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ProxySQL para mysql

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Marcelo Altmann

This document contains a presentation on ProxySQL for MySQL given by Marcelo Altmann at a MySQL & MongoDB meetup in Sao Paulo on 11/05/2017. The agenda covers an introduction to Marcelo, an introduction to ProxySQL including its features, and examples of using ProxySQL for load balancing, firewalling, query caching, and integrations. Key features demonstrated include load balancing reads and writes across host groups, rewriting queries, blocking suspicious queries, mirroring queries to warm buffer pools, and caching queries.

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© 2017 Percona1 Marcelo Altmann ProxySQL para MySQL Mais que um simples proxy - Exemplos de uso Senior Support Engineer MySQL & MongoDB meetup - Sao Paulo 11/05/2017
© 2017 Percona2 Agenda
© 2017 Percona3 Agenda ▪ Sobre Mim ▪ ProxySQL •Introdução •Features ▪Load Balance ▪Firewall ▪Query Cache ▪Integrações ▪Outros
© 2017 Percona4 Sobre Mim
© 2017 Percona5 Marcelo Altmann ▪Engenheiro de Suporte @ percona • MySQL DBA @ IEDR (CCTLD Irlanda) ▪Oracle ACE Associate ▪Certificaçoes •Oracle Certified Professional, MySQL 5.6 Database Administrator •Oracle Certified Professional, MySQL 5.6 Developer •Oracle Certified Professional, MySQL 5 Database Administrator •Oracle Certified Professional, MySQL 5 Developer •Oracle Certified Associate, MySQL 5.0/5.1/5.5 ▪blog.marceloaltmann.com
© 2017 Percona6 ProxySQL - Introdução
© 2017 Percona7 ProxySQL - Introdução ▪ Criado e mantido por René Cannaò •MySQL Community - Contribuidor do ano (2017) ▪Open Source •http://www.proxysql.com/ •https://github.com/sysown/proxysql
© 2017 Percona8 ProxySQL - Introdução ▪ Instalação •Source Code / rpm / deb / percona repo (yum / apt-get) ▪MySQL admin interface [root@localhost ~]# mysql -u admin -padmin -P 6032 -h 127.0.0.1 --prompt='Admin> ' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 1 Server version: 5.5.30 (ProxySQL Admin Module) . . . Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. Admin>
© 2017 Percona9 ProxySQL - Introdução ▪ Camadas •Runtime - Dados que o proxySQL acessa •Main/Memory - Camada onde executamos alterações e monitoramento •Disk - Camada para persistir dados. SQLite3 •Config - Arquivo em disco que é lido caso o banco de dados SQLite3 nao exista.
© 2017 Percona10 ProxySQL - Introdução ▪ Tabelas •mysql_servers - Contém a lista de servidores. •mysql_query_rules - Contém a lista de regras para cache, reescrita e redirecionamento de queries. •mysql_users - Contém a lista de usuário para autenticação. •global_variables - Contém a lista de variáveis de configuração.
