准备工作
数据库版本
生成数据
使用 TPC-H 生成数据
#TPC-H Population Generator (Version 3.0.0)
#生成10G的数据
$ ./dbgen -vf -s 10
修改my.cnf
vim /etc/my.cnf
#设置IPB为8G
innodb_buffer_pool_size = 8G
#设置并行查询的使用最大内存(此处为8G，根据具体配置设置)
parallel_memory_limit= 8G
#打开并行查询
force_parallel_execute=1
#设置双1（方便导入数据）
innodb_flush_log_at_trx_commit = 1
sync_binlog = 1
#关闭binlog
skip-log_bin
datadir = /data/GreatSQL
socket = mysql.sock
启动数据库后，可以检查配置是否生效
mysql> show variables like '%double%';
mysql> show variables like 'log_bin';
mysql> show variables like 'sync_binlog';
mysql> show variables like 'innodb_flush_log_at_trx_commit';
mysql> show variables like 'innodb_buffer_pool_size';
并行查询相关参数
mysql> show global variables like '%parall%';
+----------------------------------+----------------+
| force_parallel_execute | ON |
| innodb_parallel_dblwr_encrypt | OFF |
| innodb_parallel_doublewrite_path | xb_doublewrite |
| innodb_parallel_read_threads | 4 |
| parallel_cost_threshold | 1000 |
| parallel_default_dop | 4 |
| parallel_max_threads | 64 |
| parallel_memory_limit | 8589934592 |
| parallel_queue_timeout | 0 |
| slave_parallel_type | LOGICAL_CLOCK |
| slave_parallel_workers | 2 |
+----------------------------------+----------------+
11 rows in set (0.01 sec)
启动数据库
启动数据库：
$ systemctl start greatsql.service
文件准备
本次的工作在/data/tpch
可执行程序为dbgen,依赖一个数据分布文件dists.dss。可以将dbgen和dists.dss拷贝到同一目录使用
dss.ddl 和 dss.ri 文件
准备表结构和索引文件 dss.ddl 和 dss.ri 到工作目录
$ cd /data/tpch/tpch_2.18.0/dbgen
$ cp dss.ri /data/tpch/
$ cp dss.ddl /data/tpch/
load.sql
修改 load.sql 文件 修改文件的路径
$ cd /data/tpch/
$ cp load.sql loadfix.sql
$ vim loadfix.sql
导入数据
$ /usr/localGreatSQL-8.0.25-17/bin/mysql -uroot -S /data/GreatSQL/mysql.sock
#创建数据库
mysql> create database tpch;
mysql> use tpch;
#导入表结构
mysql> source /data/tpch/dss.ddl;
#导入数据（文件见附录）
mysql> sh loadfile
#导入索引、外键等
mysql> source /data/tpch/dssfix.ri
注：binlog要关再导入,否则binlog会爆
Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage; increase this mysqld variable and try again
查看导入的表（20G数据）
mysql> select table_name,table_rows
from information_schema.tables
where table_name in
('customer','lineitem','nation','orders','part','partsupp','region','supplier');
+------------+------------+
| TABLE_NAME | TABLE_ROWS |
+------------+------------+
| region | 5 |
| nation | 25 |
| part | 3860136 |
| supplier | 197853 |
| customer | 2884322 |
| partsupp | 17084176 |
| orders | 29678499 |
| lineitem | 87786966 |
+------------+------------+
8 rows in set (0.00 sec)
编写并运行测试脚本
#测试脚本见附录
#这里是在tmux中运行，避免因为终端关闭导致测试终止
$ sh auto.sh&
#测试结束后在当前脚本的目录查看生成的日志
$ cat tpch-PQ-******.log
测试运行时，观察相关指标。
mysql> show global status like '%PQ%';
+--------------------+-------+
| Variable_name | Value |
+--------------------+-------+
| PQ_memory_refused | 0 |
| PQ_memory_used | 0 |
| PQ_threads_refused | 0 |
| PQ_threads_running | 0 |
+--------------------+-------+
4 rows in set (0.00 sec)
mysql> show processlist;
mysql> explain for connection **;
测试结果
开启并行查询（16线程）的执行时间，与不开启并行查询的执行时间如下：
| SQL1 | SQL3 | SQL5 | SQL6 | SQL10 | SQL12 | SQL19 | |
|---|---|---|---|---|---|---|---|
| PQ16 | 1m25.645s | 1m5.514s | 8m56.306s | 35.451s | 44.564s | 59.115s | 5.771s |
