Download - Spider Setup with AWS/sandbox
café.naver.com/mysqlpg
Setup
■ MySQL Install Sandbox : http://mysqlsandbox.net/
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 1. 사전 요구 프로그램 설치 sudo su - yum install -y gcc automake autoconf libtool make cpan libstdc* yum install -y perl-CPAN yum install -y --skip-broken perl* cpan YAML
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 2. 그룹(mysql)/계정(maria) 생성 sudo su - mkdir -p /usr1/program mkdir -p /usr1/mysql/dba/tools groupadd -g 900 mysql cat /etc/group | grep -E 'mysql|maria' useradd maria -g mysql -d /home/maria -u 901 -c mysql_user echo 'maria:oracle' | chpasswd cat /etc/passwd | grep -E 'mysql|maria' chown -R maria:mysql /usr1 ls -l /usr1
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 3. Sandbox Download & Compile sudo su - cd /usr1/program wget http://search.cpan.org/CPAN/authors/id/G/GM/GMAX/MySQL-Sandbox-3.1.05.tar.gz ls -l MySQL-Sandbox* tar xvfz MySQL-Sandbox-3.1.05.tar.gz cd MySQL-Sandbox-3.1.05 perl Makefile.PL make && make test make install
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 4. MariaDB 10.1 (SpiderNode) / MySQL 5.7 (DataNode) Binary Download su - maria cd /usr1/program/ wget http://ftp.kaist.ac.kr/mariadb//mariadb-10.1.12/bintar-linux-glibc_214-x86_64/mariadb-10.1.12-linux-glibc_214-x86_64.tar.gz tar xvfz mariadb-10.1.12-linux-glibc_214-x86_64.tar.gz mv mariadb-10.1.12-linux-glibc_214-x86_64 /usr1/mysql/10.1.12 wget https://downloads.mariadb.com/archives/mysql-5.7/mysql-5.7.11-linux-glibc2.5-x86_64.tar.gz tar zxvf mysql-5.7.11-linux-glibc2.5-x86_64.tar.gz mv mysql-5.7.11-linux-glibc2.5-x86_64 /usr1/mysql/5.7.11 ls -l /usr1/mysql chown -R maria:mysql /usr1
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 5. Multi Instance Install (Spider : 4, Data : 6) su - maria cd /usr1/mysql mkdir -p /usr1/mysql/sandboxes make_multiple_sandbox -r spider_node 10.1.12 --upper_directory=/usr1/mysql/sandboxes --how_many_nodes=4 make_multiple_sandbox -r data_node 5.7.11 --upper_directory=/usr1/mysql/sandboxes --how_many_nodes=6 ps -ef | awk -F ' ' '{print $2, $9;}' | grep mysqld_safe 6479 /usr1/mysql/10.1.12/bin/mysqld_safe … 7604 /usr1/mysql/5.7.11/bin/mysqld_safe … netstat -nap | grep LISTEN | grep mysql
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 5. Multi Instance Install # Port 변경 (Spider Node) cd /usr1/mysql/sandboxes/spider_node && ./stop_all cd /usr1/mysql/sandboxes/spider_node/node1 && ./change_ports 3306 cd /usr1/mysql/sandboxes/spider_node/node2 && ./change_ports 3307 cd /usr1/mysql/sandboxes/spider_node/node3 && ./change_ports 9906 cd /usr1/mysql/sandboxes/spider_node/node4 && ./change_ports 9907 cd /usr1/mysql/sandboxes/spider_node && ./start_all cd /usr1/mysql/sandboxes/spider_node && ./status_all cd /usr1/mysql/sandboxes/spider_node && ./use_all -e " select version()" netstat -nap | grep LISTEN | grep mysql
3306
10001
10002
10003
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 5. Multi Instance Install # Port 변경 (Data Node) cd /usr1/mysql/sandboxes/data_node && ./stop_all cd /usr1/mysql/sandboxes/data_node/node1 && ./change_ports 10001 cd /usr1/mysql/sandboxes/data_node/node2 && ./change_ports 10002 cd /usr1/mysql/sandboxes/data_node/node3 && ./change_ports 10003 cd /usr1/mysql/sandboxes/data_node/node4 && ./change_ports 20001 cd /usr1/mysql/sandboxes/data_node/node5 && ./change_ports 20002 cd /usr1/mysql/sandboxes/data_node/node6 && ./change_ports 20003 cd /usr1/mysql/sandboxes/data_node && ./start_all cd /usr1/mysql/sandboxes/data_node && ./status_all cd /usr1/mysql/sandboxes/data_node && ./use_all -e " select version()" netstat -nap | grep LISTEN | grep mysql
3306
10001
10002
10003