© 2017 Percona11 ProxySQL - Features
© 2017 Percona12 ProxySQL - Features - Load Balance ▪ Usuários de autenticação Admin> INSERT INTO mysql_users (username,password) VALUES ('application', 'app'); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL USERS TO RUNTIME ; Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL USERS FROM RUNTIME; -- Hack para o plain-text password Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL USERS TO DISK ; Query OK, 0 rows affected (0.01 sec)
© 2017 Percona13 ProxySQL - Features - Load Balance ▪ Redirecionamento do tráfego para lista de servidores Admin> INSERT INTO mysql_servers (hostname) VALUES ('192.168.19.71'),('192.168.19.72'),('192.168.19.73'); Query OK, 3 rows affected (0.00 sec) Admin> LOAD MYSQL SERVERS TO RUNTIME; Query OK, 0 rows affected (0.01 sec) Admin> SAVE MYSQL SERVERS TO DISK; Query OK, 0 rows affected (0.02 sec)
© 2017 Percona14 ProxySQL - Features - Load Balance ▪ Redirecionamento do tráfego para lista de servidores [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id" +-------------+ | @@server_id | +-------------+ | 2 | +-------------+ [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id" +-------------+ | @@server_id | +-------------+ | 3 | +-------------+ [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id" +-------------+ | @@server_id | +-------------+ | 1 | +-------------+
© 2017 Percona15 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas •Host Groups - Agrupamento de servidores Admin> UPDATE mysql_servers SET hostgroup_id = 1 WHERE hostname <> '192.168.19.71'; Admin> SELECT hostgroup_id, hostname FROM mysql_servers; +--------------+---------------+ | hostgroup_id | hostname | +--------------+---------------+ | 0 | 192.168.19.71 | | 1 | 192.168.19.72 | | 1 | 192.168.19.73 | +--------------+---------------+ Admin> LOAD MYSQL SERVERS TO RUNTIME; Admin> SAVE MYSQL SERVERS TO DISK;
© 2017 Percona16 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas Admin> SELECT username, default_hostgroup FROM mysql_users; +-------------+-------------------+ | username | default_hostgroup | +-------------+-------------------+ | application | 0 | +-------------+-------------------+ 1 row in set (0.00 sec)
© 2017 Percona17 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas Admin> INSERT INTO mysql_query_rules (rule_id,active,match_digest,destination_hostgroup) -> VALUES -> (1,1,'^SELECT.*FOR UPDATE$',0), -> (2,1,'^SELECT',1); Query OK, 2 rows affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME; Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL QUERY RULES TO DISK; Query OK, 0 rows affected (0.01 sec)
© 2017 Percona18 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "INSERT INTO test.t1 VALUES (@@server_id)" [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id, server FROM test.t1" +-------------+--------+ | @@server_id | server | +-------------+--------+ | 3 | 1 | +-------------+--------+ [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id, server FROM test.t1" +-------------+--------+ | @@server_id | server | +-------------+--------+ | 2 | 1 | +-------------+--------+
© 2017 Percona19 ProxySQL - Features - Stats ▪ SHOW TABLES FROM stats; •Stats_mysql_commands_counters - Contador baseado em comandos •Stats_mysql_connection_pool - Conexoes por servidor •Stats_mysql_global - Estatisticas globais •Stats_mysql_processlist - SHOW PROCESSLIST •Stats_mysql_query_digest - Contador agrupado por digest •Stats_mysql_query_rules - Contador baseado nas query rules
© 2017 Percona20 ProxySQL - Features - Reescrita de query ▪ stats_mysql_query_digest Admin> SELECT digest, digest_text, sum_time FROM stats_mysql_query_digest ORDER BY sum_time DESC LIMIT 1; +--------------------+-----------------------------------------+----------+ | digest | digest_text | sum_time | +--------------------+-----------------------------------------+----------+ | 0xD69E622A5052289E | SELECT * FROM world.city WHERE Name = ? | 7016461 | +--------------------+-----------------------------------------+----------+ Admin> INSERT INTO mysql_query_rules (rule_id,active,match_pattern, replace_pattern) VALUES (3,1, '^SELECT * FROM world.city WHERE Name = (.*)$', 'SELECT Population FROM world.city WHERE Name = 1'); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME; Query OK, 0 rows affected (0.01 sec) Admin> SAVE MYSQL QUERY RULES TO DISK; Query OK, 0 rows affected (0.01 sec)
