errno: 150)". Problematic part of script is ...
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177 views

restore using mysqlbinlog failing

While doing restore from a MySQL binary log file, it is failing with the following error . mysqlbinlog mysql-bin.000036 | mysql -u root -p asdb ERROR 1032 (HY000) at line 48: Can't find record in ...
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78 views

mysqldump issues with DreamHost

Background: I sought to rename a database on Dreamhost web hosting VPS account. I also wanted to rename a database user for the database to be created above. I followed the approached detailed at ...
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469 views

How do I safely import MySQL data in a directory to a running MariaDB server?

We're integrating another office into ours. That includes some of their data. I have a new installed MariaDB 5.5 server. The data dir = /home/data/MariaDB. I've done a new/fresh install into that ...
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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 ...
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2 views

Very weird Innodb Corruption Issue

I'll try to keep this to the point. System: OPenVZ VPS, debian 6, 512 MB RAM, 50 GB HDD (25GB free) I have a mysqldump dump file (3GB), that was created when the innodb database was working fine. ...
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12 views

Automysqlbackup fix error “Skipping the data of table mysql.event. Specify the --events option explicitly”

I need to fix the mysqldump warning "-- Warning: Skipping the data of table mysql.event. Specify the --events option explicitly.". I found that its because of not specifying whether or not to add ...
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9 views

Getting warning ignoring option '--databases' due to invalid value 'testdatabase' in mysql while importing data

i am getting warning ignoring option '--databases' due to invalid value 'testdatabase' in mysql while importing sql data into a database.Its working fine when I do it on my local machine but same is ...
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56 views

Daily backup with mysqldump

I want a periodic MySQL database backup, but I don't have permission to access ssh. When I try to run mysqldump via command line in Plesk Scheduled Tasks, it only creates a blank file 0 kb sized. I'm ...
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12 views

restore backup from a local machine

Using MySQL server version: 5.0.51a I have a backup of a database (.sql file) in my local machine. It is a 36Gb file. And I need to restore this to a database residing in a server, which is exactly ...
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58 views

Restore MySQL DB from mylvmbackup to .sql dump

Backups of MySQL innodb databases are taken using mylvmbackup and the resulting backup contains the whole mysql folder as per example below: ibdata1 ib_logfile0 ib_logfile1 mysql/ mysql_upgrade_info ...
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36 views

How I do a complete backup restore of MySQL Schema with views and functions?

I am trying to backup a single schema on a Windows server and restore it to an Ubuntu 12.04 Linux server running MySQL 5.5.4. The schema includes views and functions. When I used the MySQL Workbench ...
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229 views

mysqldump: Got error: 1044: Access denied for user 'username'@'localhost' to database 'databasename' when using LOCK TABLES

mysqldump: Got error: 1044: Access denied for user 'username'@'localhost' to database 'databasename' when using LOCK TABLES I am able to loging properly and able to take full backup from SQLyog Tool ...
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114 views

MySQL dump - how to order tables?

It seems that mysqldump dumps tables in sequential order - using the same order tables are shown when running: show tables; I would like to reverse that order - is it possible to do without getting ...
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49 views

Best upgrade path for MySql 4.1 to 5.5?

Background Our production environment runs on a system that nobody wanted to update for a long period of time. With a new sherrif in town, we're going to update it. Production is MySql 4.1 with ...
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722 views

convert SQL file into CSV directly without server

I have a quite big mysqldump file (36G) I know I can use mysql < big_file.sql SELECT * FROM big_table INTO OUTFILE '/tmp/big_table.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED ...
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41 views

mysqldump replace option - ubuntu / mediawiki

I know this is probably a silly question, but I'd like to be sure, rather than make assumptions. There's the option to use 'replace' in a mysqldump, which uses the 'REPLACE' rather than the 'INSERT' ...
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84 views

How to change the domain name or IP address in mysql database in every tables

I was using Openfire chat server in Ubuntu, whose IP address was 192.168.1.15. Then, I wanted to move it to other ip (192.168.1.55), so i took a backup of my database. The database I was using is ...
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109 views

Granting file privilage for an user on amazon RDS(MySQL)