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 6. Define an easy way to access the nodes from the MariaDB or MySQL client su - maria alias spider1='/usr1/mysql/10.1.12/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=3306 --socket=/tmp/mysql_sandbox3306.sock' alias spider2='/usr1/mysql/10.1.12/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=3307 --socket=/tmp/mysql_sandbox3307.sock' alias spider3='/usr1/mysql/10.1.12/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=9906 --socket=/tmp/mysql_sandbox9906.sock' alias spider4='/usr1/mysql/10.1.12/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=9907 --socket=/tmp/mysql_sandbox9907.sock' alias backend1='/usr1/mysql/5.7.11/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=10001 --socket=/tmp/mysql_sandbox10001.sock' alias backend2='/usr1/mysql/5.7.11/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=10002 --socket=/tmp/mysql_sandbox10002.sock' alias backend3='/usr1/mysql/5.7.11/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=10003 --socket=/tmp/mysql_sandbox10003.sock' alias backend11='/usr1/mysql/5.7.11/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=20001 --socket=/tmp/mysql_sandbox20001.sock' alias backend12='/usr1/mysql/5.7.11/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=20002 --socket=/tmp/mysql_sandbox20002.sock' alias backend13='/usr1/mysql/5.7.11/bin/mysql --user=msandbox --password=msandbox --host=localhost --port=20003 --socket=/tmp/mysql_sandbox20003.sock'
$ spider1 -e "select version()" +-----------------+ | version() | +-----------------+ | 10.1.12-MariaDB | +-----------------+
$ backend1 -e "select version()" +------------+ | version() | +------------+ | 5.7.11-log | +------------+
café.naver.com/mysqlpg
Setup
■ MySQL Install Step 6. Define an easy way to access the nodes from the MariaDB or MySQL client su – maria cd /usr1/mysql/dba
café.naver.com/mysqlpg
Architecture
■ Type Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
# Federation # Sharding # High Availability
café.naver.com/mysqlpg
Architecture
■ Federation Without connection pool or MariaDB thread pool, HaProxy and Spider have been protecting the tcp socket overflow without specific TCP tuning.
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
backend1 << EOF DROP DATABASE IF EXISTS backend ; CREATE DATABASE backend; CREATE TABLE backend.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB; DESC backend.sbtest; EOF
①
café.naver.com/mysqlpg
Architecture
■ Federation
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF DROP SERVER IF EXISTS backend1; CREATE SERVER backend1 FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘ , DATABASE 'backend‘ , USER 'msandbox‘ , PASSWORD 'msandbox‘ , PORT 10001); EOF ②
café.naver.com/mysqlpg
Architecture
■ Federation
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF CREATE DATABASE IF NOT EXISTS test; DROP TABLE IF EXISTS test.sbtest; CREATE TABLE test.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=spider COMMENT='wrapper "mysql",srv "backend1"'; SELECT * FROM test.sbtest LIMIT 10; EOF
③
café.naver.com/mysqlpg
Architecture
■ Federation & HA
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
backend1 << EOF CREATE TABLE backend.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB; EOF backend2 << EOF … EOF backend3 << EOF … EOF
① ①
café.naver.com/mysqlpg
Architecture
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF CREATE SERVER backend1 FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘ , DATABASE 'backend‘ , USER 'msandbox‘ , PASSWORD 'msandbox‘ , PORT 10001); CREATE SERVER backend2 FOREIGN DATA WRAPPER mysql … CREATE SERVER backend3 FOREIGN DATA WRAPPER mysql … EOF
■ Federation & HA
②
café.naver.com/mysqlpg
Architecture
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF CREATE DATABASE IF NOT EXISTS test; DROP TABLE IF EXISTS test.sbtest; CREATE TABLE test.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=spider COMMENT='wrapper "mysql",srv "backend1 backend2 backend3"'; SELECT * FROM test.sbtest LIMIT 10; EOF
■ Federation & HA
③
café.naver.com/mysqlpg
Architecture
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF TRUNCATE TABLE test.sbtest; Insert into test.sbtest values (1, 100, 'A', 'A1'); Insert into test.sbtest values (2, 200, 'A', 'A1'); Insert into test.sbtest values (3, 300, 'A', 'A1'); Insert into test.sbtest values (4, 400, 'A', 'A1'); Insert into test.sbtest values (5, 500, 'A', 'A1'); SELECT * FROM test.sbtest;
EOF backend1 -e"select count(*) from backend.sbtest;" backend2 -e"select count(*) from backend.sbtest;" backend3 -e"select count(*) from backend.sbtest;" +----------+ | count(*) | +----------+ | 5 | +----------+
■ Federation & HA
④
동일한 데이터를 확인할 수 있음 !
