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thr0loc.c, srv0start.c, srv0srv.c, srv0srv.h, os0thread.h, ha_innodb.cc:

Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB


sql/ha_innodb.cc:
  Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB
innobase/include/os0thread.h:
  Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB
innobase/include/srv0srv.h:
  Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB
innobase/srv/srv0srv.c:
  Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB
innobase/srv/srv0start.c:
  Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB
innobase/thr/thr0loc.c:
  Backport from 4.1: reduce InnoDB memory consumption if buf pool < 8 MB
This commit is contained in:
unknown
2003-10-17 23:44:34 +03:00
parent 629ced9d81
commit 14affe7e2f
6 changed files with 39 additions and 16 deletions

View File

@ -1087,6 +1087,28 @@ innobase_start_or_create_for_mysql(void)
return(DB_ERROR);
}
/* Set the maximum number of threads which can wait for a semaphore
inside InnoDB */
#if defined(__WIN__) || defined(__NETWARE__)
/* Create less event semaphores because Win 98/ME had difficulty creating
40000 event semaphores.
Comment from Novell, Inc.: also, these just take a lot of memory on
NetWare. */
srv_max_n_threads = 1000;
#else
if (srv_pool_size >= 8 * 1024 * 1024) {
/* Here we still have srv_pool_size counted
in bytes, srv_boot converts the value to
pages; if buffer pool is less than 8 MB,
assume fewer threads. */
srv_max_n_threads = 10000;
} else {
srv_max_n_threads = 1000; /* saves several MB of memory,
especially in 64-bit
computers */
}
#endif
err = srv_boot();
if (err != DB_SUCCESS) {