141 lines
4.1 KiB
Plaintext
141 lines
4.1 KiB
Plaintext
--source include/have_ndb.inc
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--source include/have_binlog_format_mixed_or_row.inc
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--source suite/ndb_rpl/ndb_master-slave.inc
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#
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# Simple test to check that slave_allow_batching has at least a /2 effect
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# on round trips.
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# Further testing could be added in the areas of
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# - Correlation of batch size to data written
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# - Slave batching and Blobs
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# - Slave batching and hidden/autoinc keys
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# - Batching within a multi-image event with
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# slave_allow_batching=OFF
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#
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--connection master
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use test;
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--echo Create a couple of tables to defeat Binlog Injector's
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--echo creation of multi-image events which can be batch-applied
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--echo on the slave regardless of slave_allow_batching
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create table t1 (pk int primary key, a varchar(8000))
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engine=ndb character set latin1;
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create table t2 (pk int primary key, a varchar(8000))
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engine=ndb character set latin1;
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--echo Insert some data which we can later delete
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--echo This also serves to 'prime' the Slave, so that NdbApi
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--echo access related to slave setup (last_replicated_epoch fetch etc)
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--echo can be ignored.
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insert into t1 values (1, repeat("I", 80)), (2, repeat("R", 80));
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--sync_slave_with_master
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--echo First pass with slave_allow_batching OFF
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--connection slave
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set global slave_allow_batching=OFF;
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show variables like 'slave_allow_batching';
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#show status like 'ndb_api%slave';
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--source ndb_slave_exec_info_init.inc
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--connection master
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--echo Check out batching
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--echo Transaction includes deletes + inserts, and
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--echo two different tables, shouldn't be entirely batchable
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--echo without slave_allow_batching
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begin;
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delete from t1;
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insert into t1 values (3, repeat("I", 80)), (4, repeat("F", 80));
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insert into t2 values (5, repeat("B", 90)), (6, repeat("E", 90));
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commit;
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--sync_slave_with_master
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--connection slave
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#show status like 'ndb_api%slave';
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--disable_query_log
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--disable_result_log
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SELECT @start_exec_count:=@init_wait_exec_complete_count_slave;
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SELECT @start_pk_op_count:=@init_pk_op_count_slave;
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--enable_result_log
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--enable_query_log
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--source ndb_slave_exec_info_init.inc
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--disable_query_log
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--disable_result_log
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SELECT @batching_off_execs:=@init_wait_exec_complete_count_slave - @start_exec_count AS 'Exec_count';
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SELECT @batching_off_pk_ops:=@init_pk_op_count_slave - @start_pk_op_count AS 'Pk_op_count';
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--enable_result_log
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--enable_query_log
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--connection master
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delete from t1;
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delete from t2;
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insert into t1 values (1, repeat("I", 80)), (2, repeat("R", 80));
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--sync_slave_with_master
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--connection slave
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--echo Second pass with slave_allow_batching ON
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set global slave_allow_batching=ON;
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show variables like 'slave_allow_batching';
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#show status like 'ndb_api%slave';
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--source ndb_slave_exec_info_init.inc
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--connection master
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--echo Check out batching
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--echo Transaction includes deletes + inserts, and
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--echo two different tables, shouldn't be batchable
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--echo without slave_allow_batching
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begin;
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delete from t1;
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insert into t1 values (3, repeat("I", 80)), (4, repeat("F", 80));
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insert into t2 values (5, repeat("B", 90)), (6, repeat("E", 90));
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commit;
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--sync_slave_with_master
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--connection slave
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#show status like 'ndb_api%slave';
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--echo Determine slave activity in terms of PK ops and execute() calls
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--disable_query_log
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--disable_result_log
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SELECT @start_exec_count:=@init_wait_exec_complete_count_slave;
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SELECT @start_pk_op_count:=@init_pk_op_count_slave;
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--enable_result_log
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--enable_query_log
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--source ndb_slave_exec_info_init.inc
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--disable_query_log
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--disable_result_log
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SELECT @batching_on_execs:=@init_wait_exec_complete_count_slave - @start_exec_count AS 'Exec_count';
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SELECT @batching_on_pk_ops:=@init_pk_op_count_slave - @start_pk_op_count AS 'Pk_op_count';
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--enable_result_log
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--enable_query_log
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--echo Check that test compared like-for-like, and that slave_allow_batching
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--echo came out ahead by a factor of at least 2.
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SELECT @batching_on_pk_ops = @batching_off_pk_ops AS 'Fair contest';
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SELECT @batching_off_pk_ops >=4 as 'Batching can improve matters';
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SELECT @batching_on_execs * 2 < @batching_off_execs AS 'slave_allow_batching works';
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--echo Cleanup
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--connection master
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drop table t2;
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drop table t1;
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--sync_slave_with_master
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--connection master
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--source include/rpl_end.inc
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