…) mysql> show table status like ‘table‘ \G *************************** 1. row *************************** Name: table Engine: InnoDB Version: 10 Row_format: Compact Rows: 14898977 Avg_row_length: 150 Data_length: 2237661184 Max_data_length… mysql> show table status like ‘table‘ \G *************************** 1. row *************************** Name: table Engine: InnoDB Version: 10 Row_format: Compact Rows: 15120698 Avg_row_length: 147 Data_length: 2237661184 Max_data_length…
Post: Improved InnoDB fast index creation
November 6, 2011 By 4 Comments
…table rebuilds without affecting the table size. mysql> SET expand_fast_index_creation=ON; Query OK, 0 rows affected (0.00 sec) mysql> ALTER TABLE…_format: Compact Rows: 4195067 Avg_row_length: 29 Data_length: 125452288 Max_data_length: 0 Index_length: 278839296 Data_free: 1838153728 Auto_increment: …
Post: Trying Archive Storage Engine
November 12, 2006 By 7 Comments
…Table: *************************** 1. row *************************** Name: requests_061111 Engine: MyISAM Version: 9 Row_format: Dynamic Rows: 8048913 Avg_row_length: 252 Data_length: 2030206088 Max_data_length: 4294967295 Index_length…
Comment: Blob Storage in Innodb
February 10, 2010 By 13 Comments
…: 10 Row_format: Compact Rows: 1 Avg_row_length: 1589248 Data_length: 1589248 Max_data_length: 0 Index_length: 0 Data_free: 0 Auto_increment: NULL Create_time… mysql> alter table comptest row_format=compressed; Query OK, 1 row affected (0.62 sec) Records: 1 Duplicates: 0 Warnings: 0 mysql> show table…
Post: Air traffic queries in InfiniDB: early alpha
November 2, 2009 By 19 Comments
…: 10 Row_format: Dynamic Rows: 2000 Avg_row_length: 0 Data_length: 0 Max_data_length: 0 Index_length: 0 Data_free: 0 Auto_increment: NULL Create_time…. As workaround I tried to create temporary table, but got another error: mysql> create temporary table tq2 as (select Year,Month,count(*) as…
Post: How much memory Innodb locks really take ?
July 13, 2006 By 11 Comments
…: 10 Row_format: Compact Rows: 1638757 Avg_row_length: 61 Data_length: 100253696 Max_data_length: 0 Index_length: 128974848 Data_free: 0 Auto_increment: 1638401 Create_time… in this table and see how long does it take: mysql> begin; Query OK, 0 rows affected (0.00 sec) mysql> select count…
Comment: COUNT(*) for Innodb Tables
July 19, 2012 By 32 Comments
…table status like ‘customers’ *************************** 1. row *************************** Name: customers Engine: InnoDB Version: 10 Row_format: Compact Rows: 11861 Avg_row_length: 222 Data_length: 2637824 Max_data_length…
Comment: Real-Life Use Case for "Barracuda" InnoDB File Format
April 24, 2008 By 11 Comments
…_document_id` (`word_document_id`) ) ENGINE=InnoDB mysql> show table status like ‘document_queries’\G *************************** 1. row …format: Compact Rows: 10027623 Avg_row_length: 4266 Data_length: 42783473664 Max_data_length: 0 Index_length: 43614208 Data_free: 0 Auto_increment: …
Post: How number of columns affects performance ?
September 28, 2009 By 12 Comments
…rows tables certain conversion has to take place when internal data structures are populated (everything but TEXTs/BLOBs is fixed length…one to t99v1 table and repeated the query: mysql [localhost] {msandbox} (test) > select max(t1+0) from t99v1; +———–+ | max(t1+0) | +———–+ | 0 | …
Comment: Database problems in MySQL/PHP Applications
November 6, 2006 By 13 Comments
…_buffer_size = 100M myisam_sort_buffer_size = 100M max_length_for_sort_data=2048 max_sort_length=2048 long-query-time=5 log-slow-queries… = 384M #bdb_max_lock = 100000 # Uncomment the following if you are using InnoDB tables #innodb_data_home_dir = /usr/local/mysql/data/ #innodb_data_file_path…
