mysqldump : MySQL's Standard Dump/Backup Utility

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Backup a huge database 200gb+

i have a mysql database where i need to take a backup of the log database. the problem is the log database i over 200gb and contains over 280 millions of rows, i need right now to remove a kind of ...
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3answers
8k views

Error while restoring a Database from an SQL dump

I am extremely new to MySQL and am running it on Windows. I am trying to restore a Database from a dumpfile in MySQL, but I get the following error: $ >mysql -u root -p -h localhost -D database ...
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19 views

Export MySQL Database with version compatibility

I'm trying to move a MySQL database out of my Win 2012 server & onto a shared hosting web server (Linux). I'm having problems importing the database (which imports fine into other hosted packages ...
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4answers
280 views

Moving large databases

I have a centos server and /var/lib/mysql/ is 125GB (disk has 1GB free space). Ordinarily I would use mysqldump to backup the databases, but I don't normally work with such large databases, so I need ...
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242 views

mysqldump with automatically generated export name

When I do database dumps through MySQL WorkBench it picks a filename for me which is the current date (YYYMMDD). Now, I want to do this in a batch file since I want to make weekly dumps automatically ...
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21 views

Need for backing up MySQL databases information_schema, performance_schema, mysql and phpmyadmin?

I know it's not necessary to backup the information_schema database, but what about the following databases (besides the user-defined databases)? performance_schema mysql phpmyadmin (So, in case ...
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290 views

Why does importing a MySQL dump cause so many I/O?

I imported 100 SQL-format dump files. The total size was 20 GB. The resulting .ibd files after the import had a total size of 40 GB. mysqld.exe wrote 1.1 TB and read 120 GB on the disk. Why so many ...
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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
22 views

Is there an easy way to update a mysqldump file from version 9.11 to 10.11? [closed]

We have a client that has had their servers for soo long, they were still running MySQL 4.0.24. Now that they are refreshing their servers, we took a mysqldump of their current database to put into ...
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2answers
140 views

Using mysqldump on RDS to export a large file in TSV format

I would like to export a single, large table (30GB) from an RDS MySQL server on a regular basis into a TSV file, so that we can load the file into Vertica. However, RDS doesn't provide a way to use ...
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1answer
264 views

Consolidated realtime mysql backup with master/slave setup or binlog

I have 20+ mysql servers and their have low write requirements. So, I want to see if any way I can replicate the data/binlog from these servers to a single slave so realtime backup purpose. If I ...
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2answers
2k views

ERROR 1100 (HY000) at line 11084: Table 'search_index' was not locked with LOCK TABLES

I'm trying to import a mysqldump backup of a drupal database taken from a server running MySQL 5.0 (which will be upgraded to 5.5) onto my local machine running MySQL 5.5.23. The import fails with the ...
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1answer
615 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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0answers
57 views

Best way to restore 400GB+ worth of data in MySQL 5.6

So I'm trying to figure what the best/quickest way would be to refresh a massive amount of data. We're wanting to copy 3 months worth of data from a replication server to a QA server for product ...
0
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1answer
183 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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3answers
4k 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 ...
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14 views

How does mydumper's ''--use-savepoints" option reduce metadata locking

MyDumper 0.6.1 add a new option --use-savepoints. From the manual, it means: Use savepoints to reduce metadata locking issues, needs SUPER privilege I don't understand. How does it "reduce ...
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1answer
719 views

Is it safe to use mysqldump to backup and restore a master-master cluster

Not sure if the specifics matter but just to get it out of the way I am talking about a Galera cluster on XtraDB (MariaDB). I have a master-master setup and am interested in backing up and restoring ...
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17 views

How do I dump my DB without creating temporary files?

My system is showing disk problems, and linux turned my root folder to read-only. Before I reboot, I wanted to backup my mysql DB, just in case I can never access it again after rebooting/checking ...
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1answer
656 views

Proper procedure for migrating a MySQL database to another Debian machine?

I have one server running an older Debian version with MySQL 5.x and a newer Debian server, also running MySQL. I've created a backup of all databases on the first server like so: mysqldump -uuser ...
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1answer
33 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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1answer
16 views

I really can't get rid of these conditional statements in mysqldump?

My mysqldump DDL file is filled with tons of this: /*!50003 CREATE*/ /*!50017 DEFINER=`root`@`localhost`*/ /*!50003 TRIGGER `my_trigger`... I've searched to no avail for an option to silence this. ...
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2answers
1k views

ERROR 1166 (42000) at line 65203: Incorrect column name ''

I have a big snapshot database size is about 44GB in mydata.sql. When I run it overnight, it show this error message: $ mysql -u root < mydata.sql ERROR 1166 (42000) at line 65203: Incorrect ...
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1answer
3k 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
29 views

How to run a mysqldump from a .txt or .sql file inside a command line window?

