Questions tagged [mysqldump]

MySQL's Standard Dump/Backup Utility

121 questions with no upvoted or accepted answers
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fix `mysqldump: Error 2013: Lost connection` on “cloud” server

I have 6 months of backups left to perform and a single day can take up 200MB in raw mysqldump --extended-insert=false --complete-insert form. If I try to dump more than a day worth of data I get ...
3
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0answers
690 views

How do I restore a mysql dump that was created in xml format?

I have a rather big XML formatted MySQL dump It was created with the --xml param (-X) param of mysqldump. I need to import it in. This article from 2010 indicates that there was no "built in" way ...
3
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1answer
6k 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 ...
3
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0answers
1k 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 ...
3
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2answers
2k views

mysqldbcompare SELECT command denied to user

I am trying to run mysqldbcompare to see the difference between two tables: mysqldbcompare --server1=server1:2016@localhost --server2=server2:2016@localhost user:user --difftype=sql --run-all-tests ...
2
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0answers
100 views

What kind of complications would I face downgrading from MySQL 8 to MySQL 5?

Let's assume I wanted to downgrade to from MySQL 8 to MySQL 5.7. I know this isn't supported, but what kind of complications am I likely to encounter. The docs say, The only supported alternative ...
2
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1answer
817 views

Database size twice as large after mysql dump and re-import

After exporting and re-importing a mysql database, the size of the database on disk appears to be quadrupling in size. Any ideas why this my be? This is occurring when importing the sql dump right ...
2
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2answers
102 views

mysql dump best practices for development

I have an application that has a large database that includes, among many other tables, a table called content and a table called users. I would like to set up a development environment for this ...
2
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1answer
159 views

Proper Way to Remove Mysql Tables

I was going to ask why mysqldump was trying to write dropped tables but I found that answer from this question, How do you remove reported non existing tables from mysql?. Removing the .frm files ...
2
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0answers
674 views

Prevent mysqldump from writing column-level collate and charset?

Using mariadb 10.x, it looks like the mysqldump utility adds column-level collate even if the table was created without them. Is there a way to suppress this behavior? Table created: CREATE TABLE `...
2
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1answer
124 views

What dump file options or MariaDB setting is slowing down the load of data?

Context: Loading a copy of a legacy DB for a CRUD app at build by Spring Boot. Primary use case is developers testing the CRUD functionality as it is developed. Problem: The loading operation is ...
2
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2answers
1k views

Importing a large mysql dump while replication is running

So we have a simple master/slave mysql replication running between two CentOS Servers. The master has multiple databases. eg.. Database1 Database2 Database3 The issue is we have a mysql dumpfile ...
2
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1answer
1k views

MySQL: error 1118 (42000) row size too large

storage_engine = MyISAM table_type = MyISAM version = 5.1.25-rc database_name.sql dump size is 3.3G: mysqldump -u user -p database_name > database_name.sql When I try to restore the database (...
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0answers
113 views

Unable to create backup with mysqlbackup.exe (MEB)

I am not able to create a backup with the mysqlbackup.exe The command: Z:\path\mysql-5.7.11-winx64\bin>mysqlbackup.exe -u dba --host=127.0.0.1 --backup-image=C:\test\backup --backup-dir=%temp%\...
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0answers
2k views

mysqldump show Table doesn´t exist when doing LOCK TABLES

Our server had power outage and after start some of mysql tables was inaccessible. I tried many things but nothing helped and currently i am at freeze point. I used command : mysqldump database ...
2
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0answers
599 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 ...
2
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0answers
319 views

mysqldump restore error

I am getting the error below, while restoring a dump to RDS MySQL 5.6. Dump is taken from MySQL 5.5 originally. I tried restoring twice but same error. Can anyone help ERROR 1064 (42000) at line ...
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0answers
390 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 ...
2
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1answer
131 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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0answers
69 views

Are `--events` and `--routines` really needed to get a `mysqldump --all-databases` of an entire mysql instance?

Several fine answers on here have already exquisitely argued that mysqldump --hex-blob --events --routines --triggers [...] --all-databases should be all - modulo storage-engine considerations - ...
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0answers
448 views

How to take mysqldump with Generated column?

I am getting below error while importing the dump, ERROR 3105 (HY000) at line 82: The value specified for generated column 'column_name' in table 'table_name' is not allowed. When I describe the ...
1
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1answer
103 views

SQL dump loads with Error 1064

Looks like this issue is just the wrong version of MySQL, need to go to 5.5 So I have a backup of an offsite source SQL database. I am not sure how they are preforming the data dump but I am trying ...
1
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1answer
221 views

Import Windows MySQL dump on a Debian Linux server

I created a test database on a Windows computer with MySQL 5.7 and filled it with many data records. Now I created a database dump with mysqldump and wanted to import it on my server (Debian Jessie, ...
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0answers
33 views

How to fully dump mySQL database via workbench?

