mysqldump : MySQL's Standard Dump/Backup Utility

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24
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3answers
11k views

How can I monitor the progress of an import of a large .sql file?

I am importing a 7 GB foobar.sql to restore a table in a local database. $ mysql -h localhost -u root 'my_data' < foobar.sql $ mysql --version /usr/local/mysql/bin/mysql Ver 14.12 Distrib ...
0
votes
0answers
24 views

mysqldump: Got error: 0: when retrieving data from server

I get a the error in the header when the server tries to replicate itself after the backup completes. I have looked at error indexes, but failed to see an explanation for the error code 0. I was ...
0
votes
0answers
104 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( ...
0
votes
0answers
271 views

Export (mysqldump) databases from MySQL version 4.0?

I need to export the schema and data from a MySQL version 4.0.16 DB. I was asked to migrate a database from MySQL version 4.0.16. The database was installed on a Windows XP machine, and I could not ...
0
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0answers
30 views

taking backup of database on remote server gives error

I am currently on a Ubuntu machine (IP is 192.168.1.3) I have databases here I want to export all these databases to another machine in my network I used following command mysqldump --all-databases ...
4
votes
1answer
2k views

Consistent logical backup of databases that use MyISAM and InnoDB engines

I have a question regarding the logical backup of MySQL databases that use both MyISAM and InnoDB. The mysqldump utility supports these two options: --single-transaction - Creates a consistent ...
0
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0answers
45 views

Accidentally I had deleted a database from production server working with MySQL

I have its backup as a full and an incremental backup took using enterprise backup. Is it possible to restore a specific database or else what should I do as an immediate action?
4
votes
2answers
4k views

How to increase fast backup and restore of 500GB database using mysqldump?

There is a database A size of 500GB. Tables in database A contains both MyISAM and INNODB tables. MyISAM tables are master tables and Innodb tables are main transaction tables. Backup and restore ...
6
votes
3answers
4k views

No NULLs, yet invalid byte sequence for encoding “UTF8”: 0x00

I've spent the last 8 hours trying to import the output of 'mysqldump --compatible=postgresql' into PostgreSQL 8.4.9, and I've read at least 20 different threads here and elesewhere already about this ...
3
votes
1answer
223 views

Backing up a 400-500 GB database on MySQL/Amazon RDS?

We have an Amazon RDS small instance for a MySQL datawarehousing database. Database size will be around 400-500 GB very shortly. What is the best way to backup our database? Can it be done ...
3
votes
2answers
876 views

Best practices for backing up a MySQL DB

I've recently discovered that our production web servers that run off MySQL are not being backed up regularly (or at all). I'm used to backing up SQL Server DB's but don't have a ton of experience ...
1
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2answers
1k views

How can I synchronize data between two RDS MySQL databases

I have 2 Amazon RDS MySQL instances, one is MySql v5.5 and the new one is 5.6. I want to upgrade the 5.5 to the 5.6 but you cannot do upgrades at this time, so we are trying to migrate the data. I ...
1
vote
1answer
62 views

Where Mysqldump gets data from

How mysqldump is processing backup? From which all files is it reads data for creating dump? Is the process differs if storage engines are different?
0
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0answers
35 views

Drupal database differential restore mysql

I have several Drupal sites hosted on my shared hosting server. Each site has a dev, test and production instances, with separate Docroots and Apache Vhosts and separate mysql db instances. ...
-3
votes
1answer
50 views

How can I move one table from one database to other database [closed]

I want to move one table in one database to other database using mysql dump on linux terminal How can I go about it ?
0
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0answers
28 views

MySQL connection lock during backup(mysqldump)

Daily durign backup(mysqldump) window. Nagios read only user getting connection time-out(while other users can connect). As soon as backup completes nagios user gets connected. What might be the ...
0
votes
1answer
743 views

passing --single-transaction in mysqldump command line tool

I'm using MySQL GUI tool to backup my innodb database and I use the option '--single-transaction' to get a consistent copy as backup. I have however, noticed that if I backup using command line ...
7
votes
3answers
8k views

Restore mysql database with different name

How can we restore mysql database with different name from mysqldump file. I dont't want to open dump file and edit it. Any other better methods?
0
votes
1answer
180 views

Deadlock from mysqldump --single-transaction, is it possible?

Is it possible to get a deadlock if you ran mysqldump with the argument --single-transaction ? or any other complication ? If it is used to backup a live site with many other querys running at the ...
7
votes
6answers
9k views

slow load speed of data from mysqldump

I've got a moderate size MySQL database with about 30 tables, some of which are 10 million records, some 100 million. The mysqldump of all the tables (into separate files) is fairly fast, takes maybe ...
56
votes
6answers
40k views

How can I optimize a mysqldump of a large database?

I have a symfony application with an InnoDB database that is ~2GB with 57 tables. The majority of the size of the database resides in a single table (~1.2GB). I am currently using mysqldump to ...
2
votes
2answers
336 views

Tool to export data with all relational data?

Is there a tool to export data from selected rows in a table with all data stored in other tables in other tables linked by relational design? The purpose is to ease migrations of bits of data ...
1
vote
1answer
188 views

mysqldump―output details

I am about to write a little program to process database dump files created by mysqldump and I would like to make sure that my expectations about the »anatomy« of mysqldump's output are right. So ...
0
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0answers
59 views

mysqldump with multiple thread

How can I dump Percona mysql server database with multiple thread ? I don't want to use any third party tool or script for safety. Suggest me best, fastest,and safe way to dump and restore my largest ...
0
votes
1answer
84 views

MySQL data retained after OS reinstall

Something strange happened today. I reinstalled my OS and then when I reinstalled MySQL workbench some of my old data was still there. I think the actual local db is empty, but all the connections, ...
0
votes
1answer
69 views

Optimizing and maintaining test databases for a web development team

Right now when we test, we mysqldump from the production database, load it into the test database server, and then use scripts to scrub sensitive data. As the database is getting bigger, this process ...
0
votes
2answers
219 views

How can we check for data integrity when we upgrade from MySQL 4.1 to MySQL 5.5?