© 2017 Percona21 ProxySQL - Features - Reescrita de query [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT * FROM world.city WHERE Name = 'São Paulo'" +------------+ | Population | +------------+ | 9968485 | +------------+
© 2017 Percona22 ProxySQL - Features - Firewall ▪Bloquear queries - SQL INJECTION! •Original query: SELECT Name FROM world.city WHERE Name = ‘?’ •SQL Injection: ? = São Paulo' OR ID > 0; -- •SELECT Name FROM world.city WHERE Name = 'São Paulo' OR ID > 0; --' Admin> SELECT username, digest, digest_text FROM stats_mysql_query_digest WHERE digest_text LIKE '% OR ID %' ORDER BY first_seen DESC LIMIT 1; +-------------+--------------------+------------------------------------------------------+ | username | digest | digest_text | +-------------+--------------------+------------------------------------------------------+ | application | 0xD8AF41BF32707ABD | SELECT Name FROM world.city WHERE Name = ? OR ID > ? | +-------------+--------------------+------------------------------------------------------+ 1 row in set (0.00 sec)
© 2017 Percona23 ProxySQL - Features - Firewall Admin> INSERT INTO mysql_query_rules (rule_id, active, digest, error_msg, apply) VALUES (4,1,'0xD8AF41BF32707ABD','Suspeita de SQL Injection',1); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK; Query OK, 0 rows affected (0.01 sec) Query OK, 0 rows affected (0.01 sec) [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT Name FROM world.city WHERE Name = 'São Paulo' OR ID > 0; --' " ERROR 1148 (42000) at line 1: Suspeita de SQL Injection
© 2017 Percona24 ProxySQL - Features - Mirror ▪Espelhar queries em outros servidores •Testar configurações •Standby Master - Manter buffer pool quente •Testar workload em versões diferentes - Upgrades •Troubleshooting
© 2017 Percona25 ProxySQL - Features - Mirror ▪Esquentar buffer pool Admin> INSERT INTO mysql_servers (hostgroup_id, hostname) VALUES (2, '192.168.29.29'); Admin> LOAD MYSQL SERVERS TO RUNTIME; SAVE MYSQL SERVERS TO DISK; Admin> SELECT rule_id, match_digest, destination_hostgroup, mirror_hostgroup FROM mysql_query_rules WHERE rule_id=2; +---------+--------------+-----------------------+------------------+ | rule_id | match_digest | destination_hostgroup | mirror_hostgroup | +---------+--------------+-----------------------+------------------+ | 2 | ^SELECT | 1 | NULL | +---------+--------------+-----------------------+------------------+ Admin> UPDATE mysql_query_rules SET mirror_hostgroup=2 WHERE rule_id=2; Admin> LOAD MYSQL QUERY RULES TO RUNTIME; Admin> SAVE MYSQL QUERY RULES TO DISK;
© 2017 Percona26 ProxySQL - Features - Query Cache ▪Cache de queries baseado em TTL [root@localhost ~]# sysbench --num-threads=16 --max-requests=0 --max-time=60 --test=/usr/share/doc/sysbench/tests/db/oltp.lua --mysql- user=application --mysql-password=app --mysql-db=test --mysql-host=127.0.0.1 --mysql-port=6033 --oltp-table-size=10000 --oltp-read-only=on --oltp-skip-trx=on --oltp-point-selects=100 --oltp-simple-ranges=1 --oltp-sum-ranges=1 --oltp-order-ranges=1 --oltp-distinct-ranges=1 run | grep 'read/write requests' read/write requests: 105664 (1744.81 per sec.) Admin> SELECT count_star,sum_time,hostgroup,digest,digest_text FROM stats_mysql_query_digest ORDER BY sum_time DESC; +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | count_star | sum_time | hostgroup | digest | digest_text | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | 100200 | 459147213 | 1 | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | | 1002 | 6533622 | 1 | 0xF7D3CD60704822A0 | SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 1002 | 6061540 | 1 | 0x877EEAAFADF3DDF2 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 1002 | 5905677 | 1 | 0xAF7A51977DD56217 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? | | 1002 | 5321376 | 1 | 0x3E268CF3E75DB831 | SELECT SUM(K) FROM sbtest1 WHERE id BETWEEN ? AND ?+? | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+