| NOPQ | 6m1.724s | 5m19.083s | 37m42.078s | 2m16.331s | 1m57.998s | 2m39.672s | 24.907s |
注：本文章重点讲测试过程，具体的测试结果就不展开了。
**
**
附录-相关文件
导入脚本
$ cat loadfile
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch -f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/region.tbl' into table region FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch -f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/nation.tbl' into table nation FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch-f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/supplier.tbl' into table supplier FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch -f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/part.tbl' into table part FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch -f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/customer.tbl' into table customer FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch -f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/partsupp.tbl' into table partsupp FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch-f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/orders.tbl' into table orders FIELDS TERMINATED BY '|';" tpch &
/usr/localGreatSQL-8.0.25-17/bin/mysql -S /data/GreatSQL/mysql.sock -Dtpch-f -e "set session foreign_key_checks=0;load data infile '/data/tpch/data/lineitem.tbl' into table lineitem FIELDS TERMINATED BY '|';" tpch &
测试脚本：
脚本是东拼西凑的，写的不好，希望有大佬能指导一下
$ cat auto.sh
#include <iostream>TH=$PATH:/usr/local/bin
export PATH
#set -u
#set -x
#set -e
. ~/.bash_profile > /dev/null 2>&1
exec 3>&1 4>&2 1>> tpch-PQ-`date +'%Y%m%d%H%M%S'`.log 2>&1
# 定义要执行的SQL文件存放的目录
SQL_DIR="/data/tpch/SQLs"
# 判断目录是否存在
if [ ! -d "$SQL_DIR" ]; then
echo "SQL文件目录不存在！"
exit 1
fi
# 进入SQL文件目录
cd $SQL_DIR
I=1
II=3
while [ $I -le $II ]
do
# 执行SQL文件
for file in `ls *.sql`
do
echo "正在执行：$file"
time /usr/localGreatSQL-8.0.25-17/bin/mysql -uroot -S /data/GreatSQL/mysql.sock -Dtpch < $file
echo "SQL：$file,执行完成"
echo -e
echo "休息100s"
sleep 100
echo -e
done
echo "第$I次循环执行完成！"
I=`expr $I + 1`
done
echo "脚本结束"
dss.ddl
-- Sccsid: @(#)dss.ddl 2.1.8.1
drop database tpch;
create database tpch;
use tpch;
CREATE TABLE NATION ( N_NATIONKEY INTEGER NOT NULL,
N_NAME CHAR(25) NOT NULL,
N_REGIONKEY INTEGER NOT NULL,
N_COMMENT VARCHAR(152));
CREATE TABLE REGION ( R_REGIONKEY INTEGER NOT NULL,
R_NAME CHAR(25) NOT NULL,
R_COMMENT VARCHAR(152));
CREATE TABLE PART ( P_PARTKEY INTEGER NOT NULL,
P_NAME VARCHAR(55) NOT NULL,
P_MFGR CHAR(25) NOT NULL,
P_BRAND CHAR(10) NOT NULL,
P_TYPE VARCHAR(25) NOT NULL,
P_SIZE INTEGER NOT NULL,
P_CONTAINER CHAR(10) NOT NULL,
P_RETAILPRICE DECIMAL(15,2) NOT NULL,
P_COMMENT VARCHAR(23) NOT NULL );
CREATE TABLE SUPPLIER ( S_SUPPKEY INTEGER NOT NULL,
S_NAME CHAR(25) NOT NULL,
S_ADDRESS VARCHAR(40) NOT NULL,
S_NATIONKEY INTEGER NOT NULL,
S_PHONE CHAR(15) NOT NULL,
S_ACCTBAL DECIMAL(15,2) NOT NULL,
S_COMMENT VARCHAR(101) NOT NULL);
CREATE TABLE PARTSUPP ( PS_PARTKEY INTEGER NOT NULL,
PS_SUPPKEY INTEGER NOT NULL,
PS_AVAILQTY INTEGER NOT NULL,
PS_SUPPLYCOST DECIMAL(15,2) NOT NULL,
PS_COMMENT VARCHAR(199) NOT NULL );
CREATE TABLE CUSTOMER ( C_CUSTKEY INTEGER NOT NULL,
