共计 8227 个字符，预计需要花费 21 分钟才能阅读完成。
测试 split 计时 shell 脚本参考
#!/bin/bash
# set -euxo
#如果是一个新的环境，则须要设置变量 TEST_ENV="new"
TEST_ENV=
#如果在 dble 本机导入 split 后的 mysqldump 文件，则须要设置变量 LOADIN="locally",
#如果须要将 split 后的 mysqldump 文件 cp 到后端 mysql 所在主机去执行导入，则须要设置变量 LOADIN="remote"
LOADIN="locally"
test_dir='/tmp/splittest/'
dble_conf_dir='/opt/dble/conf/'
ex_dump_file_name='benchmarksql_with_data'
dump_file_name='benchmarksql_with_data'
shardingNum=10
ex_shardingNum=10
MYSQL='/usr/bin/mysql -uxxxx -pxxxx -P3306'
MYSQL_HOST[0]='xx.xx.xx.101'
MYSQL_HOST[1]='xx.xx.xx.102'
MYSQL_HOST[2]='xx.xx.xx.105'
MYSQL_HOST[3]='xx.xx.xx.108'
DBLE_ROOT='/usr/bin/mysql -uroot -p111111 -P9066 -h127.0.0.1'
function create_backend_mysqls_from_dble_cmd () {
#make file drop_and_create_shardingnodes_10dn for further test
drop_ex_shardingnodes="${test_dir}drop_ex_shardingnodes_dnx.sql"
create_shardingnodes="${test_dir}create_shardingnodes_dnx.sql"
rm -f ${drop_ex_shardingnodes}
cat>"${drop_ex_shardingnodes}"<<EOFDROP
drop database @@shardingnode="an\$1-${ex_shardingNum}";
EOFDROP
rm -f ${create_shardingnodes}
cat>"${create_shardingnodes}"<<EOFCREATE
reload @@config_all;
create database @@shardingnode="an\$1-${shardingNum}";
EOFCREATE
${DBLE_ROOT} < ${drop_ex_shardingnodes}
if [[$? != 0]]; then
echo "fail to drop backend schema via dble admin cmd line"
exit 1
fi
#change sharding.xml conf of new_sharding.xml
mv ${dble_conf_dir}sharding.xml ${dble_conf_dir}sharding_${ex_shardingNum}.xml
mv ${dble_conf_dir}sharding_${shardingNum}.xml ${dble_conf_dir}sharding.xml
${DBLE_ROOT} < ${create_shardingnodes}
if [[$? != 0]]; then
echo "fail to create backend schema via dble admin cmd line"
exit 1
fi
# check backend mysqldbs has been created
${MYSQL} -h${MYSQL_HOST[1]} -e "show databases;" | grep "dh_dn_"
if [[$? != 0]]; then
echo "fail to create backend schema via dble admin cmd line"
fi
}
function generate_rm_old_split_dump_files () {filename="${test_dir}rm_old_split_dump_files.sh"
rm -f ${filename}
cat>"${filename}"<<EOF
#!/usr/bin/expect -f
set timeout -1
set host [lindex \$argv 0]
set file_name [lindex \$argv 1]
spawn ssh test@\$host "rm -f \$file_name.sql-an*;ls -l /tmp/splittest/"
expect "*continue connecting*"
send "yes\r"
expect "*password:"
send "mypasswordfortestuser\r"
expect eof
EOF
}
function rm_old_dump_files_on_each_shardingnodes () {rm -f ${test_dir}${ex_dump_file_name}.sql-an*
# 新环境中首次跑测试的时候须要生成这样一个文件 ${test_dir}rm_old_split_dump_files.sh
if [["${TEST_ENV}" == "new" ]]; then
generate_rm_old_split_dump_files
fi
for host in "${MYSQL_HOST[@]}";do
echo "${host}"
expect ${test_dir}rm_old_split_dump_files.sh "${host}" "${test_dir}${ex_dump_file_name}"
done
}
# split_cmd.sql 文件中有 dump_file_name，此处还能够参数化 - l 等参数的数值
function get_split_exec_cost_time () {filename="${test_dir}split_cmd.sql"
rm -f ${filename}
cat>"${filename}"<<EOF
split /opt/splitTest/${dump_file_name}.sql /tmp/splittest -sbenchmarksql;
EOF
{echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> start exec split cmd on dble manager 9066"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> startTime"
# echo "${DBLE_ROOT} < ${filename}"
echo "split /opt/splitTest/${dump_file_name}.sql /tmp/splittest -sbenchmarksql;"
}>> time_record.log
timer_start=$(date +%s)
${DBLE_ROOT} < ${filename}
if [[$? != 0]]; then
echo "$(date +["%Y-%m-%d %H:%M:%S"]) !!!!!!!!!!! fail to exec !!!!!!!!!!" >> time_record.log
fi
timer_end=$(date +%s)
duration=$(echo "$timer_end" "$timer_start" | awk '{print $1-$2}')s
{echo "dble 治理端执行 split 的耗时：${duration}"
echo "total time is ${duration}"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> endTime"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> finish exec split cmd on dble manager 9066"
echo " "
}>> time_record.log
}
# dble 本机近程连贯后端 mysql，别离并发导入
function loadAll_shardingDumpFiles_on_dble_server () {
{
echo " "
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> loadAll_shardingDumpFiles_on_dble_server startTime"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> startTime"
}>> time_record.log
timer_s=$(date +%s)
for ((i=1;i<="${shardingNum}";i++))
do
{if [ ! -f "${test_dir}${dump_file_name}.sql-an${i}.sql" ]; then
mv ${test_dir}${dump_file_name}.sql-an"${i}"-*dump ${test_dir}${dump_file_name}.sql-an"${i}".sql
fi
node=$((i % 4))
case ${node} in
1) host=${MYSQL_HOST[0]};;
2) host=${MYSQL_HOST[1]};;
3) host=${MYSQL_HOST[2]};;
0) host=${MYSQL_HOST[3]};;
esac
echo "${MYSQL} -h${host} dh_dn_${i} < ${test_dir}${dump_file_name}.sql-an${i}.sql" >> time_record.log
${MYSQL} -h${host} dh_dn_"${i}" < ${test_dir}${dump_file_name}.sql-an"${i}".sql
}&
done
wait
timer_e=$(date +%s)
tduration=$(echo "$timer_e" "$timer_s" | awk '{print $1-$2}')s
{echo "split 后的 dumpfile 文件从 dble 本机并发导入, 总时长 (即最长耗时) 为: ${tduration}"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> endTime"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> loadAll_shardingDumpFiles_on_dble_server finishTime"
echo " "
}>> time_record.log
}
# local 导入耗时不须要此处
function generate_send_split_dump_files () {filename="${test_dir}send_split_dump_files.sh"
rm -f ${filename}
cat>"${filename}"<<EOF
#!/usr/bin/expect -f
set timeout -1
set file_num [lindex \$argv 0]
set host [lindex \$argv 1]
set file_name [lindex \$argv 2]
spawn scp \$file_name.sql-an\$file_num.sql test@\$host:/tmp/splittest/.