© 2017 Percona27 ProxySQL - Features - Query Cache Admin> INSERT INTO mysql_query_rules (rule_id,active,digest,cache_ttl,apply) VALUES (5,1, '0xBF001A0C13781C1D' ,2000,1); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK; [root@localhost ~]# sysbench --num-threads=16 --max-requests=0 --max-time=60 --test=/usr/share/doc/sysbench/tests/db/oltp.lua --mysql- user=application --mysql-password=app --mysql-db=test --mysql-host=127.0.0.1 --mysql-port=6033 --oltp-table-size=10000 --oltp-read-only=on --oltp-skip-trx=on --oltp-point-selects=100 --oltp-simple-ranges=1 --oltp-sum-ranges=1 --oltp-order-ranges=1 --oltp-distinct-ranges=1 run | grep 'read/write requests' read/write requests: 238680 (3956.42 per sec.) Admin> SELECT count_star,sum_time,hostgroup,digest,digest_text FROM stats_mysql_query_digest ORDER BY sum_time DESC; +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | count_star | sum_time | hostgroup | digest | digest_text | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | 140512 | 632180517 | 1 | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | | 3372 | 18351846 | 1 | 0xF7D3CD60704822A0 | SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 3372 | 17739689 | 1 | 0x877EEAAFADF3DDF2 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 3372 | 17709660 | 1 | 0xAF7A51977DD56217 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? | | 3372 | 15646777 | 1 | 0x3E268CF3E75DB831 | SELECT SUM(K) FROM sbtest1 WHERE id BETWEEN ? AND ?+? | | 196688 | 0 | -1 | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+
© 2017 Percona28 ProxySQL - Features - Query Cache Admin> SHOW VARIABLES LIKE 'mysql-query_cache%'; +---------------------------+-------+ | Variable_name | Value | +---------------------------+-------+ | mysql-query_cache_size_MB | 256 | +---------------------------+-------+ 1 row in set (0.00 sec) Admin> SET mysql-query_cache_size_MB=512; Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL VARIABLES TO RUNTIME; Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL VARIABLES TO DISK; Query OK, 72 rows affected (0.03 sec)
© 2017 Percona29 ProxySQL - Features - Query Cache Admin> SELECT * FROM stats_mysql_global WHERE Variable_Name LIKE 'Query_Cache%'; +--------------------------+----------------+ | Variable_Name | Variable_Value | +--------------------------+----------------+ | Query_Cache_Memory_bytes | 4469785 | -- Resultset armazenado no QC | Query_Cache_count_GET | 542750 | -- Número de GET’s executados no QC | Query_Cache_count_GET_OK | 441122 | -- Número de GET’s que retornaram OK (Query estava em cache e nao estava expirada) | Query_Cache_count_SET | 101626 | -- Número de Resulset’s inseridos no QC | Query_Cache_bytes_IN | 19613818 | -- Bytes escritos no QC | Query_Cache_bytes_OUT | 85136546 | -- Bytes lidos do QC | Query_Cache_Purged | 100257 | -- Número de queries Purged | Query_Cache_Entries | 1369 | -- Queries atualmente no QC +--------------------------+----------------+
© 2017 Percona30 ProxySQL - Features - Integrações ▪MHA (sem alterar DNS ou VIP) •https://www.percona.com/blog/2016/09/13/proxysql-and-mha-integration/ ▪Galera / Percona XtraDB Cluster •https://www.percona.com/blog/2016/09/15/proxysql-percona-cluster-galera- integration/
© 2017 Percona31 Estamos Contratando !!! - Senior Support Engineer - Brazil - Americas - Inglês fluente - Manjar de MySQL percona.com/careers
© 2017 Percona32 Perguntas?
© 2017 Percona33 DATABASE PERFORMANCE MATTERS Database Performance MattersDatabase Performance MattersDatabase Performance MattersDatabase Performance MattersDatabase Performance Matters Obrigado!