C_NAME VARCHAR(25) NOT NULL,
C_ADDRESS VARCHAR(40) NOT NULL,
C_NATIONKEY INTEGER NOT NULL,
C_PHONE CHAR(15) NOT NULL,
C_ACCTBAL DECIMAL(15,2) NOT NULL,
C_MKTSEGMENT CHAR(10) NOT NULL,
C_COMMENT VARCHAR(117) NOT NULL);
CREATE TABLE ORDERS ( O_ORDERKEY INTEGER NOT NULL,
O_CUSTKEY INTEGER NOT NULL,
O_ORDERSTATUS CHAR(1) NOT NULL,
O_TOTALPRICE DECIMAL(15,2) NOT NULL,
O_ORDERDATE DATE NOT NULL,
O_ORDERPRIORITY CHAR(15) NOT NULL,
O_CLERK CHAR(15) NOT NULL,
O_SHIPPRIORITY INTEGER NOT NULL,
O_COMMENT VARCHAR(79) NOT NULL);
CREATE TABLE LINEITEM ( L_ORDERKEY INTEGER NOT NULL,
L_PARTKEY INTEGER NOT NULL,
L_SUPPKEY INTEGER NOT NULL,
L_LINENUMBER INTEGER NOT NULL,
L_QUANTITY DECIMAL(15,2) NOT NULL,
L_EXTENDEDPRICE DECIMAL(15,2) NOT NULL,
L_DISCOUNT DECIMAL(15,2) NOT NULL,
L_TAX DECIMAL(15,2) NOT NULL,
L_RETURNFLAG CHAR(1) NOT NULL,
L_LINESTATUS CHAR(1) NOT NULL,
L_SHIPDATE DATE NOT NULL,
L_COMMITDATE DATE NOT NULL,
L_RECEIPTDATE DATE NOT NULL,
L_SHIPINSTRUCT CHAR(25) NOT NULL,
L_SHIPMODE CHAR(10) NOT NULL,
L_COMMENT VARCHAR(44) NOT NULL);
dss.ri
-- Sccsid: @(#)dss.ri 2.1.8.1
-- tpch Benchmark Version 8.0
-- For table REGION
ALTER TABLE tpch.REGION
ADD PRIMARY KEY (R_REGIONKEY);
-- For table NATION
ALTER TABLE tpch.NATION
ADD PRIMARY KEY (N_NATIONKEY);
ALTER TABLE tpch.NATION
ADD FOREIGN KEY NATION_FK1 (N_REGIONKEY) references tpch.REGION(R_REGIONKEY);
COMMIT WORK;
-- For table PART
ALTER TABLE tpch.PART
ADD PRIMARY KEY (P_PARTKEY);
COMMIT WORK;
-- For table SUPPLIER
ALTER TABLE tpch.SUPPLIER
ADD PRIMARY KEY (S_SUPPKEY);
ALTER TABLE tpch.SUPPLIER
ADD FOREIGN KEY SUPPLIER_FK1 (S_NATIONKEY) references tpch.NATION(N_NATIONKEY);
COMMIT WORK;
-- For table PARTSUPP
ALTER TABLE tpch.PARTSUPP
ADD PRIMARY KEY (PS_PARTKEY,PS_SUPPKEY);
COMMIT WORK;
-- For table CUSTOMER
ALTER TABLE tpch.CUSTOMER
ADD PRIMARY KEY (C_CUSTKEY);
ALTER TABLE tpch.CUSTOMER
ADD FOREIGN KEY CUSTOMER_FK1 (C_NATIONKEY) references tpch.NATION(N_NATIONKEY);
COMMIT WORK;
-- For table LINEITEM
ALTER TABLE tpch.LINEITEM
ADD PRIMARY KEY (L_ORDERKEY,L_LINENUMBER);
COMMIT WORK;
-- For table ORDERS
ALTER TABLE tpch.ORDERS
ADD PRIMARY KEY (O_ORDERKEY);
COMMIT WORK;
-- For table PARTSUPP
ALTER TABLE tpch.PARTSUPP
ADD FOREIGN KEY PARTSUPP_FK1 (PS_SUPPKEY) references tpch.SUPPLIER(S_SUPPKEY);
COMMIT WORK;
ALTER TABLE tpch.PARTSUPP
ADD FOREIGN KEY PARTSUPP_FK2 (PS_PARTKEY) references tpch.PART(P_PARTKEY);
COMMIT WORK;
-- For table ORDERS
ALTER TABLE tpch.ORDERS
ADD FOREIGN KEY ORDERS_FK1 (O_CUSTKEY) references tpch.CUSTOMER(C_CUSTKEY);
COMMIT WORK;
-- For table LINEITEM
ALTER TABLE tpch.LINEITEM
ADD FOREIGN KEY LINEITEM_FK1 (L_ORDERKEY) references tpch.ORDERS(O_ORDERKEY);
COMMIT WORK;
ALTER TABLE tpch.LINEITEM
ADD FOREIGN KEY LINEITEM_FK2 (L_PARTKEY,L_SUPPKEY) references
tpch.PARTSUPP(PS_PARTKEY,PS_SUPPKEY);
COMMIT WORK;
SQL语句
--SQL1
select /*+ PQ(16) */
l_returnflag,
l_linestatus,
sum(l_quantity) as sum_qty,
sum(l_extendedprice) as sum_base_price,
sum(l_extendedprice * (1 - l_discount)) as sum_disc_price,
sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge,
avg(l_quantity) as avg_qty,
avg(l_extendedprice) as avg_price,
avg(l_discount) as avg_disc,
