Linked Questions

0
votes
1answer
499 views

ibdata1 grows big again after using innodb_file_per_table and having shrunk it [duplicate]

After having set innodb_file_per_table=1, dumping and dropping all db's, deleting ibdata1, and restarting mysql ... My ibdata1 file is small at last... However, directly after reading in my dump, and ...
2
votes
1answer
328 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 ...
9
votes
3answers
11k views

Bulk Delete for Large Table in MySQL

I have a Notification table contains about 100 million rows host in Amazon RDS with 1000 IOPS, and I want to delete those rows older than one month. If I do DELETE FROM NOTIFICATION WHERE CreatedAt &...
11
votes
1answer
17k views

MySQL Index creation failing on table is full

UPDATE: tl;dr: The problem was MySQL uses the TMPDIR when creating indexes. And my TMPDIR was the one running out of disk space. Original Q: I'm trying to add an index to an InnoDB table, and ...
6
votes
3answers
5k views

What can cause a rapid drop in RDS MySQL Database free storage space?

How could my MySQL database on Amazon RDS have recently gone from 10.5 GB free to "storage-full" status within about 1.5 hours? It's a 15GB MySQL 5.6.27 database running on a db.t2.micro instance. ...
4
votes
2answers
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 ...
1
vote
2answers
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 ...
1
vote
1answer
3k views

I have delete database from mysql but storage is not freed

I have deleted multiple databases (schema) from mysql on amazon RDS but the storage is not freed, is there anything else I should do to free up the storage? I have a mysql database that the total ...
0
votes
2answers
2k views

troubleshoot high value for mysql innodb pages written per second

Our database is writting about 600 pages a second to its innodb buffer pools. Usually this value is about 10 pages/sec, so the server is experiencing a very high IO utilization, around 50%. Is there ...
3
votes
1answer
2k 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 -...
1
vote
1answer
3k views

MySQL dynamically optimize innodb tables without “file per table” setting

We are getting a “too many connections” error once a week the same time a mysql procedure runs. The procedure runs “optimize table” on hundreds of tables and takes nearly ten hours to finish, taking ...
2
votes
1answer
978 views

mysql directory grow to 246G after one query, which failed due to table is full

I was trying to run the following statement with the hope to create a join of two existing tables. create table CRS_PAIR select concat_ws(',', a.TESTING_ID, b.TRAINING_ID, a.TESTING_C) as k, ...
0
votes
1answer
848 views

Set MySQL option to restore MySQL server after deleting ibdata1

ON an Ubuntu Server 12.10 machine, I had attempted to delete the ibdata1 file before reading Rolando's explanation about how exactly to do so. Specifically, I had not set innodb_fast_shutdown = 0 ...
1
vote
2answers
187 views

Why database size is smaller in RDS

I am trying to move my database from MySQL to RDS MySQL. I do a simple mysqldump to transfer. I use this query: SELECT TABLE_NAME, table_rows, data_length, index_length, round(((data_length + ...
1
vote
1answer
239 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 ...

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