café.naver.com/mysqlpg
Architecture
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
cd /usr1/mysql/sandboxes/data_node/node2 && ./stop spider1 -e "Insert into test.sbtest values (11, 1100, 'A', 'A1');" -- ERROR 1429 (HY000) at line 1: Unable to connect to foreign data source: backend2 backend1 -e"select count(*) from backend.sbtest;" -- 5 backend2 -e"select count(*) from backend.sbtest;" -- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql_sandbox10002.sock' (2) backend3 -e"select count(*) from backend.sbtest;" -- 5
■ Federation & HA
Datanode2 장애유발!
café.naver.com/mysqlpg
Architecture
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
■ Federation & HA
spider1 << EOF DROP TABLE IF EXISTS test.sbtest; CREATE TABLE test.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=spider COMMENT='wrapper "mysql",srv "backend1 backend3"'; EOF spider1 -e "Insert into test.sbtest values (11, 1100, 'A', 'A1');" backend1 -e"select count(*) from backend.sbtest;" backend3 -e"select count(*) from backend.sbtest;" -- 6 -- 6
복구방법 :
테이블의 정의를 변경함
으로써 빠르게 복구 가능
café.naver.com/mysqlpg
Architecture
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
backend1 << EOF CREATE TABLE backend.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB;
EOF
backend2 << EOF CREATE TABLE backend.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB;
EOF
■ Sharding Data Sharding
② ①
café.naver.com/mysqlpg
Architecture
■ Sharding
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF CREATE SERVER backend1 FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘ , DATABASE 'backend‘ , USER 'msandbox‘ , PASSWORD 'msandbox‘ , PORT 10001); CREATE SERVER backend2 FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘ , DATABASE 'backend‘ , USER 'msandbox‘ , PASSWORD 'msandbox‘ , PORT 10002); EOF
③ ④
café.naver.com/mysqlpg
Architecture
■ Sharding
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF CREATE DATABASE IF NOT EXISTS test; CREATE TABLE test.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=spider COMMENT='wrapper "mysql", table "sbtest"'
PARTITION BY KEY (id) ( PARTITION pt1 COMMENT = 'srv "backend1"' , PARTITION pt2 COMMENT = 'srv "backend2"' ); SELECT count(*) FROM test.sbtest LIMIT 10; EOF
⑤
café.naver.com/mysqlpg
Architecture
■ Sharding
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF TRUNCATE TABLE test.sbtest; Insert into test.sbtest values (1, 100, 'A', 'A1'); Insert into test.sbtest values (2, 200, 'A', 'A1'); Insert into test.sbtest values (3, 300, 'A', 'A1'); Insert into test.sbtest values (4, 400, 'A', 'A1'); Insert into test.sbtest values (5, 500, 'A', 'A1'); SELECT * FROM test.sbtest; EOF
backend1 -e"select count(*) from backend.sbtest;"
-- 3
backend2 -e"select count(*) from backend.sbtest;"
-- 2
⑥
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
backend1 << EOF CREATE TABLE backend.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB; CREATE TABLE backend_rpl.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB;
EOF
backend2 << EOF CREATE TABLE backend.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB; CREATE TABLE backend_rpl.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=InnoDB;
EOF
② ①
back1 back1_rpl back2 back2_rpl
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
