…=’salaries’; +————+ | ROW_FORMAT | +————+ | Compact | +————+ ~/recovery-tool# ./page_parser -5 -f data/salaries.ibd Opening file: data/salaries.ibd: [...] 71.43% …InnoDB the deleted rows are not lost. You can recover them from the original tablespace and also from an ibd file…
Post: A recovery trivia or how to recover from a lost ibdata1 file
… running with innodb_file_per_table so the data itself was available. What they could provide us was: all the tables ibd files (Nearly 200 of them, 40 GB of data) the schema in sql format No remote access Their… alter the table definition from MyISAM to Innodb Discard the tablespace Replace the table ibd file with the one provided by the customer…
Post: Testing InnoDB "Barracuda" format with compression
… with mysqldump, final size 30286M. To create InnoDB compression table I use ENGINE=InnoDB KEY_BLOCK_SIZE=8 and to test fast… dump into table with default format and all indexes (case 1) – 152m34.792s size of final .ibd file for (case 1) – 43032M What if load data and indexes separately: load dump into table with default format and without…
Post: How much space does empty Innodb table take ?
… having very small Innodb tables – they will take much more space than MyISAM. So .ibd file we get in …=InnoDB DEFAULT CHARSET=utf8 mysql> show table status like “test_innodb” \G *************************** 1. row *************************** Name: test_innodb Engine: InnoDB Version: 10 Row_format…
Post: Adjusting Innodb for Memory resident workload
… for XTRADB. Preload It is possible to preload all innodb tables (ibdata, .ibd files) on the system start – this would avoid warmup problem and also make crash recovery fast even with very large log file… which can be done without changing Innodb core logic significantly or storing on disk storage format at all. This is just an…
Comment: table_cache negative scalability
… have this many InnoDB tables: [root@xxx /db/mydata]# find -L . -name “*.ibd“|wc 31014 31014 1144412 Innodb is handled differently …_long_format # Innodb innodb_status_file = 1 innodb_file_per_table = 1 innodb_data_home_dir = /db2/innodb innodb_log_group_home_dir = /db-logs/ibdlogs innodb_data_file_…
Comment: table_cache negative scalability
… have this many InnoDB tables: [root@xxx /db/mydata]# find -L . -name “*.ibd“|wc 31014 31014 1144412 Innodb is handled differently …_long_format # Innodb innodb_status_file = 1 innodb_file_per_table = 1 innodb_data_home_dir = /db2/innodb innodb_log_group_home_dir = /db-logs/ibdlogs innodb_data_file_…
Post: Statistics of InnoDB tables and indexes available in xtrabackup
…`,`link_id`) ) ENGINE=InnoDB AUTO_INCREMENT=26141165 DEFAULT CHARSET=utf8; And size of file is about 12.88 GB -rw-r–r– 1 root root 13832814592 Sep 10 14:41 link_out104.ibd… index domain_id created for table in Barracuda format with Fast creation method: table: art/link_out104, …

