diff options
Diffstat (limited to 'storage/innodb_plugin/include/srv0srv.h')
| -rw-r--r-- | storage/innodb_plugin/include/srv0srv.h | 66 |
1 files changed, 57 insertions, 9 deletions
diff --git a/storage/innodb_plugin/include/srv0srv.h b/storage/innodb_plugin/include/srv0srv.h index d4995e6d724..499bccfe2b8 100644 --- a/storage/innodb_plugin/include/srv0srv.h +++ b/storage/innodb_plugin/include/srv0srv.h @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. -Copyright (c) 2008, Google Inc. +Copyright (c) 2008, 2009, Google Inc. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -22,6 +22,32 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *****************************************************************************/ +/*********************************************************************** + +Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved. +Copyright (c) 2009, Percona Inc. + +Portions of this file contain modifications contributed and copyrighted +by Percona Inc.. Those modifications are +gratefully acknowledged and are described briefly in the InnoDB +documentation. The contributions by Percona Inc. are incorporated with +their permission, and subject to the conditions contained in the file +COPYING.Percona. + +This program is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +***********************************************************************/ /**************************************************//** @file include/srv0srv.h @@ -42,7 +68,7 @@ Created 10/10/1995 Heikki Tuuri extern const char* srv_main_thread_op_info; -/* Prefix used by MySQL to indicate pre-5.1 table name encoding */ +/** Prefix used by MySQL to indicate pre-5.1 table name encoding */ extern const char srv_mysql50_table_name_prefix[9]; /* When this event is set the lock timeout and InnoDB monitor @@ -81,14 +107,20 @@ extern char* srv_data_home; extern char* srv_arch_dir; #endif /* UNIV_LOG_ARCHIVE */ -/* store to its own file each table created by an user; data +/** store to its own file each table created by an user; data dictionary tables are in the system tablespace 0 */ +#ifndef UNIV_HOTBACKUP extern my_bool srv_file_per_table; -/* The file format to use on new *.ibd files. */ +#else +extern ibool srv_file_per_table; +#endif /* UNIV_HOTBACKUP */ +/** The file format to use on new *.ibd files. */ extern ulint srv_file_format; -/* Whether to check file format during startup.*/ +/** Whether to check file format during startup. A value of +DICT_TF_FORMAT_MAX + 1 means no checking ie. FALSE. The default is to +set it to the highest format we support. */ extern ulint srv_check_file_format_at_startup; -/* Place locks to records only i.e. do not use next-key locking except +/** Place locks to records only i.e. do not use next-key locking except on duplicate key checking and foreign key checking */ extern ibool srv_locks_unsafe_for_binlog; #endif /* !UNIV_HOTBACKUP */ @@ -111,11 +143,17 @@ extern ulint srv_n_log_files; extern ulint srv_log_file_size; extern ulint srv_log_buffer_size; extern ulong srv_flush_log_at_trx_commit; +extern char srv_adaptive_flushing; + /* The sort order table of the MySQL latin1_swedish_ci character set collation */ extern const byte* srv_latin1_ordering; +#ifndef UNIV_HOTBACKUP extern my_bool srv_use_sys_malloc; +#else +extern ibool srv_use_sys_malloc; +#endif /* UNIV_HOTBACKUP */ extern ulint srv_buf_pool_size; /*!< requested size in bytes */ extern ulint srv_buf_pool_old_size; /*!< previously requested size */ extern ulint srv_buf_pool_curr_size; /*!< current size in bytes */ @@ -123,6 +161,16 @@ extern ulint srv_mem_pool_size; extern ulint srv_lock_table_size; extern ulint srv_n_file_io_threads; +extern ulong srv_read_ahead_threshold; +extern ulint srv_n_read_io_threads; +extern ulint srv_n_write_io_threads; + +/* Number of IO operations per second the server can do */ +extern ulong srv_io_capacity; +/* Returns the number of IO operations that is X percent of the +capacity. PCT_IO(5) -> returns the number of IO operations that +is 5% of the max where max is srv_io_capacity. */ +#define PCT_IO(p) ((ulong) (srv_io_capacity * ((double) p / 100.0))) #ifdef UNIV_LOG_ARCHIVE extern ibool srv_log_archive_on; @@ -215,7 +263,7 @@ extern mutex_t* kernel_mutex_temp;/* mutex protecting the server, trx structs, same DRAM page as other hotspot semaphores */ #define kernel_mutex (*kernel_mutex_temp) -#define SRV_MAX_N_IO_THREADS 100 +#define SRV_MAX_N_IO_THREADS 130 /* Array of English strings describing the current state of an i/o handler thread */ @@ -533,10 +581,10 @@ void srv_export_innodb_status(void); /*==========================*/ -/* Thread slot in the thread table */ +/** Thread slot in the thread table */ typedef struct srv_slot_struct srv_slot_t; -/* Thread table is an array of slots */ +/** Thread table is an array of slots */ typedef srv_slot_t srv_table_t; /** Status variables to be passed to MySQL */ |