spider1 << EOF CREATE SERVER backend1 FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘, DATABASE 'backend‘ , … , PORT 10001); CREATE SERVER backend1_rpl FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘, DATABASE 'backend_rpl‘, … , PORT 10001); CREATE SERVER backend2 FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘, DATABASE 'backend‘ , … , PORT 10002); CREATE SERVER backend2_rpl FOREIGN DATA WRAPPER mysql OPTIONS( HOST '127.0.0.1‘, DATABASE 'backend_rpl‘, … , PORT 10002); EOF
back1 back1_rpl back2 back2_rpl
④ ③
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
spider1 << EOF CREATE DATABASE IF NOT EXISTS test; CREATE TABLE test.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT , k int unsigned NOT NULL DEFAULT '0' , c char(100) NOT NULL DEFAULT '' , pad char(60) NOT NULL DEFAULT '' , PRIMARY KEY (id) , KEY k (k) ) ENGINE=spider COMMENT='wrapper "mysql", table "sbtest"' PARTITION BY KEY (id) ( PARTITION pt1 COMMENT = 'srv "backend1 backend2_rpl"' , PARTITION pt2 COMMENT = 'srv "backend2 backend1_rpl"' ); INSERT INTO test.sbtest select 10000001, 0, '' ,'replicas test'; EOF
⑤
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
backend1 -e "SELECT * FROM backend.sbtest WHERE id=10000001"; +----------+---+---+---------------+ | id | k | c | pad | +----------+---+---+---------------+ | 10000001 | 0 | | replicas test | +----------+---+---+---------------+ backend2 -e "SELECT * FROM backend.sbtest where id=10000001"; backend2 -e "SELECT * FROM backend_rpl.sbtest where id=10000001"; +----------+---+---+---------------+ | id | k | c | pad | +----------+---+---+---------------+ | 10000001 | 0 | | replicas test | +----------+---+---+---------------+
⑥
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
spider1 << EOF insert into test.sbtest values (1, 100, 'A', 'A1'); insert into test.sbtest values (2, 200, 'A', 'A1'); insert into test.sbtest values (3, 300, 'A', 'A1'); insert into test.sbtest values (4, 400, 'A', 'A1'); insert into test.sbtest values (5, 500, 'A', 'A1'); EOF backend1 -e "select (select count(*) from backend.sbtest) as cnt1 , (select count(*) from backend_rpl.sbtest) as cnt2" +------+------+ | cnt1 | cnt2 | +------+------+ | 4 | 2 | +------+------+
backend2 -e "select (select count(*) from backend.sbtest) as cnt1 , (select count(*) from backend_rpl.sbtest) as cnt2" +------+------+ | cnt1 | cnt2 | +------+------+ | 2 | 4 | +------+------+
⑦
⑧
4 4 2 2
café.naver.com/mysqlpg
Architecture
■ High Availability What is happening if we stop one backend?
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
spider1 -e "SELECT * FROM test.sbtest where id=10000001"; +----------+---+---+---------------+ | id | k | c | pad | +----------+---+---+---------------+ | 10000001 | 0 | | replicas test | +----------+---+---+---------------+
cd /usr1/mysql/sandboxes/data_node/node1 && ./stop backend1 -e "SELECT * FROM backend.sbtest where id=10000001" -- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql_sandbox10001.sock'
spider1 -e "SELECT * FROM test.sbtest where id=10000001"; -- ERROR 1429 (HY000): Unable to connect to foreign data source: backend1_rpl
spider1 -e "SELECT * from mysql.spider_tables order by link_id, server";
cd /usr1/mysql/sandboxes/data_node/node1 && ./start spider1 -e "SELECT * FROM test.sbtest where id=10000001"; +----------+---+---+---------------+ | id | k | c | pad | +----------+---+---+---------------+ | 10000001 | 0 | | replicas test | +----------+---+---+---------------+
⑨
⑩
4 4 2 2
café.naver.com/mysqlpg
Architecture
■ High Availability What is happening if we stop one backend?
