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Here comes a nasty patch, although I am not ready to push it yet. I will

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first pull, merge,test, and get it to work.

The main change is the new replication code - now we have two slave threads
SQL thread and I/O thread. I have also re-written a lot of the code to 
prepare for multi-master implementation. 

I also documented IO_CACHE quite extensively and to some extend, THD class.
This commit is contained in:
sasha@mysql.sashanet.com
2002-01-19 19:16:52 -07:00
parent f481272998
commit 56129ce634
39 changed files with 2464 additions and 1032 deletions
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116
mysql-test/r/rpl_log.result
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@ -15,48 +15,48 @@ create table t1 (word char(20) not null);
load data infile '../../std_data/words.dat' into table t1;
drop table t1;
show binlog events;
Log_name Pos Event_type Server_id Log_seq Info
master-bin.001 4 Start 1 1 Server ver: $VERSION, Binlog ver: 2
master-bin.001 79 Query 1 2 use test; create table t1(n int not null auto_increment primary key)
master-bin.001 172 Intvar 1 3 INSERT_ID=1
master-bin.001 200 Query 1 4 use test; insert into t1 values (NULL)
master-bin.001 263 Query 1 5 use test; drop table t1
master-bin.001 311 Query 1 6 use test; create table t1 (word char(20) not null)
master-bin.001 386 Create_file 1 7 db=test;table=t1;file_id=1;block_len=81
master-bin.001 556 Exec_load 1 8 ;file_id=1
master-bin.001 579 Query 1 9 use test; drop table t1
Log_name Pos Event_type Server_id Orig_log_pos Info
master-bin.001 4 Start 1 4 Server ver: 4.0.1-alpha-debug-log, Binlog ver: 3
master-bin.001 79 Query 1 79 use test; create table t1(n int not null auto_increment primary key)
master-bin.001 172 Intvar 1 172 INSERT_ID=1
master-bin.001 200 Query 1 200 use test; insert into t1 values (NULL)
master-bin.001 263 Query 1 263 use test; drop table t1
master-bin.001 311 Query 1 311 use test; create table t1 (word char(20) not null)
master-bin.001 386 Create_file 1 386 db=test;table=t1;file_id=1;block_len=81
master-bin.001 556 Exec_load 1 556 ;file_id=1
master-bin.001 579 Query 1 579 use test; drop table t1
show binlog events from 79 limit 1;
Log_name Pos Event_type Server_id Log_seq Info
master-bin.001 79 Query 1 2 use test; create table t1(n int not null auto_increment primary key)
Log_name Pos Event_type Server_id Orig_log_pos Info
master-bin.001 79 Query 1 79 use test; create table t1(n int not null auto_increment primary key)
show binlog events from 79 limit 2;
Log_name Pos Event_type Server_id Log_seq Info
master-bin.001 79 Query 1 2 use test; create table t1(n int not null auto_increment primary key)
master-bin.001 172 Intvar 1 3 INSERT_ID=1
Log_name Pos Event_type Server_id Orig_log_pos Info
master-bin.001 79 Query 1 79 use test; create table t1(n int not null auto_increment primary key)
master-bin.001 172 Intvar 1 172 INSERT_ID=1
show binlog events from 79 limit 2,1;
Log_name Pos Event_type Server_id Log_seq Info
master-bin.001 200 Query 1 4 use test; insert into t1 values (NULL)
Log_name Pos Event_type Server_id Orig_log_pos Info
master-bin.001 200 Query 1 200 use test; insert into t1 values (NULL)
flush logs;
create table t1 (n int);
insert into t1 values (1);
drop table t1;
show binlog events;
Log_name Pos Event_type Server_id Log_seq Info
master-bin.001 4 Start 1 1 Server ver: $VERSION, Binlog ver: 2
master-bin.001 79 Query 1 2 use test; create table t1(n int not null auto_increment primary key)
master-bin.001 172 Intvar 1 3 INSERT_ID=1
master-bin.001 200 Query 1 4 use test; insert into t1 values (NULL)
master-bin.001 263 Query 1 5 use test; drop table t1
master-bin.001 311 Query 1 6 use test; create table t1 (word char(20) not null)
master-bin.001 386 Create_file 1 7 db=test;table=t1;file_id=1;block_len=81
master-bin.001 556 Exec_load 1 8 ;file_id=1
master-bin.001 579 Query 1 9 use test; drop table t1
master-bin.001 627 Rotate 1 10 master-bin.002;pos=4
master-bin.001 668 Stop 1 11
Log_name Pos Event_type Server_id Orig_log_pos Info
master-bin.001 4 Start 1 4 Server ver: 4.0.1-alpha-debug-log, Binlog ver: 3
master-bin.001 79 Query 1 79 use test; create table t1(n int not null auto_increment primary key)
master-bin.001 172 Intvar 1 172 INSERT_ID=1
master-bin.001 200 Query 1 200 use test; insert into t1 values (NULL)
master-bin.001 263 Query 1 263 use test; drop table t1
master-bin.001 311 Query 1 311 use test; create table t1 (word char(20) not null)
master-bin.001 386 Create_file 1 386 db=test;table=t1;file_id=1;block_len=81
master-bin.001 556 Exec_load 1 556 ;file_id=1
