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DB-775 binlog group commit for 5.6

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This commit is contained in:
Rich Prohaska 2014-11-21 16:31:53 -05:00
parent e64b621179
commit b798b3546a
1 changed files with 17 additions and 2 deletions
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19
storage/tokudb/hatoku_hton.cc
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@ -772,16 +772,31 @@ static void tokudb_cleanup_handlers(tokudb_trx_data *trx, DB_TXN *txn) {
} }
} }
#if MYSQL_VERSION_ID >= 50600
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) {
#if MYSQL_VERSION_ID >= 50600
if (thd_get_durability_property(thd) == HA_IGNORE_DURABILITY)
return false;
else
#endif
return THDVAR(thd, commit_sync) != 0;
}
static int tokudb_commit(handlerton * hton, THD * thd, bool all) { static int tokudb_commit(handlerton * hton, THD * thd, bool all) {
TOKUDB_DBUG_ENTER(""); TOKUDB_DBUG_ENTER("");
DBUG_PRINT("trans", ("ending transaction %s", all ? "all" : "stmt")); DBUG_PRINT("trans", ("ending transaction %s", all ? "all" : "stmt"));
uint32_t syncflag = THDVAR(thd, commit_sync) ? 0 : DB_TXN_NOSYNC; 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); tokudb_trx_data *trx = (tokudb_trx_data *) thd_get_ha_data(thd, hton);
DB_TXN **txn = all ? &trx->all : &trx->stmt; DB_TXN **txn = all ? &trx->all : &trx->stmt;
DB_TXN *this_txn = *txn; DB_TXN *this_txn = *txn;
if (this_txn) { if (this_txn) {
if (tokudb_debug & TOKUDB_DEBUG_TXN) { if (tokudb_debug & TOKUDB_DEBUG_TXN) {
TOKUDB_TRACE("commit trx %u txn %p", all, this_txn); TOKUDB_TRACE("commit trx %u txn %p syncflag %u", all, this_txn, syncflag);
} }
// test hook to induce a crash on a debug build // test hook to induce a crash on a debug build
DBUG_EXECUTE_IF("tokudb_crash_commit_before", DBUG_SUICIDE();); DBUG_EXECUTE_IF("tokudb_crash_commit_before", DBUG_SUICIDE(););