Last call to make your voice heard! Our 2022 Developer Survey closes in less than a week. Take survey.

Questions tagged [ibdata]

ibdata : InnoDB's System Tablespace

Filter by
Sorted by
Tagged with
0 votes
2 answers
147 views

Restore database with only ibdata1 file

I need to analyze the client's data and for that requirement client has provided us only ibdata1 file having size around 150MB. I am not aware of table structure and number of tables as of now. After ...
user avatar
0 votes
1 answer
160 views

How to configure InnoDB/MariaDB to not fill ibdata1 with (rollback/undo?) data that is useless in an in-memory database? [closed]

I'm trying to run a tiny (~100-200 MB) database in-memory, but ibdata1 grows out of control. Situation: MariaDB is running on a resource constrained HW (Raspberry, 1GB RAM), storing non-critical ...
user avatar
  • 101
1 vote
2 answers
862 views

MariaDB: how to reduce ibdata file size

I found that My MariaDB's ibdata file keep increasing. So, I've searched for this, and found that innodb_file_per_table should be set as 1. but, my DBMS's configuration has already set as 1; Why ...
user avatar
  • 35
0 votes
1 answer
50 views

How to set up mysql docker container with existing ib* files?

Related to a previous issue, I'm trying to recover some data from existing ib* files from a crashed server. The database version is 5.1.69, so quite old. One of the responses was to install MySQL 5.5, ...
user avatar
0 votes
2 answers
159 views

MySQL one file per table not working

I've followed all of the instructions for enabling the one file per table in MySQL (v8, on Ubuntu 20): Added innodb_file_per_table=ON Restarted MySQL Dumped all databases, one by one. However, when ...
user avatar
0 votes
0 answers
44 views

MYSQL 8 writes on ibdata1 only when no queries

I'm facing a strange behavior with MySQL 8 running in docker: it has a constant 7MB/s write to ibdata1 when no queries are being made (monitored with netdata and filetop-bcc). As soon as I start ...
user avatar
1 vote
0 answers
215 views

Unable to recover MySQL 5.6 (InnoDB) database

I've tried multiple different suggestions from other questions on here, with no luck... This is a MySQL database running version 5.6.41, using the InnoDB engine, and the instance is running out of a ...
user avatar
2 votes
0 answers
454 views

missing ibd files

I'm running mysql 5.6. For reasons entirely my own fault, I've got some missing ibd that make up partitions for several tables. When I try to mysql I get the following messages for the missing ...
user avatar
  • 21
0 votes
1 answer
76 views

Need only single table from ibdata1 file

I currently have a corrupt database on my live site, because a single Table that has gone missing. Table 'test1.catalog_product_index_price' doesn't exist I logged onto my server and downloaded a ...
user avatar
  • 145
0 votes
2 answers
652 views

Cannot recover Database from ibdata file

My Server recently had a Kernel-Panic and I downloaded all the mysql data using the rescue mode. Now when I upload the ibdata1 file and table folders to a local XAMPP Server and click on a table to ...
user avatar
  • 1
2 votes
1 answer
3k views

cannot recover mysql idb file

I recently have an hdd failure and I try to restore Griffith (https://github.com/micjahn/Griffith) database from a /var/lib/mysql/griffith file copy. My new computer uses a more recent version of ...
user avatar
-1 votes
1 answer
7k views

Mysql ibdata1 is broken

I was importing an old SQL into existing schema. But the MySQL service was stopped suddenly. Now I'm not able to start the service. It seems that the ibdata1 file is somehow corrupted. Here are the ...
user avatar
0 votes
1 answer
133 views

Restore MySQL DB from files

I own a raspberry pi 1 running raspbian jessie (SYS_A). Two weeks ago I performed an update of the system (aptitude update && aptitude upgrade, not aptitude dist-upgrade, since I know it ...
user avatar
0 votes
0 answers
389 views

What are possible causes of missing .frm files in mysql?

Recently I faced General error: 1813 Tablespace for table (..) exists. and the solution was to find and remove appropriate .ibd file of trouble-causing table. I wonder why that issue even happened. I ...
user avatar
  • 101
2 votes
1 answer
115 views

Big size difference in ibdata file from live to staging

I have a mysql server running on AWS Instance. The server has a schema of around 8 GB which is the main schema. I have two environments staging and live. The live has only one schema i.e. live_schema ...
user avatar
1 vote
2 answers
3k views

table_name.ibd file size is increasing ( MySQL 5.7.7 Enterprise) ( Innodb Engines)

I am using MySQL 5.7.17 Enterprise edition in RHEL with configuration innodb_file_per_table=ON . So now here i have 2 question : Instead of ibd file per table ,i can see ibdata1,ib_logfile1,...
user avatar
0 votes
1 answer
374 views

shrink ibdata1 in Galera Cluster

I'm having a Galera cluster (3 nodes, but currently using only one), MariaDB 10.0 Galera. However, my ibdata1 is growing HUGE (although using inno_file_per_table=1). Now i want to "shrink" it by ...
user avatar
  • 101
0 votes
1 answer
370 views

Trying to recover a database with just .ibd and .frm files, but no idbata1 file

Trying to restore a WAMP database with just .frm and .ibd files. The uninstall of WAMP left .ibd and .frm files, but no ibdata1 file. I have read several posts here to figure out the process for doing ...
user avatar
1 vote
1 answer
7k views

MySQL InnoDB Error [duplicate]

I'm currently experiencing issues with my server MySQL databases as I keep receiving the following error: InnoDB: The log sequence in ibdata files is higher InnoDB: than the log sequence number in ...
user avatar
  • 11
5 votes
2 answers
1k views