master-bin.001 579 Query 1 579 use test; drop table t1
master-bin.001 627 Rotate 1 627 master-bin.002;pos=4
master-bin.001 668 Stop 1 668
show binlog events in 'master-bin.002';
Log_name Pos Event_type Server_id Log_seq Info
master-bin.002 4 Query 1 1 use test; create table t1 (n int)
master-bin.002 62 Query 1 2 use test; insert into t1 values (1)
master-bin.002 122 Query 1 3 use test; drop table t1
Log_name Pos Event_type Server_id Orig_log_pos Info
master-bin.002 4 Query 1 4 use test; create table t1 (n int)
master-bin.002 62 Query 1 62 use test; insert into t1 values (1)
master-bin.002 122 Query 1 122 use test; drop table t1
show master logs;
Log_name
master-bin.001
@ -67,45 +67,45 @@ Log_name
slave-bin.001
slave-bin.002
show binlog events in 'slave-bin.001' from 4;
Log_name Pos Event_type Server_id Log_seq Info
slave-bin.001 4 Start 2 1 Server ver: $VERSION, Binlog ver: 2
slave-bin.001 79 Slave 2 3 host=127.0.0.1,port=$MASTER_MYPORT,log=master-bin.001,pos=4
slave-bin.001 132 Query 1 2 use test; create table t1(n int not null auto_increment primary key)
slave-bin.001 225 Intvar 1 3 INSERT_ID=1
slave-bin.001 253 Query 1 4 use test; insert into t1 values (NULL)
slave-bin.001 316 Query 1 5 use test; drop table t1
slave-bin.001 364 Query 1 6 use test; create table t1 (word char(20) not null)
slave-bin.001 439 Create_file 1 7 db=test;table=t1;file_id=1;block_len=81
slave-bin.001 618 Exec_load 1 8 ;file_id=1
slave-bin.001 641 Query 1 9 use test; drop table t1
slave-bin.001 689 Rotate 1 4 slave-bin.002;pos=4; forced by master
slave-bin.001 729 Stop 2 5
Log_name Pos Event_type Server_id Orig_log_pos Info
slave-bin.001 4 Start 2 4 Server ver: 4.0.1-alpha-debug-log, Binlog ver: 3
slave-bin.001 79 Slave 2 79 host=127.0.0.1,port=9306,log=master-bin.001,pos=4
slave-bin.001 132 Query 1 79 use test; create table t1(n int not null auto_increment primary key)
slave-bin.001 225 Intvar 1 200 INSERT_ID=1
slave-bin.001 253 Query 1 200 use test; insert into t1 values (NULL)
slave-bin.001 316 Query 1 263 use test; drop table t1
slave-bin.001 364 Query 1 311 use test; create table t1 (word char(20) not null)
slave-bin.001 439 Create_file 1 386 db=test;table=t1;file_id=1;block_len=81
slave-bin.001 618 Exec_load 1 556 ;file_id=1
slave-bin.001 641 Query 1 579 use test; drop table t1
slave-bin.001 689 Rotate 1 627 slave-bin.002;pos=4; forced by master
slave-bin.001 729 Stop 2 729
show binlog events in 'slave-bin.002' from 4;
Log_name Pos Event_type Server_id Log_seq Info
slave-bin.002 4 Slave 2 10 host=127.0.0.1,port=$MASTER_MYPORT,log=master-bin.002,pos=4
slave-bin.002 57 Query 1 1 use test; create table t1 (n int)
slave-bin.002 115 Query 1 2 use test; insert into t1 values (1)
slave-bin.002 175 Query 1 3 use test; drop table t1
Log_name Pos Event_type Server_id Orig_log_pos Info
slave-bin.002 4 Slave 2 627 host=127.0.0.1,port=9306,log=master-bin.002,pos=4
slave-bin.002 57 Query 1 4 use test; create table t1 (n int)
slave-bin.002 115 Query 1 62 use test; insert into t1 values (1)
slave-bin.002 175 Query 1 122 use test; drop table t1
show slave status;
Master_Host Master_User Master_Port Connect_retry Log_File Pos Slave_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter Last_log_seq
127.0.0.1 root $MASTER_MYPORT 1 master-bin.002 170 Yes 0 0 3
Master_Host Master_User Master_Port Connect_retry Master_Log_File Read_Master_Log_Pos Relay_Log_File Relay_Log_Pos Relay_Master_Log_File Slave_IO_Running Slave_SQL_Running Replicate_do_db Replicate_ignore_db Last_errno Last_error Skip_counter Exec_master_log_pos
127.0.0.1 root 9306 1 master-bin.002 170 mysql-relay-bin.002 935 master-bin.002 Yes Yes 0 0 170
show new master for slave with master_log_file='master-bin.001' and
master_log_pos=4 and master_log_seq=1 and master_server_id=1;
master_log_pos=4 and master_server_id=1;
Log_name Log_pos
slave-bin.001 132
show new master for slave with master_log_file='master-bin.001' and
master_log_pos=79 and master_log_seq=2 and master_server_id=1;
master_log_pos=79 and master_server_id=1;
Log_name Log_pos
slave-bin.001 225
show new master for slave with master_log_file='master-bin.001' and
master_log_pos=311 and master_log_seq=6 and master_server_id=1;
master_log_pos=311 and master_server_id=1;
Log_name Log_pos
slave-bin.001 439
show new master for slave with master_log_file='master-bin.002' and
master_log_pos=4 and master_log_seq=1 and master_server_id=1;
master_log_pos=4 and master_server_id=1;
Log_name Log_pos
slave-bin.002 57
show new master for slave with master_log_file='master-bin.002' and
master_log_pos=137 and master_log_seq=3 and master_server_id=1;
master_log_pos=122 and master_server_id=1;
Log_name Log_pos
slave-bin.002 223