MySQL's Standard Dump/Backup Utility

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1answer
359 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
1answer
639 views

adding another table to existing MySQL replication scenario

I'm running a simple MySQL replication scenario MASTER ➙ BLACKHOLE ➙ SLAVE, replicating only a number of tables via replicate-do-table on BLACKHOLE and SLAVE. Now I would like to add several more ...
3
votes
1answer
2k views

How to speed up a loading data into MySQL from a zipped archive

I dumped a large database to an archive with: mysqldump --compress --max_allowed_packet=500M -h myhost mydb | gzip > /tmp/mydb.sql.gz This took about 10 minutes to run, and generated a file ...
3
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2answers
835 views

MySQL corruption even after full dump and re-import

We have a production issue where MySQL has started spitting InnoDB corrupt page errors and falling over. The error message seem to relate to indexes so I assume the data itself is ok and when I ...
3
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1answer
3k views

MySQL - LOAD DATA INFILE - Handling unescaped NULL in INFILE or creating INFILE with escaped NULL

I am selecting data from a database on server A, dumping the output into a file locally, and then doing a LOAD DATA INFILE on my local database. The bash command looks something like this: mysql -e ...
3
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1answer
30 views

Issue with running multiple mysql commands in a bash for loop

I try to restore some .sql backups using a shell script with a for loop. I run by bash command.sh 'password' using the command.sh below. However, when I typed it out, it didn't run and instead, mysql ...
3
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3answers
3k 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 ...
3
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1answer
1k 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 ...
3
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1answer
469 views

how to verify mysql backup file

Is There any tool to verify the backup taken using mysqldump without manual restoration ? I have to take full backup daily so it is difficult for me to verify the backups daily by restoring them. As ...
3
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1answer
585 views

mysqldump freezing on a specific table

I dumped a database (sys_data) which is very big (800GB, all data in one ibdata file) from a remote server. But the dump was blocked at a table (tb_trade_376). My dump command: mysqldump -uxx -pxx ...
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2answers
2k views

Compare two MySQL dump files

I am trying to compare two MySQL dump files. One was made from a fresh install of a web application and the other is a dump from the same web application that has been upgraded from a previous version ...
3
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2answers
15k views

mysqldump: Error: 'Can't create/write to file

Can't create temporary files on /var/tmp. mysqldump: Error: 'Can't create/write to file '/var/tmp/mysql.k6NKGk/#sql_5dc_2.MAI' (Errcode: 2)' when trying to dump tablespaces On my OS. id mysql uid=...
3
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1answer
869 views

MySQLDump wrong dump

i'm trying to generate a dump from my database but when i try to load the dump file it gives me an error. What should i do ? My MySQL ( loader) version is mysql "Ver 14.14 Distrib 5.1.57, for apple-...
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4answers
85 views

Is mysqldump a “hot” backup kind?

I see in the documentation that the database backup tools are divided into four categories: hot backups, cold backups, physical backups and logical backups. I understand the the most important ...
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0answers
72 views

mysqldump with --skip-grant-tables

It appears the files in my /var/lib/mysql/mysql are borked, and I can only start mysqld with --skip-grant-tables. Now I want to export all tables with mysqldump --all-databases, wipe and reinstall ...
3
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3answers
8k 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
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1answer
2k views

Load different date formats in mysql

I have a date field in my datafile which I am trying to load in MySQL, but the date field is in dd-mon-yy format and MySQL only understands YYYY-MM-DD. Is there a way by which I can load DD-MON-YY ...
2
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2answers
2k views

mysqldump: flush-privileges option

I'd like to get some clarification about the --flush-privileges option for mysqldump. Here's the description of the option from the MySQL docs: --flush-privileges Send a FLUSH PRIVILEGES ...
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3answers
149 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 ...
2
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2answers
760 views

MySQL, import SQL dump with another database

I have an SQL dump of db1 that contains this line: "USE db1" If I import that file into db2 with: mysql -D db2 -uroot -p < /var/backups/db1.sql.gz Is there the risk that db1 will be overriden?
2
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3answers
438 views

Mysqldump treats some table as View

When doing a mysqldump, some tables are being skipped because mysqldump treats them as View rather than Table although they're 100% tables. So for some tables it looks like -- Retrieving table ...
2
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1answer
5k 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 ...
2
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3answers
2k views

Backup / Export data from MySQL 5.5 attachments table keeps failing!

Can anyone please help! - I have a large table in a MySQL 5.5 database. It is a table which holds a mixture of blobs/binary data and just data rows with links to file paths. It has just over a million ...
2
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1answer
255 views

How to change the create and use statement in a large sql file without opening it

I need a way to change the schema name which appears in create statement and use statement of mysql dump file. The goal is having the database restored with a different database name on another server....
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2answers
732 views

MySQL : How to restore mysql dump (.sql) ignoring DROP TABLE statement?

I am trying to restore multiple mysql dump (.sql) files. Data in each dump file are from the same table, but with different ID (primary key) range. For example, > 1.sql (0 < ID && ID &...
2
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2answers
599 views

Mysqldump throwing error 'Couldn't execute 'ROLLBACK TO SAVEPOINT sp':

Can any one please explain what is happening with our DB dumps? We are executing dump as below mysqldump -v --single-transaction --quick --lock-tables=false --skip-triggers -uXXX -pXXX $...
2
votes
1answer
8k views

Any known issues upgrading from MySQL 5.1.73 to 5.6.21?