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ProxySQL para mysql

  • 1. © 2017 Percona1 Marcelo Altmann ProxySQL para MySQL Mais que um simples proxy - Exemplos de uso Senior Support Engineer MySQL & MongoDB meetup - Sao Paulo 11/05/2017
  • 3. © 2017 Percona3 Agenda ▪ Sobre Mim ▪ ProxySQL •Introdução •Features ▪Load Balance ▪Firewall ▪Query Cache ▪Integrações ▪Outros
  • 5. © 2017 Percona5 Marcelo Altmann ▪Engenheiro de Suporte @ percona • MySQL DBA @ IEDR (CCTLD Irlanda) ▪Oracle ACE Associate ▪Certificaçoes •Oracle Certified Professional, MySQL 5.6 Database Administrator •Oracle Certified Professional, MySQL 5.6 Developer •Oracle Certified Professional, MySQL 5 Database Administrator •Oracle Certified Professional, MySQL 5 Developer •Oracle Certified Associate, MySQL 5.0/5.1/5.5 ▪blog.marceloaltmann.com
  • 6. © 2017 Percona6 ProxySQL - Introdução
  • 7. © 2017 Percona7 ProxySQL - Introdução ▪ Criado e mantido por René Cannaò •MySQL Community - Contribuidor do ano (2017) ▪Open Source •http://www.proxysql.com/ •https://github.com/sysown/proxysql
  • 8. © 2017 Percona8 ProxySQL - Introdução ▪ Instalação •Source Code / rpm / deb / percona repo (yum / apt-get) ▪MySQL admin interface [root@localhost ~]# mysql -u admin -padmin -P 6032 -h 127.0.0.1 --prompt='Admin> ' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 1 Server version: 5.5.30 (ProxySQL Admin Module) . . . Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. Admin>
  • 9. © 2017 Percona9 ProxySQL - Introdução ▪ Camadas •Runtime - Dados que o proxySQL acessa •Main/Memory - Camada onde executamos alterações e monitoramento •Disk - Camada para persistir dados. SQLite3 •Config - Arquivo em disco que é lido caso o banco de dados SQLite3 nao exista.
  • 10. © 2017 Percona10 ProxySQL - Introdução ▪ Tabelas •mysql_servers - Contém a lista de servidores. •mysql_query_rules - Contém a lista de regras para cache, reescrita e redirecionamento de queries. •mysql_users - Contém a lista de usuário para autenticação. •global_variables - Contém a lista de variáveis de configuração.
  • 12. © 2017 Percona12 ProxySQL - Features - Load Balance ▪ Usuários de autenticação Admin> INSERT INTO mysql_users (username,password) VALUES ('application', 'app'); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL USERS TO RUNTIME ; Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL USERS FROM RUNTIME; -- Hack para o plain-text password Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL USERS TO DISK ; Query OK, 0 rows affected (0.01 sec)
  • 13. © 2017 Percona13 ProxySQL - Features - Load Balance ▪ Redirecionamento do tráfego para lista de servidores Admin> INSERT INTO mysql_servers (hostname) VALUES ('192.168.19.71'),('192.168.19.72'),('192.168.19.73'); Query OK, 3 rows affected (0.00 sec) Admin> LOAD MYSQL SERVERS TO RUNTIME; Query OK, 0 rows affected (0.01 sec) Admin> SAVE MYSQL SERVERS TO DISK; Query OK, 0 rows affected (0.02 sec)
  • 14. © 2017 Percona14 ProxySQL - Features - Load Balance ▪ Redirecionamento do tráfego para lista de servidores [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id" +-------------+ | @@server_id | +-------------+ | 2 | +-------------+ [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id" +-------------+ | @@server_id | +-------------+ | 3 | +-------------+ [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id" +-------------+ | @@server_id | +-------------+ | 1 | +-------------+
