lib/wsrep-lib
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This is the first version of the SR speedup feature for MariaDB 10.7.

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This commit is contained in:
Pekka Lampio
2021-05-17 10:36:17 +03:00
parent 344544df3e
commit a44484e461
16 changed files with 198 additions and 20 deletions
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43
include/wsrep/transaction.hpp
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@ -142,6 +142,47 @@ namespace wsrep
void xa_detach();
int xa_replay(wsrep::unique_lock<wsrep::mutex>&);
int fragment_cache_remove_transaction(
const wsrep::id& server_id, wsrep::transaction_id transaction_id);
void *get_binlog_cache();
/* state of Streaming Replication Speedup feature for the
transaction. This describes the relationship of this WSREP
transaction and the underlying InnoDB transaction.
*/
enum sr_state
{
/* this is not an SR Speedup transaction */
sr_state_none,
/* this is an SR Speedup transaction, but SR XID is not set
for the underlying InnoDB transaction
*/
sr_state_require_xid,
/* this is an SR Speedup transaction, and SR XID is set
for the underlying InnoDB transaction
*/
sr_state_xid_set
};
static const int n_sr_states = sr_state_xid_set + 1;
enum sr_state sr_state() const
{ return sr_state_; }
void require_sr_xid()
{
if (sr_state_ == sr_state_none) {
sr_state_ = sr_state_require_xid;
}
}
void sr_xid_was_set()
{
sr_state_ = sr_state_xid_set;
}
bool sr_xid_is_required()
{
return sr_state_ == sr_state_require_xid;
}
bool sr_xid_is_set()
{
return sr_state_ == sr_state_xid_set;
}
bool pa_unsafe() const { return (flags() & wsrep::provider::flag::pa_unsafe); }
void pa_unsafe(bool pa_unsafe) {
@ -253,6 +294,7 @@ namespace wsrep
int release_commit_order(wsrep::unique_lock<wsrep::mutex>&);
void streaming_rollback(wsrep::unique_lock<wsrep::mutex>&);
int replay(wsrep::unique_lock<wsrep::mutex>&);
void clear_fragments();
void xa_replay_common(wsrep::unique_lock<wsrep::mutex>&);
int xa_replay_commit(wsrep::unique_lock<wsrep::mutex>&);
void cleanup();
@ -281,6 +323,7 @@ namespace wsrep
wsrep::mutable_buffer apply_error_buf_;
wsrep::xid xid_;
bool streaming_rollback_in_progress_;
enum sr_state sr_state_;
};
static inline const char* to_c_string(enum wsrep::transaction::state state)