I am planning my MySQL DB ver5.1.73 running on a CentOS 6.5 machine to MySQL 5.6.21. I understand the basic procedure for this based on what I have read on StackOverflow, but I was curious if anyone ...
2
votes
1answer
426 views

Backup everything except one record

I want to backup my database except t1 table's one record (where option='siteurl'). I'm trying mysqldump's --where command. mysqldump -u root --skip-extended-insert --where "option='siteurl'" ...
2
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2answers
501 views

How does mysqldump take place when there are more than one database?

I'm writing a shell script wherein I'm doing a mysqldump of all databases. My questions are: Are the tables of all databases in the server locked during the mysqldump? If I have to do an ...
2
votes
1answer
771 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 ...
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1answer
2k views

Is there any risk associated with stopping mysqldump incomplete?

I started to backup 30GB table at wrong time and now I want to stop it because it is estimated to take 7.5hours. I used following command and options: mysqldump -u db -p user table --hex-blob | gzip> ...
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3answers
4k views

How to detect a running mysqldump?

Here are the things I can't change: We got a mySQL myISAM replication running a master and some slaves. One slave is being used for nightly backups using mysqldump. The backups is using heavy locks ...
2
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1answer
4k views

mysql db backup excluding specific tables

Are there any mysql scripts for taking a database backup by excluding specified tables? Also, what is the best way to take backup of a running mysql system?
2
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1answer
53 views

Database Dump/Backup but only to specific records?

This question is about MySQL Backup (or Dump) whereby i want to backup and store information from only information related to a person; SchoolA from the School Table in this example. So, I should not ...
2
votes
1answer
938 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 ...
2
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1answer
227 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 ...
2
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2answers
803 views

How to batch multiple insert statements for database dump with MySQL?

I have a MySQL database with some large tables. In particular, the largest table (by far) currently has ~11,000,000 rows. According to the a query I ran, the table clocks in at around 1.7GB, but it's ...
2
votes
1answer
60 views

mysqldump confusion

I must be missing something. The line I keep seeing everywhere for a consistent backup is: mysqldump --single-transaction --all-databases > alldbs.sql Yet the MySQL docs indicate --opt is on by ...
2
votes
3answers
2k views

Converting live MyISAM table to InnoDB

I have a table that tracks web traffic. The table is constantly written and read from. Since table is pretty big in size I have to make sure the application will not "freeze" in the process of ...
2
votes
1answer
6k views

Issue on mysqldump in MySQL5.6

I did upgrade the MySQL server from 5.5 to 5.6 I am trying to take dump for a table like this mysqldump -uroot -p dba admin > D:\admin.sql But it gets following error mysqldump: Couldn't ...
2
votes
1answer
4k views

mysqldump: Got error: 1017: Can't find file: 'drupal_install_test' (errno: 2) when using LOCK TABLES

I'm trying to backup a drupal site database but I'm having some issues. When I ran the following command: mysqldump -uroot -p drupaSite > drupaSite.sql I get the following error: mysqldump: Got ...
2
votes
1answer
711 views

MySQL backup InnoDB

I have a VoIP server running 24x7. At low peak hour at lease 150+ users are connected. My server has MySQL running with InnoDB engine on Windows 2008 platform. I like to take at least 2 times full ...
2
votes
1answer
764 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 -...
2
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1answer
3k views

Can I mysqldump an entire database while using where='condition' on individual tables?

I have used mysqldump to dump an entire database, However, when I want to use --where=condition", on individual tables, I have dumped individual tables mysqldump --where='condition' mydb table >...
2
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2answers
538 views

mysqldump reimport isnt working correct

I am trying to restore this database with my sql file I have...yet just get this output with it not importing anything into my db. Thoughts? [root@domU-12-31-39-0B-06-AA data]# mysqldump --host=...
2
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2answers
192 views

mysqldump seems to copy excessively

I have an old_server with 50 databases. I want to create new_server with just 3 databases. When I try using mysqldump, it seems like all the database directories (although they are empty on ...
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2answers
1k views

How to enable all the possible backup options of MySQL

I normally use MySQL Administrator to backup my database. I want to enable all the backup options for the available backup types in MySQL. I noticed that Binary Logging is not running on my PC. How to ...
2
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1answer
243 views

ERROR 1031 (HY000) at line X: Table storage engine for 'TBL' doesn't have this option

I am trying to import mysqldump into following system: # cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) # rpm -qa | grep ^mysql mysql-community-libs-compat-5.7.11-1.el7.x86_64 mysql-...
2
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1answer
63 views

How to mysqldump to a subset of rows in specific table during a complete backup

I have a database (myDB) that holds some tables. During my backup process I have one of those tables that should be filtered. So I want to backup only a subset of rows inside table1, when I backup the ...
2
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1answer
461 views

mysqldump vs mysqlpump

I just heard about mysqlpump - it looks like it was released with MySQL 5.7, however MySQL 5.7 still includes mysqldump. They're both backup programs, but could anyone summarize the main differences? ...