I am exporting database in SQL file using workbench. Export is done successfully, but when I import data and compare record counts with older database, some of the records are missing. Not all records ...
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0answers
66 views

Mysql dump is not full

I have installed fresh ubuntu 16.04 with apache2.4 and php7.0 on it and then installed mariadb. Here is version: mysql Ver 15.1 Distrib 10.0.35-MariaDB, for debian-linux-gnu (x86_64) using readline 5....
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0answers
241 views

My node js server stops listening on mysql db

I implemented a listener on a table in a MySQL database with a MySQL event that is based on listening on binlog. However, the problem is that after a while my node.js server stops listening on the ...
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0answers
614 views

mysqldump incremental backup — slight confusion

I am Avinash, I have a slight confusion about incremental backups. I am going through the MySQL 5.7 Docs to study the backup process using mysqldump. I am not using any master-slave configuration. I ...
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0answers
46 views

mysqldump dies on the same row. Analyze is fine. Timeouts are long

I have an innodb table with about 70M rows. Recently a cron job to back it up with mysqldump started failing at the same row. Mysqlcheck also fails. Mysqlanalyze runs fine and prints OK. Alter ...
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0answers
182 views

Bash Script gives error in a loop passing thru multiple Mysqldump

The script I'm experiencing an issue with this bash script: dump_all_dbs(){ $DOMAIN="mysql.domain.com" $DBS_FOLDER_BK="$HOME/_backup/" $DATA=("'1' 'dbname' 'dbuser' 'dbpassword' 'Yes'" "'...
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0answers
190 views

Attempt to use mysqldump results in usage suggestions only

I attempted the following: mysqldump -u root -p sa -n -d -t --routines --skip-triggers --all-databases > C:\backups\MySQLStoredProc.sql but only received back; Usage: mysqldump [OPTIONS] ...
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0answers
344 views

Loading MySQL Dump From one Character Set to Another

As you can see from these configuration differences, the MySQL server is configured with latin1, while the MariaDB server is using utf8mb4: Variable MySQL Server MariaDB Server ...
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2answers
401 views

Determine size of mysqldump prior to dumping

This question is a followup on this previous question. Q: How can I determine or estimate the size of the SQL dump file prior to using something like mysqldump? I have tried using the most upvoted ...
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2answers
424 views

Large MYSQL DB on single file

I have a large MYSQL innodb database (115GB) running on single file mode in MySQL server. I NEED to move this to file per table mode to allow me to optimize and reduce the overall DB size. Im ...
1
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1answer
159 views

Grabbing SQL Dump of Master DB Without Downtime

I'm curious whether downtime will be necessary to grab a SQL dump of my master database. Right now, I'm in the process of rebuilding my one slave. There is actually only one database from master that ...
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0answers
66 views

MySQL master to slave dump fails when done over SSH pipe

When we need to [re]build a MySQL-5.5 slave, our usual approach is this (CHANGE MASTER TO / START SLAVE omitted for clarity): master$ mysqldump -uroot -p --all-databases --master-data > dump.sql ...
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2answers
868 views

Export and Import large database from one rds of amazon to newly created amazon rds

We are facing some issue. We would like to export and import mysql database "xyz" from old rds say xyz-rds to newly created rds say abc-rds (mysql). We are approaching common method taking full ...
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0answers
421 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
727 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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0answers
1k 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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0answers
1k 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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0answers
160 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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0answers
1k 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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0answers
265 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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1answer
801 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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0answers
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MySql uncomplated Upgrade Error

I faced showed bellow error every apt upgrade. An mysql server frequently down. I try backup my database with mysqlpump, this backup not contain tables values. Only table construct. How can I fix this ...
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2answers
53 views

How import mysqldump .sql file into MySQL 5.7 when exported from MySQL 8

I accidentally installed MySQL 8 and did a ton of work there, creating a lot of data. I then backed up all of the databases using mysqldump. Later, I realized that I needed to downgrade back to MySQL ...
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0answers
21 views

Convert SQL database to a newer version

My new hosting has been having issues importing my wordpress database and are getting errors. The current export is.. -- MySQL dump 10.16 Distrib 10.1.31-MariaDB, for debian-linux-gnu (x86_64) And ...
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1answer
43 views

MariaDB/MySQL: Import from dump (.sql) file remotely via network

After I set my.ini file following the answer by Rolando here : https://dba.stackexchange.com/a/83385/191579 , today I managed to import about 40GB+ sqldump file in around 2-3 hours only. While on a ...
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1answer
21 views

MySQLdump Exclude master-data

Is it possible to exclude the master data from a mysql dump? From the manual it seems like the only options are commented out or present. I don't need the data at all because it is going to a static ...
0
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1answer
163 views

mysqldump vs mysqlbackup

I am using MySQL v5.6.x. and using mysqldump takes a long time to dump and restore the db and does not seem practical for DB size larger than 50GB. It looks like the mysqlbackup utility that comes ...