May 24, 2012

Comment: How to change innodb_log_file_size safely

… not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files… InnoDB: Restoring possible half-written data…

Comment: Connecting orphaned .ibd files

… -f “/var/lib/mysql/mydb/st_results#P#p_1.ibd” -d mydb -t “st_results#P#p_1″ If doesn… file a bug here https://bugs.launchpad.net/percona-data-recovery-tool-for-innodb

Comment: How to recover a single InnoDB table from a Full Backup

…-dir=/mnt/mysql/export ALTER TABLE data DISCARD TABLESPACE; # replace ibd with the export files SET GLOBAL innodb_import_table_from…://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html InnoDB: for more information.

Post: Friday challenge: ibd recovery

… you feel to train a bit in InnoDB data recovery techniques. I have .ibd datafile which was created by query CREATE TABLE… meaningful de-transformed content is length( … (content) … ) = 15. Can you recovery both email and content fields ? To add some competition I… can propose Amazon 25$ Gift Card as replacement. File tryme.ibd you can download here http://mysqlperformanceblog.com/files/contest/tryme…

Post: A recovery trivia or how to recover from a lost ibdata1 file

…))” test; done Recovering the tables With all this in place, recovery the data was just another Bash script: #!/bin/bash CURRENT…/recover/ chown mysql.mysql /var/lib/mysql/recover/$CURRENT_TABLENAME.ibd sleep 1 echo “importing tablespace” mysql -u root -e “alter… staging) contained an extra column. With a modified schema, the recovery completed. The customer was able to download the tables in…

Post: Connecting orphaned .ibd files

… erroneously removed 2. ibdata1 is heavily corrupted and innodb_force_recovery doesn’t help Chris Calender suggests two methods. The first… InnoDB Recovery Tool. Make sure you’re using the latest version from the trunk. It reads space_id from an .ibd file…/ibdata1 -f /var/lib/mysql/sakila/actor.ibd -d sakila -t actor actor.ibd actor.ibd belongs to space #15 … Skipped output… SYS…

Post: What is the longest part of Innodb Recovery Process ?

In MySQL 4.1 and above the longest part of recovery after crash for Innodb tables could be UNDO stage – it…_file_per_table so “InnoDB: Reading tablespace information from the .ibd files…” stage was taking most of the time. Happily Innodb… longest phase has to do with restarts more than crash recovery as it presents in normal restarts as well – “Opening Tables…

Comment: Connecting orphaned .ibd files

some automation: https://github.com/piotrze/ibd_recovery

Comment: Friday challenge: ibd recovery

Answer; SEO friendly URL: http://www.percona.tv/mysql/answering-vadims-ibd-recovery-challenge

Post: How to recover deleted rows from an InnoDB Tablespace

… in /root/recovery-tool/data. After the compile process we need to copy the salaries.ibd tablespace to the recovery-tool’s data…=’salaries’; +————+ | ROW_FORMAT | +————+ | Compact | +————+ ~/recovery-tool# ./page_parser -5 -f data/salaries.ibd Opening file: data/salaries.ibd: [...] 71.43% done. 2012-02…