count(*) as count_order
from
lineitem
where
l_shipdate <= date '1998-12-01' - interval '88' day
group by
l_returnflag,
l_linestatus
order by
l_returnflag,
l_linestatus limit 1;
--SQL3
select /*+ PQ(16) */
l_orderkey,
sum(l_extendedprice * (1 - l_discount)) as revenue,
o_orderdate,
o_shippriority
from
customer,
orders,
lineitem
where
c_mktsegment = 'MACHINERY'
and c_custkey = o_custkey
and l_orderkey = o_orderkey
and o_orderdate < date '1995-03-01'
and l_shipdate > date '1995-03-01'
group by
l_orderkey,
o_orderdate,
o_shippriority
order by
revenue desc,
o_orderdate limit 10;
--SQL6
select /*+ PQ(16) */
sum(l_extendedprice * l_discount) as revenue
from
lineitem
where
l_shipdate >= date '1993-01-01'
and l_shipdate < date '1993-01-01' + interval '1' year
and l_discount between 0.02 - 0.01 and 0.02 + 0.01
and l_quantity < 24 limit 1;
--SQL10
select /*+ PQ(16) */
c_custkey,
c_name,
sum(l_extendedprice * (1 - l_discount)) as revenue,
c_acctbal,
n_name,
c_address,
c_phone,
c_comment
from
customer,
orders,
lineitem,
nation
where
c_custkey = o_custkey
and l_orderkey = o_orderkey
and o_orderdate >= date '1994-05-01'
and o_orderdate < date '1994-05-01' + interval '3' month
and l_returnflag = 'R'
and c_nationkey = n_nationkey
group by
c_custkey,
c_name,
c_acctbal,
c_phone,
n_name,
c_address,
c_comment
order by
revenue desc limit 20;
--SQL12
select /*+ PQ(16) */
l_shipmode,
sum(case
when o_orderpriority = '1-URGENT'
or o_orderpriority = '2-HIGH'
then 1
else 0
end) as high_line_count,
sum(case
when o_orderpriority <> '1-URGENT'
and o_orderpriority <> '2-HIGH'
then 1
else 0
end) as low_line_count
from
orders,
lineitem
where
o_orderkey = l_orderkey
and l_shipmode in ('TRUCK', 'FOB')
and l_commitdate < l_receiptdate
and l_shipdate < l_commitdate
and l_receiptdate >= date '1996-01-01'
and l_receiptdate < date '1996-01-01' + interval '1' year
group by
l_shipmode
order by
l_shipmode limit 1 ;
--SQL19
select /*+ PQ(16) */
sum(l_extendedprice* (1 - l_discount)) as revenue
from
lineitem,
part
where
(
p_partkey = l_partkey
and p_brand = 'Brand#12'
and p_container in ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG')
and l_quantity >= 10 and l_quantity <= 10 + 10
and p_size between 1 and 5
and l_shipmode in ('AIR', 'AIR REG')
and l_shipinstruct = 'DELIVER IN PERSON'
)
or
(
p_partkey = l_partkey
and p_brand = 'Brand#22'
and p_container in ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK')
and l_quantity >= 15 and l_quantity <= 15 + 10
and p_size between 1 and 10
and l_shipmode in ('AIR', 'AIR REG')
and l_shipinstruct = 'DELIVER IN PERSON'
)
or
(
p_partkey = l_partkey
and p_brand = 'Brand#43'
and p_container in ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG')
and l_quantity >= 22 and l_quantity <= 22 + 10
and p_size between 1 and 15
and l_shipmode in ('AIR', 'AIR REG')
and l_shipinstruct = 'DELIVER IN PERSON'
) limit 1 ;
相关问题
参考资料
Enjoy GreatSQL ?
关于 GreatSQL
GreatSQL是由万里数据库维护的MySQL分支，专注于提升MGR可靠性及性能，支持InnoDB并行查询特性，是适用于金融级应用的MySQL分支版本。
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原文链接：https://www.cnblogs.com/greatsql/p/17371386.html
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