  • 15. © 2017 Percona15 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas •Host Groups - Agrupamento de servidores Admin> UPDATE mysql_servers SET hostgroup_id = 1 WHERE hostname <> '192.168.19.71'; Admin> SELECT hostgroup_id, hostname FROM mysql_servers; +--------------+---------------+ | hostgroup_id | hostname | +--------------+---------------+ | 0 | 192.168.19.71 | | 1 | 192.168.19.72 | | 1 | 192.168.19.73 | +--------------+---------------+ Admin> LOAD MYSQL SERVERS TO RUNTIME; Admin> SAVE MYSQL SERVERS TO DISK;
  • 16. © 2017 Percona16 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas Admin> SELECT username, default_hostgroup FROM mysql_users; +-------------+-------------------+ | username | default_hostgroup | +-------------+-------------------+ | application | 0 | +-------------+-------------------+ 1 row in set (0.00 sec)
  • 17. © 2017 Percona17 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas Admin> INSERT INTO mysql_query_rules (rule_id,active,match_digest,destination_hostgroup) -> VALUES -> (1,1,'^SELECT.*FOR UPDATE$',0), -> (2,1,'^SELECT',1); Query OK, 2 rows affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME; Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL QUERY RULES TO DISK; Query OK, 0 rows affected (0.01 sec)
  • 18. © 2017 Percona18 ProxySQL - Features - Load Balance ▪ Dividir leituras e escritas [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "INSERT INTO test.t1 VALUES (@@server_id)" [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id, server FROM test.t1" +-------------+--------+ | @@server_id | server | +-------------+--------+ | 3 | 1 | +-------------+--------+ [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT @@server_id, server FROM test.t1" +-------------+--------+ | @@server_id | server | +-------------+--------+ | 2 | 1 | +-------------+--------+
  • 19. © 2017 Percona19 ProxySQL - Features - Stats ▪ SHOW TABLES FROM stats; •Stats_mysql_commands_counters - Contador baseado em comandos •Stats_mysql_connection_pool - Conexoes por servidor •Stats_mysql_global - Estatisticas globais •Stats_mysql_processlist - SHOW PROCESSLIST •Stats_mysql_query_digest - Contador agrupado por digest •Stats_mysql_query_rules - Contador baseado nas query rules
  • 20. © 2017 Percona20 ProxySQL - Features - Reescrita de query ▪ stats_mysql_query_digest Admin> SELECT digest, digest_text, sum_time FROM stats_mysql_query_digest ORDER BY sum_time DESC LIMIT 1; +--------------------+-----------------------------------------+----------+ | digest | digest_text | sum_time | +--------------------+-----------------------------------------+----------+ | 0xD69E622A5052289E | SELECT * FROM world.city WHERE Name = ? | 7016461 | +--------------------+-----------------------------------------+----------+ Admin> INSERT INTO mysql_query_rules (rule_id,active,match_pattern, replace_pattern) VALUES (3,1, '^SELECT * FROM world.city WHERE Name = (.*)$', 'SELECT Population FROM world.city WHERE Name = 1'); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME; Query OK, 0 rows affected (0.01 sec) Admin> SAVE MYSQL QUERY RULES TO DISK; Query OK, 0 rows affected (0.01 sec)
  • 21. © 2017 Percona21 ProxySQL - Features - Reescrita de query [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT * FROM world.city WHERE Name = 'São Paulo'" +------------+ | Population | +------------+ | 9968485 | +------------+