I am having an Amazon setup for my application and I use RDS server which runs MySQL server(Not done by me.Company got it done from some freelance admin). I have a root user created in there but it ...
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231 views

Updating +150,000 rows using .sql file causes ERROR 2013 Lost connection to MySQL server during query

I am using ubuntu 12.04. I have a .sql file that is around 5 megabytes. When I use the command: mysql -u -p -v database query.sql The server prints out the content of the file (because of --verbose) ...
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102 views

MySQLDump and Amazon RDS

I need to dump the contents of an RDS database into a SQL file, and restore that file to another RDS or MySQL instance. On the RDS instance there are a number of databases and users, and I would like ...
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124 views

Error while running automysqlbackup

I have setup automysqlbackup on Centos for a server with approximately 52 databases. I did try to increase the max_connections to 250 and max_allowed_packet to 100M, however that did not solve the ...
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54 views

mysql logs same query multiple times or is it application problem?

I have temporarily switched on logging on the server. The site is used in the US and local time there was 4 in the morning so not many people are using it at that time. What I did was delete any logs ...
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0answers
98 views

Upgrade from mysql 4.1 to mysql 5.5

I was going through upgrade process of mysql server. It is mentioned that to upgrade from 4.1 to 5.5 we need to upgrade step by step like first to 5.0,5.1 ...5.4 and then 5.5. I have some questions : ...
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86 views

MYSQL backup options using mysqldump and mysqlbackup

I'm currently using mysqldump to backup mysql database. I heard that mysqlbackup offers a much much better performance. Unfortunately it requires MySQL enterprise version which is pricy. A few ...
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125 views

Error generating mysqldump with flush tables read lock option

I wrote a simple bash script that generates mysqldump while locking the tables. # Generate mysqldump that will be used on client side Q1="USE test;" Q2="FLUSH TABLES WITH READ LOCK;" Q3="SYSTEM ...
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687 views

MySQL - Out of memory: Kill process 3046 (mysqld)

We run a MySQL (v5.6.17) dump backup every 4 hours, and today noticed: Apr 19 20:09:30 mysql1 kernel: Out of memory: Kill process 3046 (mysqld) score 970 or sacrifice child Apr 19 20:09:30 mysql1 ...
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48 views

SQL Error while restoring big database in Mysql

I have successfully created a MYSQL dump on RHEL 6 machine. The dump file is having 40 GB. When I try to restore it in an UBUNTU machine I got this error.
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256 views

Issues with mysqldump after upgrade 5.5 -> 5.6

A few months ago I updated a MySQL setup from 5.5 to 5.6. Since then I've been having problems with a script that I use to dump the various databases so that I can back them up. The script is a short ...
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1k views

How can I backup/dump MYSQL database with foreign key constraints?

I wanted to take the dump of the MySQL database with all the constraints on that database. The dump (.sql file) I am having right now don't show any reference key(foreign key) relationship. I am ...
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1k views

Incorrect definition of table mysql.event after migrating database to mariadb

I did a mysqldump to dump all databases into a .sql file, then installed a mariadb server. There are no errors after the installation. But after restoring the databases, I started to observe the ...
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166 views

mysqldump & upload to mysql speed impact due to SSD and innoDb?

I am testing an AWS Medium Instance with CentOS (AWS AMI) and comparing it with Hetzner's EX40-SSD (http://www.hetzner.de/hosting/produkte_rootserver/ex40ssd). Software setup on both is comparable( ...
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669 views

How to speed up a mysql restore from large dump file

I have a 350MB msyql dump file that takes over 3 minutes to load. I'd like to speed it up. I've tried using --opt with mysqldump (shaved off 30 seconds). The best I can achieve is 42 seconds faster. ...
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441 views

Trouble converting MySql Database to SQL Server

I have an mysql database that contains 38 tables. I used "SQL Server Migration Assistant for Mysql" tool to convert this database to SQL server Database. I successfully converted 37 tables. Only one ...
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53 views

Phpmy admin not showing my table but mysqldump

I have a db running and suddenly when I go into my phpmyadmin under the db it shows no tables and when I tried to do dump it shows me some of my tables are crash. What is best survival in this case?