blob: 80f1a5e2567422d921bf635fc693998bc5d18161 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#!/bin/bash
set -e
# Insert 100 batches of 100 records each to a table with following schema:
# create table db1.t1 (
# `id` int(10) not null auto_increment,
# `k` int(10),
# `data` varchar(2048),
# primary key (`id`),
# key (`k`)
# ) engine=innodb;
MAX_INSERTS=100
MAX_ROWS_PER_INSERT=100
insertData() {
for ((i=1; i<=$MAX_INSERTS; i++));
do
stmt='INSERT INTO db1.t1 values'
for ((j=1; j<=$MAX_ROWS_PER_INSERT; j++));
do
k=$RANDOM
data=$(head -c 2048 /dev/urandom|tr -cd 'a-zA-Z0-9')
stmt=$stmt' (NULL, '$k', "'$data'")'
if [ $j -lt $MAX_ROWS_PER_INSERT ]; then
stmt=$stmt','
fi
done
stmt=$stmt';'
$MYSQL --defaults-group-suffix=.1 -e "$stmt"
done
}
NUM_PARALLEL_INSERTS=25
pids=()
for ((k=1; k<=$NUM_PARALLEL_INSERTS; k++));
do
insertData &
pids+=($!)
done
for ((k=1; k<=$NUM_PARALLEL_INSERTS; k++));
do
wait ${pids[k]}
done
|
