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srv0srv.c, srv0srv.h:

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Change srv_flush_log_at_trx_commit to ulint, note that ibool is defined as ulint, so this is purely formal change
os0file.c:
  Start using unbuffered i/o again in Windows because sequential read using normal i/o was 4 times slower in XP


innobase/os/os0file.c:
  Start using unbuffered i/o again in Windows because sequential read using normal i/o was 4 times slower in XP
innobase/include/srv0srv.h:
  Change srv_flush_log_at_trx_commit to ulint, note that ibool is defined as ulint, so this is purely formal change
innobase/srv/srv0srv.c:
  Change srv_flush_log_at_trx_commit to ulint, note that ibool is defined as ulint, so this is purely formal change
This commit is contained in:
unknown
2002-09-11 16:07:52 +03:00
parent 6a06c4c534
commit 686a758f65
3 changed files with 17 additions and 8 deletions
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2
innobase/include/srv0srv.h
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@ -53,7 +53,7 @@ extern ulint srv_n_log_files;
extern ulint srv_log_file_size; extern ulint srv_log_file_size;
extern ibool srv_log_archive_on; extern ibool srv_log_archive_on;
extern ulint srv_log_buffer_size; extern ulint srv_log_buffer_size;
extern ibool srv_flush_log_at_trx_commit; extern ulint srv_flush_log_at_trx_commit;
extern byte srv_latin1_ordering[256];/* The sort order table of the latin1 extern byte srv_latin1_ordering[256];/* The sort order table of the latin1
character set */ character set */

21
innobase/os/os0file.c
View File

@ -15,8 +15,6 @@ Created 10/21/1995 Heikki Tuuri
#undef HAVE_FDATASYNC #undef HAVE_FDATASYNC
#undef UNIV_NON_BUFFERED_IO
#ifdef POSIX_ASYNC_IO #ifdef POSIX_ASYNC_IO
/* We assume in this case that the OS has standard Posix aio (at least SunOS /* We assume in this case that the OS has standard Posix aio (at least SunOS
2.6, HP-UX 11i and AIX 4.3 have) */ 2.6, HP-UX 11i and AIX 4.3 have) */
@ -500,14 +498,25 @@ try_again:
} }
#endif #endif
#ifdef UNIV_NON_BUFFERED_IO #ifdef UNIV_NON_BUFFERED_IO
attributes = attributes | FILE_FLAG_NO_BUFFERING; if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) {
/* Do not use unbuffered i/o to log files because
value 2 denotes that we do not flush the log at every
commit, but only once per second */
} else {
attributes = attributes | FILE_FLAG_NO_BUFFERING;
}
#endif #endif
} else if (purpose == OS_FILE_NORMAL) { } else if (purpose == OS_FILE_NORMAL) {
attributes = 0 attributes = 0;
#ifdef UNIV_NON_BUFFERED_IO #ifdef UNIV_NON_BUFFERED_IO
| FILE_FLAG_NO_BUFFERING if (type == OS_LOG_FILE && srv_flush_log_at_trx_commit == 2) {
/* Do not use unbuffered i/o to log files because
value 2 denotes that we do not flush the log at every
commit, but only once per second */
} else {
attributes = attributes | FILE_FLAG_NO_BUFFERING;
}
#endif #endif
;
} else { } else {
attributes = 0; attributes = 0;
ut_error; ut_error;

2
innobase/srv/srv0srv.c
View File

@ -96,7 +96,7 @@ ulint srv_n_log_files = ULINT_MAX;
ulint srv_log_file_size = ULINT_MAX; /* size in database pages */ ulint srv_log_file_size = ULINT_MAX; /* size in database pages */
ibool srv_log_archive_on = TRUE; ibool srv_log_archive_on = TRUE;
ulint srv_log_buffer_size = ULINT_MAX; /* size in database pages */ ulint srv_log_buffer_size = ULINT_MAX; /* size in database pages */
ibool srv_flush_log_at_trx_commit = TRUE; ulint srv_flush_log_at_trx_commit = 1;
byte srv_latin1_ordering[256] /* The sort order table of the latin1 byte srv_latin1_ordering[256] /* The sort order table of the latin1
character set. The following table is character set. The following table is