If I run the follow line directly in command line window it will works good. C:\xampp\mysql\bin>mysqldump -u root d3bi>C:\Users\me\Desktop\test\testDump.sql How can I run a .txt or .sql file ...
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195 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 ...
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1answer
14 views

Import lots of mysqldumps with missing CREATE DATABASE

I have a bunch of mysqldumps of my old server with one database each. Unfortunately we forgot to add CREATE DATABASE ... in all those dumps. How can I import those files in one batch?
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Importing backup(.sql) file into a database. local to remote machine.

I have a database backup(.sql file) in my local machine. It is around 36Gb. And I need to import this backup to a database which is in a remote server, which has a free space of 39Gb. If I try to ...
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1answer
31 views

Are certain environment variables required for mysql login-path?

I created a bash script that backs up my database, db_backup.sh It basically just runs these commands: DB=/home/linuxuser/backups/backupfilename.sql.gz mysqldump --login-path=local db_name | gzip ...
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8 views

mysqldump is not dumping data by default

mysqldump is dumping only the table structures, without data, by default. mysqldump -u user -d database -p Which is the option to dump is with data? How can I configure it, to include the data? (I ...
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49 views

mysqldump Error 2013

I have a database installed, that I would like to backup in mysql. The problem is mysqldump fails on exporting the 'maia_mail' table # mysqldump -u root -p maia > maia.sql mysqldump: Error ...
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75 views

How to dump only the MySQL database structure? [closed]

I am trying to take dump of MySQL database structure using the following commands: mysqldump -d -h localhost -u root -p databasename > dumpfile.sql mysqldump -d -h localhost -u root -p database ...
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17 views

Import database with views and routines into Amazon RDS

I need to import a collection of MySQL DB's into Amazon RDS without downtime. One can do this by initially setting up the RDS instance as a slave. There is one problem, you're not a super user on RDS ...
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38 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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Safest way to perform mysqldump on a live system with active reads and writes?

I'm not sure if this is true but I remember reading if you run the following command in linux mysqldump -u username -p database_name > backup_db.sql while reads and writes are being made to a ...
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1answer
28 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
7k views

Database user specified as a definer

I have a view in my database. problem is below Error SQL query: SELECT * FROM `lumiin_crm_prod`.`v_contact` LIMIT 1 ; MySQL said: 1449 - The user specified as a definer ('lumicrm'@'%') ...
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2answers
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An easy way to select one db dump from multiple db MySQL dump

In an urgent situation another person made a backup of all the databases from my webserver to one *.sql file (MySQL dump). Now I have a ~700 Mb file with about 20 different databases. As I only need ...
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18 views

Get list of excluded databases from command line by asking user

Based on this I'm working on this bash script for export all databases from MySQL but exlude some ones and also system ones. This is how it looks like: read -e -p "Enter MySQL root user: " -i "root" ...
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4answers
10k 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 ...
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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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1answer
85 views

mysqldump doesn't restore database. why not?

Why doesn't my restore operation work? I created a dumpfile for a database using: mysqldump -u root -p databasename > /home/databasename_bkup.sql I then opened the dumfile and confirmed ...
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2answers
99 views

Recommendation for the mysqldump?

I have approx 90 GB of database, I need to schedule a mysqldump backup , thats why I Required a recommendation how much time it takes for the full hot backup? Because I didn't taken that much size of ...
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1answer
23 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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175 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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3answers
4k views

Mysql backup strategies?

We have a innodb mysql database so we are lost with lots of different mysql backup strategies. Some talk about mysqldump some talk about third part tools. Some of the tables we also plan to run ...
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1answer
405 views

Unable to use mysql_upgrade:

I updated mysql recently and found problem related to privileges and backup. When I am using mysql_upgrade command it says- mysqlcheck: Got error: 1064: You have an error in your SQL syntax; check ...
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42 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
1k views

mysql dump a table to remote host [closed]

i want to dump a table from localhost host (with public ip), here is the command so far, the command will be run on localhost mysqldump --opt --host localhost --user=username --password=password ...
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1answer
22 views

Mysql events table

I am trying to create a script to backup all mysql databases. This is the command that I am trying : sudo mysqldump -u user -ppassword --all-databases > /tmp/all-database.sql And this is the ...