mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-29 02:05:57 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

ndb: release LOCK_open during mysqld schema sync and mysqld sync with binlog (create/drop/rename table)

Browse source 
+ increase timeout for sync... which now should never occur
This commit is contained in:
unknown 2006-05-31 01:52:14 +02:00
parent 2b0c9d8bdb
commit 49c664d360
3 changed files with 41 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
sql/ha_ndbcluster.cc
View file

@ -4649,7 +4649,7 @@ int ha_ndbcluster::create(const char *name,
share->db, share->table_name,
m_table->getObjectId(),
m_table->getObjectVersion(),
SOT_CREATE_TABLE);
SOT_CREATE_TABLE, 0, 0, 1);
break;
}
}
@ -5031,7 +5031,7 @@ int ha_ndbcluster::rename_table(const char *from, const char *to)
old_dbname, m_tabname,
ndb_table_id, ndb_table_version,
SOT_RENAME_TABLE,
m_dbname, new_tabname);
m_dbname, new_tabname, 1);
}
if (share)
free_share(&share);
@ -5155,7 +5155,7 @@ ha_ndbcluster::delete_table(ha_ndbcluster *h, Ndb *ndb,
current_thd->query, current_thd->query_length,
share->db, share->table_name,
ndb_table_id, ndb_table_version,
SOT_DROP_TABLE);
SOT_DROP_TABLE, 0, 0, 1);
}
else if (table_dropped && share && share->op) /* ndbcluster_log_schema_op
will do a force GCP */
@ -5752,7 +5752,7 @@ static void ndbcluster_drop_database(char *path)
ha_ndbcluster::set_dbname(path, db);
ndbcluster_log_schema_op(current_thd, 0,
current_thd->query, current_thd->query_length,
db, "", 0, 0, SOT_DROP_DB);
db, "", 0, 0, SOT_DROP_DB, 0, 0, 0);
#endif
DBUG_VOID_RETURN;
}
@ -9941,13 +9941,13 @@ int ndbcluster_alter_tablespace(THD* thd, st_alter_tablespace *info)
thd->query, thd->query_length,
"", info->tablespace_name,
0, 0,
SOT_TABLESPACE);
SOT_TABLESPACE, 0, 0, 0);
else
ndbcluster_log_schema_op(thd, 0,
thd->query, thd->query_length,
"", info->logfile_group_name,
0, 0,
SOT_LOGFILE_GROUP);
SOT_LOGFILE_GROUP, 0, 0, 0);
#endif
DBUG_RETURN(FALSE);

36
sql/ha_ndbcluster_binlog.cc
View file

@ -39,6 +39,12 @@
#define NDB_APPLY_TABLE_FILE "./" NDB_REP_DB "/" NDB_APPLY_TABLE
#define NDB_SCHEMA_TABLE_FILE "./" NDB_REP_DB "/" NDB_SCHEMA_TABLE
/*
Timeout for syncing schema events between
mysql servers, and between mysql server and the binlog
*/
const int opt_ndb_sync_timeout= 120;
/*
Flag showing if the ndb injector thread is running, if so == 1
-1 if it was started but later stopped for some reason
@ -498,6 +504,7 @@ ndbcluster_binlog_log_query(THD *thd, enum_binlog_command binlog_command,
{
case LOGCOM_CREATE_TABLE:
type= SOT_CREATE_TABLE;
DBUG_ASSERT(FALSE);
break;
case LOGCOM_ALTER_TABLE:
type= SOT_ALTER_TABLE;
@ -505,9 +512,11 @@ ndbcluster_binlog_log_query(THD *thd, enum_binlog_command binlog_command,
break;
case LOGCOM_RENAME_TABLE:
type= SOT_RENAME_TABLE;
DBUG_ASSERT(FALSE);
break;
case LOGCOM_DROP_TABLE:
type= SOT_DROP_TABLE;
DBUG_ASSERT(FALSE);
break;
case LOGCOM_CREATE_DB:
type= SOT_CREATE_DB;
@ -519,12 +528,14 @@ ndbcluster_binlog_log_query(THD *thd, enum_binlog_command binlog_command,
break;
case LOGCOM_DROP_DB:
type= SOT_DROP_DB;
DBUG_ASSERT(FALSE);
break;
}
if (log)
{
ndbcluster_log_schema_op(thd, 0, query, query_length,
db, table_name, 0, 0, type);
db, table_name, 0, 0, type,
0, 0, 0);
}
DBUG_VOID_RETURN;
}
@ -995,7 +1006,8 @@ int ndbcluster_log_schema_op(THD *thd, NDB_SHARE *share,
uint32 ndb_table_id,
uint32 ndb_table_version,
enum SCHEMA_OP_TYPE type,
const char *new_db, const char *new_table_name)
const char *new_db, const char *new_table_name,
int have_lock_open)
{
DBUG_ENTER("ndbcluster_log_schema_op");
Thd_ndb *thd_ndb= get_thd_ndb(thd);
@ -1254,8 +1266,13 @@ end:
if (ndb_error == 0 &&
!bitmap_is_clear_all(&schema_subscribers))
{
int max_timeout= 10;
int max_timeout= opt_ndb_sync_timeout;
(void) pthread_mutex_lock(&ndb_schema_object->mutex);
if (have_lock_open)
{
safe_mutex_assert_owner(&LOCK_open);
(void) pthread_mutex_unlock(&LOCK_open);
}
while (1)
{
struct timespec abstime;
@ -1300,6 +1317,10 @@ end:
"distributing", ndb_schema_object->key);
}
}
if (have_lock_open)
{
(void) pthread_mutex_lock(&LOCK_open);
}
(void) pthread_mutex_unlock(&ndb_schema_object->mutex);
}
@ -2698,6 +2719,7 @@ ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
NDB_SHARE *share, const char *type_str)
{
DBUG_ENTER("ndbcluster_handle_drop_table");
THD *thd= current_thd;
NDBDICT *dict= ndb->getDictionary();
if (event_name && dict->dropEvent(event_name))
@ -2743,10 +2765,14 @@ ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
these out of order, thus we are keeping the SYNC_DROP_ defined
for now.
*/
const char *save_proc_info= thd->proc_info;
#define SYNC_DROP_
#ifdef SYNC_DROP_
thd->proc_info= "Syncing ndb table schema operation and binlog";
(void) pthread_mutex_lock(&share->mutex);
int max_timeout= 10;
safe_mutex_assert_owner(&LOCK_open);
(void) pthread_mutex_unlock(&LOCK_open);
int max_timeout= opt_ndb_sync_timeout;
while (share->op)
{
struct timespec abstime;
@ -2770,6 +2796,7 @@ ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
type_str, share->key);
}
}
(void) pthread_mutex_lock(&LOCK_open);
(void) pthread_mutex_unlock(&share->mutex);
#else
(void) pthread_mutex_lock(&share->mutex);
@ -2777,6 +2804,7 @@ ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
share->op= 0;
(void) pthread_mutex_unlock(&share->mutex);
#endif
thd->proc_info= save_proc_info;
DBUG_RETURN(0);
}

5
sql/ha_ndbcluster_binlog.h
View file

@ -138,8 +138,9 @@ int ndbcluster_log_schema_op(THD *thd, NDB_SHARE *share,
uint32 ndb_table_id,
uint32 ndb_table_version,
enum SCHEMA_OP_TYPE type,
const char *new_db= 0,
const char *new_table_name= 0);
const char *new_db,
const char *new_table_name,
int have_lock_open);
int ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
NDB_SHARE *share,
const char *type_str);