diff options
author | unknown <grog@mysql.com[grog]> | 2006-04-13 17:22:56 +0930 |
---|---|---|
committer | unknown <grog@mysql.com[grog]> | 2006-04-13 17:22:56 +0930 |
commit | 365f6f6f03a247976eabd64fe9d8510b456647f4 (patch) | |
tree | 5068606c120d0affa61289212c97ed0321bc9003 /sql/ha_innodb.cc | |
parent | ce33555014b52d43b1f6911b24abf6ac0da62550 (diff) | |
download | mariadb-git-365f6f6f03a247976eabd64fe9d8510b456647f4.tar.gz |
foo2
sql/ha_innodb.cc:
Import patch foo2
sql/ha_innodb.h:
Import patch foo2
sql/handler.cc:
Import patch foo2
sql/handler.h:
Import patch foo2
sql/mysqld.cc:
Import patch foo2
sql/set_var.cc:
Import patch foo2
sql/sql_class.h:
Import patch foo2
sql/sql_repl.cc:
Import patch foo2
Diffstat (limited to 'sql/ha_innodb.cc')
-rw-r--r-- | sql/ha_innodb.cc | 231 |
1 files changed, 1 insertions, 230 deletions
diff --git a/sql/ha_innodb.cc b/sql/ha_innodb.cc index 98fb6b69ab3..934437e0c91 100644 --- a/sql/ha_innodb.cc +++ b/sql/ha_innodb.cc @@ -1741,25 +1741,6 @@ innobase_report_binlog_offset_and_commit( trx->mysql_log_file_name = log_file_name; trx->mysql_log_offset = (ib_longlong)end_offset; -#ifdef HAVE_REPLICATION - if (thd->variables.sync_replication) { - /* Let us store the binlog file name and the position, so that - we know how long to wait for the binlog to the replicated to - the slave in synchronous replication. */ - - if (trx->repl_wait_binlog_name == NULL) { - - trx->repl_wait_binlog_name = - (char*)mem_alloc_noninline(FN_REFLEN + 100); - } - - ut_a(strlen(log_file_name) < FN_REFLEN + 100); - - strcpy(trx->repl_wait_binlog_name, log_file_name); - - trx->repl_wait_binlog_pos = (ib_longlong)end_offset; - } -#endif /* HAVE_REPLICATION */ trx->flush_log_later = TRUE; innobase_commit(thd, TRUE); @@ -1828,218 +1809,8 @@ innobase_commit_complete( trx_commit_complete_for_mysql(trx); } -#ifdef HAVE_REPLICATION - if (thd->variables.sync_replication - && trx->repl_wait_binlog_name - && innobase_repl_state != 0) { - - struct timespec abstime; - int cmp; - int ret; - - /* In synchronous replication, let us wait until the MySQL - replication has sent the relevant binlog segment to the - replication slave. */ - - pthread_mutex_lock(&innobase_repl_cond_mutex); -try_again: - if (innobase_repl_state == 0) { - - pthread_mutex_unlock(&innobase_repl_cond_mutex); - - return(0); - } - - cmp = strcmp(innobase_repl_file_name, - trx->repl_wait_binlog_name); - if (cmp > 0 - || (cmp == 0 && innobase_repl_pos - >= (my_off_t)trx->repl_wait_binlog_pos)) { - /* We have already sent the relevant binlog to the - slave: no need to wait here */ - - pthread_mutex_unlock(&innobase_repl_cond_mutex); - -/* printf("Binlog now sent\n"); */ - - return(0); - } - - /* Let us update the info about the minimum binlog position - of waiting threads in the innobase_repl_... variables */ - - if (innobase_repl_wait_file_name_inited != 0) { - cmp = strcmp(trx->repl_wait_binlog_name, - innobase_repl_wait_file_name); - if (cmp < 0 - || (cmp == 0 && (my_off_t)trx->repl_wait_binlog_pos - <= innobase_repl_wait_pos)) { - /* This thd has an even lower position, let - us update the minimum info */ - - strcpy(innobase_repl_wait_file_name, - trx->repl_wait_binlog_name); - - innobase_repl_wait_pos = - trx->repl_wait_binlog_pos; - } - } else { - strcpy(innobase_repl_wait_file_name, - trx->repl_wait_binlog_name); - - innobase_repl_wait_pos = trx->repl_wait_binlog_pos; - - innobase_repl_wait_file_name_inited = 1; - } - set_timespec(abstime, thd->variables.sync_replication_timeout); - - /* Let us suspend this thread to wait on the condition; - when replication has progressed far enough, we will release - these waiting threads. The following call - pthread_cond_timedwait also atomically unlocks - innobase_repl_cond_mutex. */ - - innobase_repl_n_wait_threads++; - -/* printf("Waiting for binlog to be sent\n"); */ - - ret = pthread_cond_timedwait(&innobase_repl_cond, - &innobase_repl_cond_mutex, &abstime); - innobase_repl_n_wait_threads--; - - if (ret != 0) { - ut_print_timestamp(stderr); - - sql_print_error("MySQL