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
-- Data Node Replica 모니터링 등록
spider1 << EOF DROP TABLE IF EXISTS test.sbtest; CREATE TABLE test.sbtest ( id int unsigned NOT NULL AUTO_INCREMENT … ) ENGINE=spider COMMENT='wrapper "mysql", table "sbtest"' PARTITION BY KEY (id) ( PARTITION pt1 COMMENT = 'srv "backend1 backend2_rpl", mbk "2", mkd "2", msi "1", link_status "0 0"' , PARTITION pt2 COMMENT = 'srv "backend2 backend1_rpl", mbk "2", mkd "2", msi "1", link_status "0 0"'
); CREATE SERVER mon FOREIGN DATA WRAPPER mysql OPTIONS ( HOST '127.0.0.1', DATABASE 'test', … , PORT 3306); INSERT INTO mysql.spider_link_mon_servers VALUES ('%','%','%',1,'mon‘ ,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0,NULL,NULL); SELECT * FROM mysql.spider_link_mon_servers; SELECT spider_flush_table_mon_cache();
EOF
HA 모니터링을 관장할
서버의 @@Service_ID
- Spider_Node : 1, 2
- Data_Node : 101, 102
Node Status
1 : 정상, 3 : 중지
2 : 관리 작업 중
@@server_id = 1
@@server_id = 101 @@server_id = 102
⑪
café.naver.com/mysqlpg
Architecture
■ High Availability What is happening if we stop one backend?
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
spider1 -e "SELECT * FROM test.sbtest where id=10000001"; +----------+---+---+---------------+ | id | k | c | pad | +----------+---+---+---------------+ | 10000001 | 0 | | replicas test | +----------+---+---+---------------+
cd /usr1/mysql/sandboxes/data_node/node1 && ./stop backend1 -e "SELECT * FROM backend.sbtest where id=10000001" -- ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql_sandbox10001.sock'
spider1 -e "SELECT * FROM test.sbtest where id=10000001"; +----------+---+---+---------------+ | id | k | c | pad | +----------+---+---+---------------+ | 10000001 | 0 | | replicas test | +----------+---+---+---------------+
spider1 -e "SELECT * from mysql.spider_tables order by link_id, server"; +---------+--------------+--------------+-------------+ | link_id | server | table_name | link_status | +---------+--------------+--------------+-------------+ | 0 | backend1 | sbtest#P#pt1 | 3 | | 1 | backend1_rpl | sbtest#P#pt2 | 3 | | 0 | backend2 | sbtest#P#pt2 | 1 | | 1 | backend2_rpl | sbtest#P#pt1 | 1 | +---------+--------------+--------------+-------------+
데이터 조회는 되었지만,
실제는 fail 상태로 존재함
⑫
café.naver.com/mysqlpg
Architecture
■ High Availability What is happening if we stop one backend?
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
cd /usr1/mysql/sandboxes/data_node/node1 && ./start spider1 << EOF select * from mysql.spider_tables order by link_id, server, table_name; -- link status 변경 : fail -> maintenance ALTER TABLE test.sbtest ENGINE=spider COMMENT='wrapper "mysql", table "sbtest"' PARTITION BY KEY (id) ( PARTITION pt1 COMMENT = 'srv "backend1 backend2_rpl", mbk "2", mkd "2", msi "1", link_status "2 0"' , PARTITION pt2 COMMENT = 'srv "backend2 backend1_rpl", mbk "2", mkd "2", msi "1", link_status "0 2"'
); select * from mysql.spider_tables order by link_id, server, table_name; +---------+--------------+--------------+-------------+ | link_id | server | table_name | link_status | +---------+--------------+--------------+-------------+ | 0 | backend1 | sbtest#P#pt1 | 2 | | 1 | backend1_rpl | sbtest#P#pt2 | 2 | | 0 | backend2 | sbtest#P#pt2 | 1 | | 1 | backend2_rpl | sbtest#P#pt1 | 1 | +---------+--------------+--------------+-------------+
⑬
café.naver.com/mysqlpg
Architecture
■ High Availability What is happening if we stop one backend?
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
select * from mysql.spider_tables order by link_id, server, table_name; +---------+--------------+--------------+-------------+ | link_id | server | table_name | link_status | +---------+--------------+--------------+-------------+ | 0 | backend1 | sbtest#P#pt1 | 2 | | 1 | backend1_rpl | sbtest#P#pt2 | 2 | | 0 | backend2 | sbtest#P#pt2 | 1 | | 1 | backend2_rpl | sbtest#P#pt1 | 1 | +---------+--------------+--------------+-------------+
select spider_copy_tables('test.sbtest#P#pt1','1','0'); -- 1
select spider_copy_tables('test.sbtest#P#pt2','0','1'); -- 1
⑭
café.naver.com/mysqlpg
Architecture
■ High Availability What is happening if we stop one backend?
