mariadb

Tree: b9eeb9b158

unknown b9eeb9b158 Backport patch of bugfix for: - Bug #15815: Very poor performance with multiple queries running concurrently - Bug #22868: 'Thread thrashing' with > 50 concurrent conns under an upd-intensive workloadw This is a patch from an e-mail; it is not included (yet) in an InnoDB snapshot. innobase/buf/buf0buf.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/buf/buf0flu.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/buf/buf0lru.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/include/buf0buf.h: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/include/buf0buf.ic: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/include/sync0arr.h: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/include/sync0rw.h: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/include/sync0rw.ic: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/include/sync0sync.h: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/os/os0sync.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/sync/sync0arr.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/sync/sync0rw.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri. innobase/sync/sync0sync.c: branches/5.0: Merge r999 from trunk: Reduce buffer pool mutex contention under >= 4 big concurrent CPU-bound SELECT queries. (Bug #22868) Fix: replace the mutex by one mutex protecting the 'flush list' (and the free list) and several mutexes protecting portions of the buffer pool, where we keep several indivudual LRU lists of pages. This patch is from Sunny Bains and Heikki Tuuri.		19 years ago
..
Makefile.am	Removed innobase/my_cnf, innobase/include/makefilewin.i,	20 years ago
Makefile.i	- Fixed bug in "make DESTDIR=<dir> install" - the InnoDB static	23 years ago
btr0btr.h	btr0cur.h, btr0btr.h, btr0btr.c, btr0cur.c, row0purge.c:	23 years ago
btr0btr.ic	merge with 4.0	22 years ago
btr0cur.h	InnoDB: Make btr_cur_unmark_extern_fields() a static function	22 years ago
btr0cur.ic	Added Innobase to source distribution	25 years ago
btr0pcur.h	row0sel.c, btr0pcur.c, btr0pcur.ic, btr0pcur.h:	21 years ago
btr0pcur.ic	row0sel.c, btr0pcur.c, btr0pcur.ic, btr0pcur.h:	21 years ago
btr0sea.h	InnoDB: Remove some debug variables unless UNIV_SEARCH_PERF_STAT is defined	22 years ago
btr0sea.ic	Fixed BUG#15653, BUG#16582.	20 years ago
btr0types.h	Added Innobase to source distribution	25 years ago
buf0buf.h	Backport patch of bugfix for:	19 years ago
buf0buf.ic	Backport patch of bugfix for:	19 years ago
buf0flu.h	Many files:	24 years ago
buf0flu.ic	Allow UNIV_SYNC_DEBUG to be disabled while UNIV_DEBUG is enabled	22 years ago
buf0lru.h	Many files:	21 years ago
buf0lru.ic	Added Innobase to source distribution	25 years ago
buf0rea.h	Many files:	22 years ago
buf0types.h	Added Innobase to source distribution	25 years ago
data0data.h	Merge with 4.0.21	22 years ago
data0data.ic	After merge fixes	22 years ago
data0type.h	InnoDB: Fixed bugs in the padding and trimming of trailing spaces	21 years ago
data0type.ic	merge with 4.0	22 years ago
data0types.h	Added Innobase to source distribution	25 years ago
db0err.h	Many files:	21 years ago
dict0boot.h	Many files:	22 years ago
dict0boot.ic	Merge	24 years ago
dict0crea.h	Many files:	22 years ago
dict0crea.ic	Added Innobase to source distribution	25 years ago
dict0dict.h	Applied innodb-4.1-ss22 snapshot.	20 years ago
dict0dict.ic	Applied innodb-4.1-ss26 snapshot.	20 years ago
dict0load.h	Fix BUG#12071: "Windows hang: 'Opening tables' or 'Waiting for	20 years ago
dict0load.ic	Added Innobase to source distribution	25 years ago
dict0mem.h	Applied innodb-4.1-ss22 snapshot.	20 years ago
dict0mem.ic	Added Innobase to source distribution	25 years ago
dict0types.h	InnoDB: Remove unnecessary code, mostly related to stored procedures	22 years ago
dyn0dyn.h	dyn0dyn.h:	22 years ago
dyn0dyn.ic	Many files:	22 years ago
eval0eval.h	Added Innobase to source distribution	25 years ago
eval0eval.ic	Cleanups during review	21 years ago
eval0proc.h	Added Innobase to source distribution	25 years ago
