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How can I import a large MySQL dump file into a new database?
If you can’t do that, there are any number of utilities you can find by Googling that help you import a large dump into MySQL, like BigDump Share Improve this answer
Why does mysqldump get a different row number every time?
If that row number comes back in the error message every single time your mysqldump fails, then maybe you can suspect data corruption. However, if your get a different row number with every mysqldump attempt, this suggests mysqldump connection is able to move along the large table and just timeout and some random point.
How to improve MySQL-InnoDB import performance-database?
Concurrency has to reach a sweet spot, not too much, not too little. Try creating your secondary keys afterwards (faster in some cases), do not load indexed data- DISABLE KEYS does not affect InnoDB. If not, monitor your insert buffer (maybe overtaking half of your buffer pool).
How many rows can I import into MySQL?
The mysqldump file data.sql will extended INSERT commands importing 10,000-20,000 rows at a time. I wanted to write a comment (as this is not a definitive answer), but it became too long: I am going to give you several broad pieces of advice, and we can go into details for each one, if you want: Reduce durability (you have already done some of it).
Which is the fastest way to import MySQL database?
The fastest way to import your database is to copy the ( .frm, .MYD, .MYI ) files if MyISAM, directly to the /var/lib/mysql/”database name”. Otherwise you can try : mysql > use database_name; \\. /path/to/file.sql. Thats another way to import your data.
How can I Break a large MySQL dump file into small pieces?
You may give me the idea in php or C or any third-party software to break down the whole dump into small pieces. – TRN 7Dec 5 ’12 at 6:13 usually the ERROR 2006 (HY000) at line 45: MySQL server has gone awayappears on large files and @Kresimir’s answer solves it– Alex PandreaMar 28 ’19 at 17:57
How big is a 43 GB MySQL dump?
My sql size was 43 GB. It worked like charm. – M.A.K. SimantoAug 16 ’16 at 6:43 @M.A.K.Simanto I ended up using a script to break my dump into individual tables and restore from there. just google mysqldumpsplitter.sh– Chris RichardsonAug 24 ’16 at 12:27 1 In my case, it work but i should login to the mysql with database selected.
How to import large SQL dump in PostgreSQL?
This dump was dumped as individual statements (with pg_dump –inserts) –inserts Dump data as INSERT commands (rather than COPY ). This will make restoration very slow; it is mainly useful for making dumps that can be loaded into non-PostgreSQL databases.
How to speed up importing large SQL dump?
The source of your file is pg_dump. The most simply speedup can be taken by using some option when dump is created. Don’t use option –inserts. Copy format is significantly faster for restore You can use custom format -F option. Then you can use pg_restore for restoring and building indexes (most slow operation) parallel.
What are the restrictions for Bulk insert in SQL Server?
The same restrictions and requirements that apply to BCP apply to Bulk insert as well including the requirement for a table to exist that matches the imported data First let’s specify location of the file from which to import the data and the destination database and table:
How to open larger SQL files in MySQL?
In MySQL Workbench, go to File menu, then select “open script”. This is probably going to take a long time and might even crash the app since it’s not made to open things that are as big as what you describe. The better way is to use the commandline.
How to import a large sql file into PHP?
A simpler way to import a large file is to make a sub directory ‘upload’ in your folder c:/wamp/apps/phpmyadmin3.5.2 and edit this line in the config.inc.php file in the same directory to include the folder name $cfg[‘UploadDir’] = ‘upload’; Then place the incoming .sql file in the folder /upload.
How to improve import speed of MySQL Stack Overflow?
You can of course do that as well by exporting and then importing your empty schema first. Get more RAM, get a faster processor, get an SSD for faster writes. Batch the inserts so they will run faster than a bunch of individual inserts. It’s a huge file, and will take time.