expect "*continue connecting*"
send "yes\r"
expect "*password:"
send "mypasswordfortestuser\r"
expect eof
EOF
}
# local 导入耗时不须要此处
function change_split_dumpfile_name_and_cp_them_to_their_local () {# 新环境中首次跑测试的时候须要生成这样一个文件 ${test_dir}t_dump_files.sh
if [[("${TEST_ENV}" == "new") && ("${LOADIN}" == "remote") ]]; then
generate_send_split_dump_files
fi
{
echo " "
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> start change split filename and cp them to their local mysql server hosts"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> startTime"
}>> time_record.log
timer_st=$(date +%s)
for ((i=1;i<="${shardingNum}";i++))
do
{if [ ! -f "${test_dir}${dump_file_name}.sql-an${i}.sql" ]; then
mv ${test_dir}${dump_file_name}.sql-an"${i}"-*dump ${test_dir}${dump_file_name}.sql-an"${i}".sql
fi
node=$((i % 4))
case ${node} in
1) host=${MYSQL_HOST[0]};;
2) host=${MYSQL_HOST[1]};;
3) host=${MYSQL_HOST[2]};;
0) host=${MYSQL_HOST[3]};;
esac
# scp ${test_dir}${dump_file_name}.sql-an"${i}".sql test@${host}:/tmp/splittest/.
expect "${test_dir}"send_split_dump_files.sh "${i}" "${host}" "${test_dir}${dump_file_name}"
}
done
timer_ed=$(date +%s)
cpduration=$(echo "$timer_ed" "$timer_st" | awk '{print $1-$2}')s
{echo "split 后的 dumpfile 文件 cp 到对应后端 mysql 本机, 总时长 (即最长耗时) 为: ${cpduration}"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> endTime"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> finish change split filename and cp them to their local mysql server hosts"
echo " "
}>> time_record.log
}
function exec_romote_test_time_on_each_hosts () {
{
echo " "
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> exec_remote_loadin_on_each_host startTime"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> startTime"
}>> time_record.log
timer_s=$(date +%s)
for host in "${MYSQL_HOST[@]}"
do
{echo "${host}"
expect "${test_dir}"exec_shell_on_remote_server.sh "${host}"
}&
done
wait
timer_e=$(date +%s)
tduration=$(echo "$timer_e" "$timer_s" | awk '{print $1-$2}')s
{echo "split 后的 dumpfile 文件从后端 mysql 本机并发导入, 总时长 (即最长耗时) 为: ${tduration}"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <=======> endTime"
echo "$(date +["%Y-%m-%d %H:%M:%S"]) <==========================> exec_remote_loadin_on_each_host finishTime"
echo " "
}>> time_record.log
}
function clean_backend_schemas_and_old_dump_files () {
rm_old_dump_files_on_each_shardingnodes
create_backend_mysqls_from_dble_cmd
}
function test_of_split_dumpfile_on_mysql_respectively () {echo "NOW we are testing scp split_dumpfiles to mysql and loadin respectively,and shardingnode num is ${shardingNum}--------------------------------------------------------------">> time_record.log
clean_backend_schemas_and_old_dump_files
get_split_exec_cost_time
change_split_dumpfile_name_and_cp_them_to_their_local
exec_romote_test_time_on_each_hosts
echo "NOW we have finished the testing of scp split_dumpfiles to mysql and loadin respectively,and shardingnode num is ${shardingNum}---------------------------------------------">> time_record.log
}
function test_of_split_dumpfile_on_dbleServer () {echo "NOW we are testing loadin on dble server locally,and shardingnode num is ${shardingNum}--------------------------------------------------------------">> time_record.log
clean_backend_schemas_and_old_dump_files
get_split_exec_cost_time
loadAll_shardingDumpFiles_on_dble_server
echo "NOW we have finished the testing of loadin on dble server locally,and shardingnode num is ${shardingNum}---------------------------------------------">> time_record.log
}
if [${LOADIN} == "locally" ]; then
test_of_split_dumpfile_on_dbleServer
elif [${LOADIN} == "remote" ]; then
test_of_split_dumpfile_on_mysql_respectively
else
echo "please check the file line 7: The value of variable LOADIN should be one of'locally'or'remote';The variable maybe on line 7"
exit 1
fi正文完