By data integrity, I mean: Schema integrity Data (record level) integrity Checksum was an option, but since the storage format for some data types in MySQL 5.5 has been changed, it won't be ...
1
vote
2answers
710 views

how to dump a single stored procedure from a database

I need to create a dump file that contains a single stored procedure from a database. Not all routines from that database
1
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1answer
90 views

mysql: how to copy database and required dependencies

I need to set up an automated copy of a single mysql database (not the whole DBMS). If I use mysqldump to dump and recreate a DB, the copy may be unusable because the user accounts need to also be ...
0
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0answers
387 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. ...
1
vote
1answer
380 views

mysqldump: replace drop table in output with delete?

I am using mysqldump to dump some records in a table: mysqldump mydatabase mytable --where="field=value" this emits script that includes drop table mytable statement. Since I use the --where ...
0
votes
1answer
183 views

Export just rows modified in last month (date defined by user)

I'm asking if it's possible in MySQL to export just rows modified in a period of time for example in the past month, if it is possible, how?
0
votes
1answer
712 views

mysql duplicate entry error 1062 when restoring backup

Sorry, I seen similar threads but I still couldn't find it addressing my issue plus, I needed some more info on this. Requirement: To create an exact replica 'db4' of an existing DB 'db3'. Procedure ...
2
votes
1answer
440 views

mysql works, mysqldump doesn't

I have mysql 5.5 on my ubuntu 12.04 server. This command: mysql -u root -p works perfectly, but this gives me error: mysqldump -u root -p mydb_name > a.sql mysqldump: Got error: 2002: Can't ...
1
vote
0answers
266 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 ...
0
votes
1answer
711 views

Does mysqldump -all-databases include all objects

Does mysqldump -all-databases include all objects ? I have to migrate all databases to new server.
5
votes
7answers
20k views

How to import a .sql file in MySQL?

I am trying to import a .sql file using MySQL Workbench and I get this error: ERROR 1046 (3D000) at line 28: No database selected I have first created an empty database called with the same name as ...
0
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0answers
252 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 ...
-1
votes
1answer
111 views

MySQL Migration from Slave to Master

I recently had a problem with our server. It required us to install a new hard drive, cpanel, and setup the old hard drive as a slave. How can I migrate the mysql database from the slave drive to the ...
2
votes
1answer
355 views

How to prevent high memory, CPU and time consumption by MySQL restore?

I have a local test machine with 2 GB RAM and a dual core processor. I imported a dump on that using mysql -uuser -psecret < script.sql script.sql is a 700 MB file which contains a single ...
1
vote
2answers
2k views

MySQL replication: 'Duplicated entry for PRIMARY key'

Could you please help me to understand why I'm receiving 'Duplicated entry for PRIMARY key' on a slave server after a full re-sync. Basically 'mysqldump' was running almost whole night and then the ...
1
vote
2answers
1k views

What is the best way to recover from a mysql replication fail?

Today, the replication between our master mysql db server and the two replication servers dropped. I have a procedure here which was written a long time ago and i'm not sure it's the fastest method to ...
2
votes
1answer
182 views

Table optimize command crashed MySQL server

I have a large 5GB table on one of my MySQL databases that I wanted to optimize. I went into the console and ran the optimize command and since it's an InnoDB database it cloned the table to a ...
0
votes
1answer
73 views

How we take dump with batch of records option?

we have 30 GB database.we want to take backup of this database. here the question is we want to take the backup batch of every 10k records. How we can take batch of records backup using mysqldump
3
votes
2answers
3k views

Can mysql restore a single table from a large mysqldump?

What is the best way to restore a single table from a large (~5GB) database mysqldump file? update: I have found solutions (posted below) using command line tools to parse the table, but is there a ...
2
votes
1answer
247 views

MySQL Dump/Import progress on Windows

I'm going to dump a considerable big datatabase (7gb) from a MySQL 5.1 instance running on Windows into a .sql script and import it into a MySQL 5.5 instance, also on Windows (another machine). I'd ...
0
votes
1answer
290 views

Is there a system wide way to change MariaDB to create tables using ROW_FORMAT = DYNAMIC

I've got a 700MB dump file from a mysql database that I was trying to undump into a new install of MariaDB and I got this error ERROR 1118 (42000) at line 7481: Row size too large (> 8126). ...
1
vote
1answer
108 views

Using a mysqldump export to create data with a different database name

I am using the following to import database using a mysqldump export: mysql -u root -p example_db < path/to/export.sql I would like to import the database to a database with a different name to ...
0
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0answers
74 views

Make mysqldump create hex-blob output for polygon data

I want to create a database dump with mysqldump where all binary data output is in hex format. I have some tables containing blob data and those tables are dumped into the nice hex format when I use ...
1
vote
1answer
121 views

MySQL import LOCK doesn't prevent PRIMARY key issues

I am using Django and only want to backup mysql data (not it's structure; Django will do that, and it will otherwise mess up Django-South's migration checks). Some info; my tables are almost all ...