eval0proc.ic	Added Innobase to source distribution	25 years ago
fil0fil.h	Many files:	21 years ago
fsp0fsp.h	Many files:	22 years ago
fsp0fsp.ic	Added Innobase to source distribution	25 years ago
fut0fut.h	Added Innobase to source distribution	25 years ago
fut0fut.ic	Allow UNIV_SYNC_DEBUG to be disabled while UNIV_DEBUG is enabled	22 years ago
fut0lst.h	Added Innobase to source distribution	25 years ago
fut0lst.ic	Many files:	22 years ago
ha0ha.h	Merge with 4.0	22 years ago
ha0ha.ic	Merge with 4.0	22 years ago
hash0hash.h	Merge with 4.0.21	22 years ago
hash0hash.ic	ut0ut.c Fixes for 64-bit Linux, bug fixes, compiler warning fixes	25 years ago
ibuf0ibuf.h	Merge with 4.0	22 years ago
ibuf0ibuf.ic	Many files:	22 years ago
ibuf0types.h	Added Innobase to source distribution	25 years ago
lock0lock.h	InnoDB: Truncate SHOW INNODB STATUS output at the start of the list	21 years ago
lock0lock.ic	Allow UNIV_SYNC_DEBUG to be disabled while UNIV_DEBUG is enabled	22 years ago
lock0types.h	Portability and bug fixes for Innobase.	25 years ago
log0log.h	Merge with 4.0.21	22 years ago
log0log.ic	Merge with 4.0.21	22 years ago
log0recv.h	InnoDB cleanup:	22 years ago
log0recv.ic	Added Innobase to source distribution	25 years ago
mach0data.h	mach0data.ic, mach0data.h:	22 years ago
mach0data.ic	Merge with 4.0 to get the latest bug patches to 4.1	22 years ago
mem0dbg.h	mem0dbg.h, mem0dbg.c:	22 years ago
mem0dbg.ic	Merge with 4.0.21	22 years ago
mem0mem.h	Fix compiler warnings (detected by Intel's C++ compiler)	21 years ago
mem0mem.ic	InnoDB: Portability fixes for warnings reported on IA-64 Windows	21 years ago
mem0pool.h	Many files:	24 years ago
mem0pool.ic	Added Innobase to source distribution	25 years ago
mtr0log.h	manually merged	22 years ago
mtr0log.ic	manually merged	22 years ago
mtr0mtr.h	Merge with 4.0.21	22 years ago
mtr0mtr.ic	InnoDB cleanup: eliminate IB__FILE__	22 years ago
mtr0types.h	Added Innobase to source distribution	25 years ago
os0file.h	Changes from innodb-4.1-ss14 snapshot	20 years ago
os0proc.h	merge with 4.0	22 years ago
os0proc.ic	Added Innobase to source distribution	25 years ago
os0sync.h	InnoDB cleanup: Add const qualifiers to many char* arguments	22 years ago
os0sync.ic	os0thread.h, os0sync.ic, os0sync.h, os0thread.c, os0sync.c, os0file.c:	23 years ago
os0thread.h	Changed prototype of killed_ptr() to make it more portable	22 years ago
os0thread.ic	Added Innobase to source distribution	25 years ago
page0cur.h	InnoDB: Remove some debug variables unless UNIV_SEARCH_PERF_STAT is defined	22 years ago
page0cur.ic	page0cur.ic Fix a bug in insert buffer and multiversioning	25 years ago
page0page.h	Many files:	22 years ago
page0page.ic	InnoDB: Portability fixes for warnings reported on IA-64 Windows	21 years ago
page0types.h	page0types.h Eliminate a name collision on page_t on HP-UX	25 years ago
pars0grm.h	pars0grm.h, pars0grm.c, lexyy.c:	24 years ago
pars0opt.h	Added Innobase to source distribution	25 years ago
pars0opt.ic	Added Innobase to source distribution	25 years ago
pars0pars.h	InnoDB: Portability fixes for warnings reported on IA-64 Windows	21 years ago
pars0pars.ic	Added Innobase to source distribution	25 years ago
pars0sym.h	InnoDB: Portability fixes for warnings reported on IA-64 Windows	21 years ago
pars0sym.ic	Added Innobase to source distribution	25 years ago
pars0types.h	InnoDB: Remove unnecessary code, mostly related to stored procedures	22 years ago
que0que.h	Remove unneeded module "com"	22 years ago
que0que.ic	Portability fixes	25 years ago
que0types.h	Many files:	22 years ago
read0read.h	Many files:	23 years ago
read0read.ic	Added Innobase to source distribution	25 years ago
read0types.h	Added Innobase to source distribution	25 years ago
rem0cmp.h	Fix BUG#12071: "Windows hang: 'Opening tables' or 'Waiting for	20 years ago
rem0cmp.ic	Many files:	22 years ago
rem0rec.h	Merge with 4.0	22 years ago
rem0rec.ic	Merge with 4.0	22 years ago
rem0types.h	Added Innobase to source distribution	25 years ago
row0ins.h	Many files:	23 years ago
