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7e5dc4f074
Implement facility for the commit in one thread to wait for the commit of another to complete first. The wait is done in a way that does not hinder that a waiter and a waitee can group commit together with a single fsync() in both binlog and InnoDB. The wait is done efficiently with respect to locking. The patch was originally made to support TaoBao parallel replication with in-order commit; now it will be adapted to also be used for parallel replication of group-committed transactions. A waiter THD registers itself with a prior waitee THD. The waiter will then complete its commit at the earliest in the same group commit of the waitee (when using binlog). The wait can also be done explicitly by the waitee. |
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| .. | ||
| archive | ||
| blackhole | ||
| cassandra | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
| heap | ||
| innobase | ||
| maria | ||
| myisam | ||
| myisammrg | ||
| ndb | ||
| oqgraph | ||
| pbxt | ||
| perfschema | ||
| sequence | ||
| sphinx | ||
| test_sql_discovery | ||
| xtradb | ||