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Kirill Smelkov
mariadb
Commits
7229b9f5
Commit
7229b9f5
authored
Jan 02, 2015
by
Rich Prohaska
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DB-785 turn off fsync on mariadb for 2PC transactions
parent
de9a3786
Changes
1
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1 changed file
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15 additions
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11 deletions
+15
-11
storage/tokudb/hatoku_hton.cc
storage/tokudb/hatoku_hton.cc
+15
-11
No files found.
storage/tokudb/hatoku_hton.cc
View file @
7229b9f5
...
...
@@ -415,10 +415,10 @@ static int tokudb_init_func(void *p) {
tokudb_hton
->
commit
=
tokudb_commit
;
tokudb_hton
->
rollback
=
tokudb_rollback
;
#if TOKU_INCLUDE_XA
tokudb_hton
->
prepare
=
tokudb_xa_prepare
;
tokudb_hton
->
recover
=
tokudb_xa_recover
;
tokudb_hton
->
commit_by_xid
=
tokudb_commit_by_xid
;
tokudb_hton
->
rollback_by_xid
=
tokudb_rollback_by_xid
;
tokudb_hton
->
prepare
=
tokudb_xa_prepare
;
tokudb_hton
->
recover
=
tokudb_xa_recover
;
tokudb_hton
->
commit_by_xid
=
tokudb_commit_by_xid
;
tokudb_hton
->
rollback_by_xid
=
tokudb_rollback_by_xid
;
#endif
tokudb_hton
->
panic
=
tokudb_end
;
...
...
@@ -776,25 +776,29 @@ static void tokudb_cleanup_handlers(tokudb_trx_data *trx, DB_TXN *txn) {
extern
"C"
enum
durability_properties
thd_get_durability_property
(
const
MYSQL_THD
thd
);
#endif
// Determine if an fsync is used when a transaction is committed. The MySQL durability property
// has precedence over the tokudb commit sync setting as it has a better idea of what is going on.
static
bool
tokudb_fsync_on_commit
(
THD
*
thd
)
{
// Determine if an fsync is used when a transaction is committed.
static
bool
tokudb_fsync_on_commit
(
THD
*
thd
,
tokudb_trx_data
*
trx
,
DB_TXN
*
txn
)
{
#if MYSQL_VERSION_ID >= 50600
// Check the client durability property which is set during 2PC
if
(
thd_get_durability_property
(
thd
)
==
HA_IGNORE_DURABILITY
)
return
false
;
else
#endif
return
THDVAR
(
thd
,
commit_sync
)
!=
0
;
#if defined(MARIADB_BASE_VERSION)
// Check is the txn is prepared and the binlog is open
if
(
txn
->
is_prepared
(
txn
)
&&
mysql_bin_log
.
is_open
())
return
false
;
#endif
return
THDVAR
(
thd
,
commit_sync
)
!=
0
;
}
static
int
tokudb_commit
(
handlerton
*
hton
,
THD
*
thd
,
bool
all
)
{
TOKUDB_DBUG_ENTER
(
""
);
DBUG_PRINT
(
"trans"
,
(
"ending transaction %s"
,
all
?
"all"
:
"stmt"
));
uint32_t
syncflag
=
tokudb_fsync_on_commit
(
thd
)
?
0
:
DB_TXN_NOSYNC
;
tokudb_trx_data
*
trx
=
(
tokudb_trx_data
*
)
thd_get_ha_data
(
thd
,
hton
);
DB_TXN
**
txn
=
all
?
&
trx
->
all
:
&
trx
->
stmt
;
DB_TXN
*
this_txn
=
*
txn
;
if
(
this_txn
)
{
uint32_t
syncflag
=
tokudb_fsync_on_commit
(
thd
,
trx
,
this_txn
)
?
0
:
DB_TXN_NOSYNC
;
if
(
tokudb_debug
&
TOKUDB_DEBUG_TXN
)
{
TOKUDB_TRACE
(
"commit trx %u txn %p syncflag %u"
,
all
,
this_txn
,
syncflag
);
}
...
...
@@ -850,7 +854,7 @@ static int tokudb_xa_prepare(handlerton* hton, THD* thd, bool all) {
TOKUDB_DBUG_ENTER
(
""
);
int
r
=
0
;
/
* if support_xa is disable, just return */
/
/ if tokudb_support_xa is disable, just return
if
(
!
THDVAR
(
thd
,
support_xa
))
{
TOKUDB_DBUG_RETURN
(
r
);
}
...
...
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