  • 22. © 2017 Percona22 ProxySQL - Features - Firewall ▪Bloquear queries - SQL INJECTION! •Original query: SELECT Name FROM world.city WHERE Name = ‘?’ •SQL Injection: ? = São Paulo' OR ID > 0; -- •SELECT Name FROM world.city WHERE Name = 'São Paulo' OR ID > 0; --' Admin> SELECT username, digest, digest_text FROM stats_mysql_query_digest WHERE digest_text LIKE '% OR ID %' ORDER BY first_seen DESC LIMIT 1; +-------------+--------------------+------------------------------------------------------+ | username | digest | digest_text | +-------------+--------------------+------------------------------------------------------+ | application | 0xD8AF41BF32707ABD | SELECT Name FROM world.city WHERE Name = ? OR ID > ? | +-------------+--------------------+------------------------------------------------------+ 1 row in set (0.00 sec)
  • 23. © 2017 Percona23 ProxySQL - Features - Firewall Admin> INSERT INTO mysql_query_rules (rule_id, active, digest, error_msg, apply) VALUES (4,1,'0xD8AF41BF32707ABD','Suspeita de SQL Injection',1); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK; Query OK, 0 rows affected (0.01 sec) Query OK, 0 rows affected (0.01 sec) [root@localhost ~]# mysql -u application -papp -P 6033 -h 127.0.0.1 -e "SELECT Name FROM world.city WHERE Name = 'São Paulo' OR ID > 0; --' " ERROR 1148 (42000) at line 1: Suspeita de SQL Injection
  • 24. © 2017 Percona24 ProxySQL - Features - Mirror ▪Espelhar queries em outros servidores •Testar configurações •Standby Master - Manter buffer pool quente •Testar workload em versões diferentes - Upgrades •Troubleshooting
  • 25. © 2017 Percona25 ProxySQL - Features - Mirror ▪Esquentar buffer pool Admin> INSERT INTO mysql_servers (hostgroup_id, hostname) VALUES (2, '192.168.29.29'); Admin> LOAD MYSQL SERVERS TO RUNTIME; SAVE MYSQL SERVERS TO DISK; Admin> SELECT rule_id, match_digest, destination_hostgroup, mirror_hostgroup FROM mysql_query_rules WHERE rule_id=2; +---------+--------------+-----------------------+------------------+ | rule_id | match_digest | destination_hostgroup | mirror_hostgroup | +---------+--------------+-----------------------+------------------+ | 2 | ^SELECT | 1 | NULL | +---------+--------------+-----------------------+------------------+ Admin> UPDATE mysql_query_rules SET mirror_hostgroup=2 WHERE rule_id=2; Admin> LOAD MYSQL QUERY RULES TO RUNTIME; Admin> SAVE MYSQL QUERY RULES TO DISK;
  • 26. © 2017 Percona26 ProxySQL - Features - Query Cache ▪Cache de queries baseado em TTL [root@localhost ~]# sysbench --num-threads=16 --max-requests=0 --max-time=60 --test=/usr/share/doc/sysbench/tests/db/oltp.lua --mysql- user=application --mysql-password=app --mysql-db=test --mysql-host=127.0.0.1 --mysql-port=6033 --oltp-table-size=10000 --oltp-read-only=on --oltp-skip-trx=on --oltp-point-selects=100 --oltp-simple-ranges=1 --oltp-sum-ranges=1 --oltp-order-ranges=1 --oltp-distinct-ranges=1 run | grep 'read/write requests' read/write requests: 105664 (1744.81 per sec.) Admin> SELECT count_star,sum_time,hostgroup,digest,digest_text FROM stats_mysql_query_digest ORDER BY sum_time DESC; +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | count_star | sum_time | hostgroup | digest | digest_text | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | 100200 | 459147213 | 1 | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | | 1002 | 6533622 | 1 | 0xF7D3CD60704822A0 | SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 1002 | 6061540 | 1 | 0x877EEAAFADF3DDF2 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 1002 | 5905677 | 1 | 0xAF7A51977DD56217 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? | | 1002 | 5321376 | 1 | 0x3E268CF3E75DB831 | SELECT SUM(K) FROM sbtest1 WHERE id BETWEEN ? AND ?+? | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+