row0ins.ic	Added Innobase to source distribution	25 years ago
row0mysql.h	Merge marko@bk-internal.mysql.com:/home/bk/mysql-4.1	21 years ago
row0mysql.ic	InnoDB: Fixed bugs in the padding and trimming of trailing spaces	21 years ago
row0purge.h	Added Innobase to source distribution	25 years ago
row0purge.ic	Added Innobase to source distribution	25 years ago
row0row.h	InnoDB: quote identifiers according to MySQL settings (Bug #5292)	21 years ago
row0row.ic	Added Innobase to source distribution	25 years ago
row0sel.h	Many files:	21 years ago
row0sel.ic	Merge with 4.0	22 years ago
row0types.h	Added Innobase to source distribution	25 years ago
row0uins.h	InnoDB cleanup: fixing buffer overflows and quoting of quotes	22 years ago
row0uins.ic	Added Innobase to source distribution	25 years ago
row0umod.h	Added Innobase to source distribution	25 years ago
row0umod.ic	Added Innobase to source distribution	25 years ago
row0undo.h	InnoDB cleanup: fixing buffer overflows and quoting of quotes	22 years ago
row0undo.ic	Added Innobase to source distribution	25 years ago
row0upd.h	InnoDB: quote identifiers according to MySQL settings (Bug #5292)	21 years ago
row0upd.ic	InnoDB: quote identifiers according to MySQL settings (Bug #5292)	21 years ago
row0vers.h	Added Innobase to source distribution	25 years ago
row0vers.ic	Added xml patch to mysqldump.	24 years ago
srv0que.h	Added Innobase to source distribution	25 years ago
srv0srv.h	Fix BUG#12071: "Windows hang: 'Opening tables' or 'Waiting for	20 years ago
srv0srv.ic	Added Innobase to source distribution	25 years ago
srv0start.h	InnoDB: Detect the availability of the Mac OS X fsync() work-around	21 years ago
sync0arr.h	Backport patch of bugfix for:	19 years ago
sync0arr.ic	Added Innobase to source distribution	25 years ago
sync0rw.h	Backport patch of bugfix for:	19 years ago
sync0rw.ic	Backport patch of bugfix for:	19 years ago
sync0sync.h	Backport patch of bugfix for:	19 years ago
sync0sync.ic	InnoDB cleanup:	22 years ago
sync0types.h	Portability and bug fixes for Innobase.	25 years ago
thr0loc.h	Added Innobase to source distribution	25 years ago
thr0loc.ic	Added Innobase to source distribution	25 years ago
trx0purge.h	Many files:	23 years ago
trx0purge.ic	Added Innobase to source distribution	25 years ago
trx0rec.h	InnoDB: quote identifiers according to MySQL settings (Bug #5292)	21 years ago
trx0rec.ic	srv0srv.h Support raw disk partitions as data files	25 years ago
trx0roll.h	InnoDB cleanup: Add const qualifiers to many char* arguments	22 years ago
trx0roll.ic	Added Innobase to source distribution	25 years ago
trx0rseg.h	Added Innobase to source distribution	25 years ago
trx0rseg.ic	merge with 4.0	22 years ago
trx0sys.h	InnoDB: implement innodb_max_purge_lag	21 years ago
trx0sys.ic	Allow UNIV_SYNC_DEBUG to be disabled while UNIV_DEBUG is enabled	22 years ago
trx0trx.h	Merge	21 years ago
trx0trx.ic	trx0trx.ic, trx0trx.h, srv0srv.h, row0sel.h, dict0mem.h:	24 years ago
trx0types.h	Many files:	23 years ago
trx0undo.h	trx0undo.h, trx0undo.c, trx0trx.c:	22 years ago
trx0undo.ic	Allow UNIV_SYNC_DEBUG to be disabled while UNIV_DEBUG is enabled	22 years ago
univ.i	Applied innodb-4.1-ss22 snapshot.	20 years ago
usr0sess.h	Remove unneeded module "com"	22 years ago
usr0sess.ic	Remove unneeded module "com"	22 years ago
usr0types.h	Remove unneeded module "com"	22 years ago
ut0byte.h	InnoDB: Treat UTF-8 strings properly in case insensitive operations	21 years ago
ut0byte.ic	Many files:	22 years ago
ut0dbg.h	manually merged	22 years ago
ut0lst.h	Added Innobase to source distribution	25 years ago
ut0mem.h	Many files:	21 years ago
ut0mem.ic	InnoDB: Fix ALTER TABLE t DISCARD TABLESPACE (Bug #5851)	21 years ago
ut0rnd.h	InnoDB cleanup: Add const qualifiers to many char* arguments	22 years ago
ut0rnd.ic	InnoDB cleanup: Add const qualifiers to many char* arguments	22 years ago
ut0sort.h	Added Innobase to source distribution	25 years ago
ut0ut.h	InnoDB: quote identifiers according to MySQL settings (Bug #5292)	21 years ago
ut0ut.ic	Many files:	22 years ago