Commit 0de8ac6f authored by tomas@whalegate.ndb.mysql.com's avatar tomas@whalegate.ndb.mysql.com
Browse files

Bug #33237 NDB_MGM 'eat' 99% cpu utilization

parent 3a891982

mysql-test/r/bdb_notembedded.result

deleted100644 → 0
+0 −35
Original line number Diff line number Diff line 
set autocommit=1;

reset master;

create table bug16206 (a int);

insert into bug16206 values(1);

start transaction;

insert into bug16206 values(2);

commit;

show binlog events;

Log_name	Pos	Event_type	Server_id	End_log_pos	Info

f	n	Format_desc	1	n	Server ver: VERSION, Binlog ver: 4

f	n	Query	1	n	use `test`; create table bug16206 (a int)

f	n	Query	1	n	use `test`; insert into bug16206 values(1)

f	n	Query	1	n	use `test`; insert into bug16206 values(2)

drop table bug16206;

reset master;

create table bug16206 (a int) engine=         bdb;

insert into bug16206 values(0);

insert into bug16206 values(1);

start transaction;

insert into bug16206 values(2);

commit;

insert into bug16206 values(3);

show binlog events;

Log_name	Pos	Event_type	Server_id	End_log_pos	Info

f	n	Format_desc	1	n	Server ver: VERSION, Binlog ver: 4

f	n	Query	1	n	use `test`; create table bug16206 (a int) engine=         bdb

f	n	Query	1	n	use `test`; insert into bug16206 values(0)

f	n	Query	1	n	use `test`; insert into bug16206 values(1)

f	n	Query	1	n	use `test`; BEGIN

f	n	Query	1	n	use `test`; insert into bug16206 values(2)

f	n	Query	1	n	use `test`; COMMIT

f	n	Query	1	n	use `test`; insert into bug16206 values(3)

drop table bug16206;

set autocommit=0;

End of 5.0 tests

mysql-test/t/bdb_notembedded.test

deleted100644 → 0
+0 −38
Original line number Diff line number Diff line 
-- source include/not_embedded.inc

-- source include/have_bdb.inc



#

# Bug #16206: Superfluous COMMIT event in binlog when updating BDB in autocommit mode

#

set autocommit=1;



let $VERSION=`select version()`;



reset master;

create table bug16206 (a int);

insert into bug16206 values(1);

start transaction;

insert into bug16206 values(2);

commit;

--replace_result $VERSION VERSION

--replace_column 1 f 2 n 5 n

show binlog events;

drop table bug16206;



reset master;

create table bug16206 (a int) engine=         bdb;

insert into bug16206 values(0);

insert into bug16206 values(1);

start transaction;

insert into bug16206 values(2);

commit;

insert into bug16206 values(3);

--replace_result $VERSION VERSION

--replace_column 1 f 2 n 5 n

show binlog events;

drop table bug16206;



set autocommit=0;





--echo End of 5.0 tests

ndb/src/mgmclient/CommandInterpreter.cpp

+11 −6
Original line number Diff line number Diff line
@@ -921,10 +921,14 @@ event_thread_run(void* p) 
  {

    do_event_thread= 1;

    do {

      if (ndb_logevent_get_next(log_handle, &log_event, 2000) <= 0)

        continue;

      int res= ndb_logevent_get_next(log_handle, &log_event, 2000);

      if (res > 0)

      {

        Guard g(printmutex);

        printLogEvent(&log_event);

      }

      else if (res < 0)

        break;

    } while(do_event_thread);

    ndb_mgm_destroy_logevent_handle(&log_handle);

  }
@@ -2722,8 +2726,9 @@ CommandInterpreter::executeStartBackup(char* parameters, bool interactive) 
  {

    int count = 0;

    int retry = 0;

    int res;

    do {

      if (ndb_logevent_get_next(log_handle, &log_event, 60000) > 0)

      if ((res= ndb_logevent_get_next(log_handle, &log_event, 60000)) > 0)

      {

        int print = 0;

        switch (log_event.type) {
@@ -2753,7 +2758,7 @@ CommandInterpreter::executeStartBackup(char* parameters, bool interactive) 
      {

        retry++;

      }

    } while(count < 2 && retry < 3);

    } while(res >= 0 && count < 2 && retry < 3);



    if (retry >= 3)

      ndbout << "get backup event failed for " << retry << " times" << endl;