mysqldump : MySQL's Standard Dump/Backup Utility

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3
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3answers
3k views

Verify mysqldump backup is corruption free

We've got a cron task backing up our Database using mysqldump - my main concern is corruption, short of manually importing and checking the backups each time whats the best way to check / verify a ...
0
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1answer
34 views

Are there any risks on using 'single-transaction' and 'extended-insert' on mysqldump?

I'm new in db administration and I've looked for a faster import of a mysqldump. I had a db with about 1.1 million rows and mostly InnoDB tables and wanted this to import on a managed server. Before ...
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2answers
54 views

ALTER DATABASE script preventing restore of MySQL database in another server

While backing up the database with mysqldump --routines options, I see ALTER DATABASE in the middle of the output dump, near the routines. /*!50003 DROP FUNCTION IF EXISTS `f_my_function` */; ALTER ...
0
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1answer
31 views

Why does mysqldump require drop command?

I am trying to backup a large table and after reading various other answers on this site have tried mysqldump --user=user --password=password dbname1 tablename | mysql --user=user --password=password ...
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2answers
8k views

Taking mysql dump from another machine

I have MySql db on Machine A , I have Mysql credentials. And accessing this MySQL from machine B which I have crdential's. But I couldn't take mysqldump from Machine B. Please help me. Both ae Linux ...
0
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2answers
56 views

Fixing MyISAM database without losing data

My old server was crashed but I was able to recover the databases from MySQL through testdrive. I'm trying to dump a database using mysqldump but it gives error for certain tables are crashed and ...
0
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0answers
67 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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2answers
52 views

understanding mysqldump auto-backup performance issues and inner functionality

Is there a performance issue, if I run a cronjob in background with mysqldump --single-transaction with a 60 seconds interval? Will my original database keep functioning without an issue while the ...
0
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1answer
56 views

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 ...
4
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3answers
10k 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 ...
0
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0answers
75 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 ...
1
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1answer
130 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 ...
0
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1answer
343 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 ...
2
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1answer
34 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 ...
1
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1answer
322 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 ...
3
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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 ...
5
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0answers
34 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 ...
0
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0answers
46 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 ...
1
vote
1answer
62 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. ...
1
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1answer
21 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. ...
0
votes
1answer
6k 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 ...
0
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1answer
66 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 ...
1
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1answer
232 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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1answer
15 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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0answers
114 views

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 ...
0
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1answer
83 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 ...
0
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1answer
35 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 ...
2
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3answers
95 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 ...
0
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0answers
31 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 ...
0
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0answers
95 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 ...
18
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3answers
40k views

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 ...
0
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1answer
8k 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'@'%') ...
2
votes
2answers
106 views

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 ...
1
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1answer
37 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" ...
4
votes
4answers
12k 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 ...
0
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0answers
53 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 ...
2
votes
1answer
441 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 ...
0
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1answer
39 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 ...
0
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0answers
265 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 ...
4
votes
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 ...
1
vote
1answer
469 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 ...
0
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1answer
94 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.
0
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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 ...
0
votes
1answer
38 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 ...
3
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2answers
294 views

When does creating a .sql backup with mysqldump become too large?

Is there a limit to how large a database can be when executing a .sql backup using mysqldump, or will you run into server problems before that - will the server not be able to take such a large backup ...
2
votes
2answers
540 views

Is there a Successor or an Alternative to mk-parallel-dump?

Just read about mk-parallel-dump in a possibly-outdated version of High Performance MySQL. Sounded great, but when I went to download it I found out that it's deprecated with no equivalent command in ...
0
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0answers
94 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 ...
2
votes
1answer
79 views

Is it possible to gain the precise position of a live mysql database when performing full backup

I have a production database that I usually run fullbackups on once every week. I have bin logs turned on for incremental backups. The production server is on the west coast while business hours are ...
0
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1answer
107 views

Recovering Mysql - how to get a dumpfile from wampserver and none running db

I had the following: - Wampserver/mysql/drupal + batch file with auto backup by use of mysqldump. - Backup was distributed off and online. then : my laptop was stolen :-( and I need to recover ...
0
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2answers
844 views

Access denied to user ODBC, but trying to login as root

I'm trying to do a backup of a MySQL database on Windows, but for some reason it's trying to log me in as ODBC instead of root - does anyone know why? As you can see below the red line, I can login ...