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
-- link status 변경 : maintenance -> live ALTER TABLE test.sbtest ENGINE=spider COMMENT='wrapper "mysql", table "sbtest"' PARTITION BY KEY (id) ( PARTITION pt1 COMMENT = 'srv "backend1 backend2_rpl", mbk "2", mkd "2", msi "1", link_status "1 0"' , PARTITION pt2 COMMENT = 'srv "backend2 backend1_rpl", mbk "2", mkd "2", msi "1", link_status "0 1"'
); select * from mysql.spider_tables order by link_id, server, table_name; +---------+--------------+--------------+-------------+ | link_id | server | table_name | link_status | +---------+--------------+--------------+-------------+ | 0 | backend1 | sbtest#P#pt1 | 1 | | 1 | backend1_rpl | sbtest#P#pt2 | 1 | | 0 | backend2 | sbtest#P#pt2 | 1 | | 1 | backend2_rpl | sbtest#P#pt1 | 1 | +---------+--------------+--------------+-------------+
⑮
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
back1 back1_rpl back2 back2_rpl
spider1 << EOF insert into test.sbtest values (1, 100, 'A', 'A1'); insert into test.sbtest values (2, 200, 'A', 'A1'); insert into test.sbtest values (3, 300, 'A', 'A1'); insert into test.sbtest values (4, 400, 'A', 'A1'); insert into test.sbtest values (5, 500, 'A', 'A1'); EOF backend1 -e "select (select count(*) from backend.sbtest) as cnt1 , (select count(*) from backend_rpl.sbtest) as cnt2" +------+------+ | cnt1 | cnt2 | +------+------+ | 4 | 2 | +------+------+
backend2 -e "select (select count(*) from backend.sbtest) as cnt1 , (select count(*) from backend_rpl.sbtest) as cnt2" +------+------+ | cnt1 | cnt2 | +------+------+ | 2 | 4 | +------+------+
café.naver.com/mysqlpg
Architecture
■ High Availability
Reference : https://mariadb.com/kb/en/mariadb/spider-storage-engine-overview/
select link_id, server, table_name, link_status from mysql.spider_tables order by link_id, server, table_name
café.naver.com/mysqlpg
Topology
FrontDB
Master1 Slave1
Master2 Slave2
Master3 Slave3
Master1 Slave1
Master2 Slave2
Master3 Slave3
CollectDB (ETL)
café.naver.com/mysqlpg
Topology
Master1 Slave1
Master2 Slave2
Master3 Slave3
FrontDB1
FrontDB2
CollectDB1 (admintool)
CollectDB2 (ETL)
café.naver.com/mysqlpg
Topology
Master3 Master3a
Master1 Master1a
Master2 Master2a
FrontDB1
FrontDB2
CollectDB
FrontDB
Master1 Slave1
Master2 Slave2
Master3 Slave3
Master1 Slave1
Master2 Slave2
Master3 Slave3
CollectDB (ETL)
Master1 Slave1
Master2 Slave2
Master3 Slave3
FrontDB1
FrontDB2
CollectDB1 (admintool)
CollectDB2 (ETL)
café.naver.com/mysqlpg
Topology
FrontDB
Master1 Slave1
Master2 Slave2
Master3 Slave3
Master1 Slave1
Master2 Slave2
Master3 Slave3
Master1 Slave1
Master2 Slave2
Master3 Slave3
FrontDB1
FrontDB2
Master1
Master1a
Master2
MAster2a
Master3
Master3a
FrontDB1
FrontDB2 &
CollectDB
CollectDB (ETL)
CollectDB1 (admintool)
CollectDB2 (ETL)
Master3 Master3a
Master1 Master1a
Master2 Master2a
FrontDB1
FrontDB2
café.naver.com/mysqlpg
Topology
FrontShard1 FrontShard2
Master1 Master1a
Master2 MAster2a
Spec : 12Core / 32GB
Spider : 1GB
Data1 : 6GB
Data2 : 6GB
DB Connection 수에 주의 !!!
Dev, QA Live 1단계
FrontShard1 FrontShard2
Master1 Master1a
Master2 MAster2a
DB 부하 및 서비스 오픈 전략에 맞춰 서버 배치 진행
Live 2단계