  • 27. © 2017 Percona27 ProxySQL - Features - Query Cache Admin> INSERT INTO mysql_query_rules (rule_id,active,digest,cache_ttl,apply) VALUES (5,1, '0xBF001A0C13781C1D' ,2000,1); Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL QUERY RULES TO RUNTIME;SAVE MYSQL QUERY RULES TO DISK; [root@localhost ~]# sysbench --num-threads=16 --max-requests=0 --max-time=60 --test=/usr/share/doc/sysbench/tests/db/oltp.lua --mysql- user=application --mysql-password=app --mysql-db=test --mysql-host=127.0.0.1 --mysql-port=6033 --oltp-table-size=10000 --oltp-read-only=on --oltp-skip-trx=on --oltp-point-selects=100 --oltp-simple-ranges=1 --oltp-sum-ranges=1 --oltp-order-ranges=1 --oltp-distinct-ranges=1 run | grep 'read/write requests' read/write requests: 238680 (3956.42 per sec.) Admin> SELECT count_star,sum_time,hostgroup,digest,digest_text FROM stats_mysql_query_digest ORDER BY sum_time DESC; +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | count_star | sum_time | hostgroup | digest | digest_text | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+ | 140512 | 632180517 | 1 | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | | 3372 | 18351846 | 1 | 0xF7D3CD60704822A0 | SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 3372 | 17739689 | 1 | 0x877EEAAFADF3DDF2 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? ORDER BY c | | 3372 | 17709660 | 1 | 0xAF7A51977DD56217 | SELECT c FROM sbtest1 WHERE id BETWEEN ? AND ?+? | | 3372 | 15646777 | 1 | 0x3E268CF3E75DB831 | SELECT SUM(K) FROM sbtest1 WHERE id BETWEEN ? AND ?+? | | 196688 | 0 | -1 | 0xBF001A0C13781C1D | SELECT c FROM sbtest1 WHERE id=? | +------------+-----------+-----------+--------------------+----------------------------------------------------------------------+
  • 28. © 2017 Percona28 ProxySQL - Features - Query Cache Admin> SHOW VARIABLES LIKE 'mysql-query_cache%'; +---------------------------+-------+ | Variable_name | Value | +---------------------------+-------+ | mysql-query_cache_size_MB | 256 | +---------------------------+-------+ 1 row in set (0.00 sec) Admin> SET mysql-query_cache_size_MB=512; Query OK, 1 row affected (0.00 sec) Admin> LOAD MYSQL VARIABLES TO RUNTIME; Query OK, 0 rows affected (0.00 sec) Admin> SAVE MYSQL VARIABLES TO DISK; Query OK, 72 rows affected (0.03 sec)
  • 29. © 2017 Percona29 ProxySQL - Features - Query Cache Admin> SELECT * FROM stats_mysql_global WHERE Variable_Name LIKE 'Query_Cache%'; +--------------------------+----------------+ | Variable_Name | Variable_Value | +--------------------------+----------------+ | Query_Cache_Memory_bytes | 4469785 | -- Resultset armazenado no QC | Query_Cache_count_GET | 542750 | -- Número de GET’s executados no QC | Query_Cache_count_GET_OK | 441122 | -- Número de GET’s que retornaram OK (Query estava em cache e nao estava expirada) | Query_Cache_count_SET | 101626 | -- Número de Resulset’s inseridos no QC | Query_Cache_bytes_IN | 19613818 | -- Bytes escritos no QC | Query_Cache_bytes_OUT | 85136546 | -- Bytes lidos do QC | Query_Cache_Purged | 100257 | -- Número de queries Purged | Query_Cache_Entries | 1369 | -- Queries atualmente no QC +--------------------------+----------------+
  • 30. © 2017 Percona30 ProxySQL - Features - Integrações ▪MHA (sem alterar DNS ou VIP) •https://www.percona.com/blog/2016/09/13/proxysql-and-mha-integration/ ▪Galera / Percona XtraDB Cluster •https://www.percona.com/blog/2016/09/15/proxysql-percona-cluster-galera- integration/
  • 31. © 2017 Percona31 Estamos Contratando !!! - Senior Support Engineer - Brazil - Americas - Inglês fluente - Manjar de MySQL percona.com/careers
  • 33. © 2017 Percona33 DATABASE PERFORMANCE MATTERS Database Performance MattersDatabase Performance MattersDatabase Performance MattersDatabase Performance MattersDatabase Performance Matters Obrigado!