MySQL InnoDB over a Raw Device in an Active/Passive topology

We have an Active/Passive topology where there are two x86 complexes with a shared raw storage, where only one of the nodes in a given moment has an access to the shared storage (AKA the active node). ...
user avatar
  • 103
2 votes
1 answer
92 views

Recover mysql using data folder

One of our MySQL servers died but somehow we were able to recover all the files from it. This server was a slave at one time however we stopped it being a slave so we could use it for housekeeping ...
user avatar
  • 21
1 vote
2 answers
3k views

Large ibdata file in MySQL

I am having MySQL database with all my tables as InnoDB with file_per_table config on. But Still I m seeing huge ibdata file ( ~50GB). All tables are having .ibd file as well. This is a machine I have ...
user avatar
2 votes
1 answer
348 views

ibdata1 increases when firing update queries [duplicate]

I have read a lot of posts which explain that the only solution to stop the growth of an ever increasing ibdata1 file is to: Take a dump of all databases Set innodb_file_per_table in the mysqld ...
user avatar
  • 121
1 vote
1 answer
259 views

innodb fulltext ibdata1 size

I am running mariadb 10 and have a large innodb table with a full text index. I have innodb_file_per_table=ON I've noticed though that the ibdata1 file grows at the same rate as my table file. I ...
user avatar
0 votes
1 answer
2k views

Recovering from removal of ibdata1 [duplicate]

I just upgraded from Debian Squeeze to Wheezy and mysql stopped working. Blindly following some advice without any understanding of what I was doing, I removed ibdata1 in an attempt to solve the ...
user avatar
3 votes
2 answers
6k views

Two MySQL Server accessing same database over NFS

I want to run two separate MySQL instances on two separate machines, but using same data directory over nfs, is it possible with InnoDB Storage Engine? Application operation will assure the following: ...
user avatar
  • 33
0 votes
1 answer
447 views

How does InnoDB store tables in ibdata file? [closed]

There are two tables and their default engine is InnoDB. I want know the following What's inside the ibdata file ? How does InnoDB store these two tables ?
user avatar
  • 11
1 vote
2 answers
5k views

ib_logfile0 and ib_logfile1 got deleted

After restoring from a percona-xtrabackup without a preparation step, ib_logfile0 and ib_logfile1 were not present in the restore data. Therefor during startup the following message is observed: ...
user avatar
  • 11
16 votes
1 answer
60k views

Recover MySQL database from data folder without ibdata1 from ibd files

My WAMP directory accidentally get deleted by another user. Only data folder in MySQLis available. And, in that only database-folders (folders in "\bin\mysql\mysql5.6.12\data\" with name of databases) ...
user avatar
  • 163
1 vote
1 answer
4k views

Recovering MYSQL databases

I needed to reinstall the WAMP server on Windows and in the process it reinstalled MYSQL as well. Now when I login to phpmyadmin, I can see my databases with the tables listed on the left side ...
user avatar
3 votes
3 answers
11k views

Purge old records from mysql ibdata1 file

Is it possible to purge old records from an ibdata1 file without taking down the database attached to it? Records that have been deleted from the database are still present when I scan ibdata1 for ...
user avatar
4 votes
2 answers
4k views

Can I move the undo log outside of ibdata1 in MySQL 5.6 on an existing server?

I've been growing concerned about the large size of ibdata1 that can never shrink even when using file-per-table on innodb Moving the undo log files outside seemed logical but this procedure seems ...
user avatar
  • 271
5 votes
1 answer
8k views

How to prevent "ibdata files do not match the log sequence number"?

I am dealing with a very large set of databases that are all innodb. I've enountered this on mysql restart too many times for my comfort: ibdata files do not match the log sequence number But I've ...
user avatar
  • 271
8 votes
1 answer
3k views

How can Innodb ibdata1 file grows by 5X even with innodb_file_per_table set?

I have innodb_file_per_table set and just today my ibdata1 file jumped from 59M to 323M after I made several changes to an 800M table to reduce it to about 600M. That particular table's .ibd file was ...
user avatar
  • 81
1 vote
1 answer
592 views

mysql ibdata1 file corrupted or increased unusually

We are using MySQL 5.2 version all InnoDB tables. I have observed that ibdata1 file got increased very unusually like occupied 500 GB in 2 days. In last 6 months, it had taken only 6 GB though ...
user avatar
  • 13
4 votes
3 answers
11k views

ibdata1 grows exponentially when innodb_file_per_table is configured

I Have installed a MySQL Cluster with InnoDB (innodb_file_per_table enabled subsequently), but since I switched to innodb_file_per_table, the file ibdata1 grows (2GB at month). Is My my.cnf file is ...
user avatar
  • 63
4 votes
1 answer
1k views

I have multiple ibdata files : What should I do with them?

I have 3 different ibdata files on disk. What is the difference between them? Can I remove some of them? The goal is to migrate the files from C: to E:... I'm on MySQL 5.0.x... Directory of C:\MySQL ...
user avatar
1 vote
1 answer
2k views

Removing/overwriting sensitive data located in already deleted records in ibdata files

As far as I know, using InnoDB tables with innodb_file_per_table = off does not prevent deleted data from being visible in the ibdata1 file. I know this is by-design, and that I could switch the ...
user avatar
4 votes
2 answers
36k views

MySql - Clean ibdata1

I have a database whose entire size is ~44GB, out of which ibdata1 is ~35GB. That doesnt make sense, since the size of the data shouldn't be more than 10GB. I use the following query to get an ...
user avatar
  • 1,453
5 votes
2 answers
6k views

Ibdata usage and Recommendations?

I have a Production server On November 5,2011 the ibdata size was 100G. In Approximate 3 months it is increased to 200G.So it has just doubled its size.So it is a Huge Data.Currently lvm is 251G. I ...
user avatar
  • 9,279