synchronous replication was " - "not able to send the binlog to the " - "slave within the timeout %lu. We " - "assume that the slave has become " - "inaccessible, and switch off " - "synchronous replication until the " - "communication to the slave works " - "again. MySQL synchronous replication " - "has sent binlog to the slave up to " - "file %s, position %lu. This " - "transaction needs it to be sent up " - "to file %s, position %lu.", - thd->variables.sync_replication_timeout, - innobase_repl_file_name, - (ulong) innobase_repl_pos, - trx->repl_wait_binlog_name, - (ulong) trx->repl_wait_binlog_pos); - - innobase_repl_state = 0; - - pthread_mutex_unlock(&innobase_repl_cond_mutex); - - return(0); - } - - goto try_again; - } -#endif // HAVE_REPLICATION - return(0); -} - -#ifdef HAVE_REPLICATION -/********************************************************************* -In synchronous replication, reports to InnoDB up to which binlog position -we have sent the binlog to the slave. Note that replication is synchronous -for one slave only. For other slaves, we do nothing in this function. This -function is used in a replication master. */ - -int -innobase_repl_report_sent_binlog( -/*=============================*/ - /* out: 0 */ - THD* thd, /* in: thread doing the binlog communication to - the slave */ - char* log_file_name, /* in: binlog file name */ - my_off_t end_offset) /* in: the offset in the binlog file up to - which we sent the contents to the slave */ -{ - int cmp; - ibool can_release_threads = 0; - - /* If synchronous replication is not switched on, or this thd is - sending binlog to a slave where we do not need synchronous replication, - then return immediately */ - - if (thd->server_id != thd->variables.sync_replication_slave_id) { - - /* Do nothing */ - - return(0); - } - - pthread_mutex_lock(&innobase_repl_cond_mutex); - - if (innobase_repl_state == 0) { - - ut_print_timestamp(stderr); - sql_print_warning("Switching MySQL synchronous replication on " - "again at binlog file %s, position %lu", - log_file_name, (ulong) end_offset); - - innobase_repl_state = 1; - } - - /* The position should increase monotonically, since just one thread - is sending the binlog to the slave for which we want synchronous - replication. Let us check this, and print an error to the .err log - if that is not the case. */ - - if (innobase_repl_file_name_inited) { - cmp = strcmp(log_file_name, innobase_repl_file_name); - - if (cmp < 0 - || (cmp == 0 && end_offset < innobase_repl_pos)) { - - ut_print_timestamp(stderr); - sql_print_error("MySQL synchronous replication has " - "sent binlog to the slave up to file " - "%s, position %lu, but now MySQL " - "reports that it sent the binlog only " - "up to file %s, position %lu", - innobase_repl_file_name, - (ulong) innobase_repl_pos, - log_file_name, (ulong) end_offset); - } - } - - strcpy(innobase_repl_file_name, log_file_name); - innobase_repl_pos = end_offset; - innobase_repl_file_name_inited = 1; - - if (innobase_repl_n_wait_threads > 0) { - /* Let us check if some of the waiting threads doing a trx - commit can now proceed */ - - cmp = strcmp(innobase_repl_file_name, - innobase_repl_wait_file_name); - if (cmp > 0 - || (cmp == 0 && innobase_repl_pos - >= innobase_repl_wait_pos)) { - - /* Yes, at least one waiting thread can now proceed: - let us release all waiting threads with a broadcast */ - - can_release_threads = 1; - - innobase_repl_wait_file_name_inited = 0; - } - } - - pthread_mutex_unlock(&innobase_repl_cond_mutex); - - if (can_release_threads) { - - pthread_cond_broadcast(&innobase_repl_cond); - } - return(0); } -#endif /* HAVE_REPLICATION */ /********************************************************************* Rolls back a transaction or the latest SQL statement. */ @@ -4815,7 +4586,7 @@ ha_innobase::create( possible adaptive hash latch to avoid deadlocks of threads */ trx_search_latch_release_if_reserved(parent_trx); - + trx = trx_allocate_for_mysql(); trx->mysql_thd = thd; |