[Java Küche RDB 最前線 2015] MySQL 5.7技術アップデート

Copyright*©*201 ,*Oracle*and/or*its*affiliates.*All*rights*reserved.**|*

MySQL&5.7&&& &

Ryusuke*Kajiyama*/* */*@RKajiyama*MySQL*Sales*ConsulIng*Senior*Manager,*Asia*Pacific*&*Japan*

The&State&of&the&Dolphin

Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|*

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The*world's*most*popular*open*source*database**

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20*MySQL 20 *

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*A*Year*of*Anniversaries!

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The*world's*most*popular*open*source*database*

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DB8Engines.com&

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•  MySQL& *

•  *–  Oracle,*Red*Hat,*CentOS**–  Fedora*–  Ubuntu,*Debian*

•  *–  SUSE*–  *–  DevOps

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•  *– MySQL*Database*– MySQL*Workbench*– MySQL*Connector/ODBC*– MySQL*Connector/Python*– MySQL*Connector/NET*– MySQL*UIliIes*

*

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12*

MySQL :*Yum,*APT,*NuGET*


GitHub MySQL &• MySQL Git*

–  *–  *–  *

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MySQL*5.6*h>p://dev.mysql.com/doc/refman/5.6/ja/index.html

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MySQL*Enterprise*EdiIon

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MySQL MySQL Enterprise Monitor

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Query*Analyzer*


MySQL&Enterprise&Backup&•  / *• •  *&*

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MySQL&Enterprise&Security&•  (PAM,*Windows,*LDAP,*etc.)*

• MySQL*Enterprise*Monitor

MySQL&Enterprise&EncrypNon&• AES256 *•  /* *• 

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MySQL&Enterprise&Audit&•  SQL

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XML *

MySQL*Enterprise*EdiIon


MySQL*Enterprise*Firewall*•  SQL*InjecIon*ProtecIon*with*PosiIve*Security*Model*

• Out*of*policy*database*transacIons*detected*and*blocked*•  Logging*&*Analysis*

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Oracle*Enterprise*Manager*for*MySQL*Web &

•  70% MySQL *– Web *–  ** **

24*


MySQL*Enterprise*EdiIon*&*Cluster*CGE *

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*•  *“MySQL*Database”*

*•  *h^p://dev.mysql.com/doc/indexènterprise.html*

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MySQL*Cluster*7.4*GA

26


1,000 MySQL*Cluster

27

Paypal

1 2020330%

MySQL MySQL Cluster AWS 5

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MySQL “NoSQLSQL

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h>p://www8jp.mysql.com/customers/view/?id=1223


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•  4 MySQL*Cluster *LinuxWindows*

MySQL*User*Conference*Session:*h^p://bit.ly/ogeid3*


MySQL*Cluster:*SQL*and*NoSQL*Hybrid*APIsAcNve8AcNve&RDBMS && NoSQL&

29

MySQL*Cluster*Data*Nodes*

Apps Apps Apps Apps Apps Apps Apps Apps Apps Apps Apps

JPA

Cluster*JPA

PHP Perl Python Ruby JDBC Cluster*J JS Memcached

MySQL JNI Node.JS ndb_eng

NDB*API*(C++)


MySQL*Cluster*7.4*–*

NoSQL:*20 / & *FlexAsych*(C++*NDB*API)

SQL:*250 / & *DBT2*BM

31

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Copyright*©*201 ,*Oracle*and/or*its*affiliates.*All*rights*reserved.**|*

MySQL& &&*

Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|* 33

4.0&/GIS*(MyISAM)*

UPDATE/DELETE*

Oracle*MySQL* Sun*

3.23&MyISAM*InnoDB*

*

5.1&*

* **

*

5.6&memcached*API*UNDO *Global*TransacIon*ID*

*ALTER*TABLE*

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*PERFORMANCE_SCHEMA*

1.083.22 &*(ISAM,*HEAP)

Windows /64bit **(SJIS/UJIS)

5.0&*

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4.1&Unicode *

*CSV,*ARCHIVE*ndbcluster*

1995 2000 2005 2010 2015

5.7+&*

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NoSQL ***


• MySQL*5.0*(2005)*–  *–  *–  *–  *–  *– XA *–  INFORMATION_SCHEMA*

• MySQL*5.1*(2008)*–  *

*–  *–  *

*–  *– 

34

• MySQL*5.5*(2010)*– InnoDB *–  *

*–  *

*– PERFORMANCE_SCHEMA

MySQL


•  *–  *–  *– SSD *– UNDO *–  *–  JSON*EXPLAIN*– Memcached*API*

• – Global*TransacIon*ID*–  *–  *– Binlog* *– 

*–  *

*– 

35

•  *–  ALTER*TABLE*–  *

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MySQL*5.6


MySQL*5.6:*InnoDB*–*ALTER&TABLE

• ADD/DROP*INDEX*• ADD/DROP*COLUMN*• ADD/DROP*FOREIGN*KEY*• RENAME*COLUMN,*TABLE*• CREATE*PRIMARY*KEY*• ALTER*ROW_FORMAT,*KEY_BLOCK_SIZE*• ALTER*COLUMN*NULLABLE,*NOT_NULLABLE*• 


MySQL*5.6:*InnoDB

•  *•  / *•  ID

&

:*mysql> SET innodb_buffer_pool_dump_at_shutdown=ON;

:*mysql> SET innodb_buffer_pool_load_at_startup=ON;*

! * *! * SaaS *


CREATE TABLE t(c1 INT) engine=InnoDB; FLUSH TABLE t FOR EXPORT; -- quiesce the table and create the meta data file $innodb_data_home_dir/test/t.cfg UNLOCK TABLES;

CREATE TABLE t(c1 INT) engine=InnoDB; -- if it doesn't already exist ALTER TABLE t DISCARD TABLESPACE; -- The user must stop all updates on the tables, prior to the IMPORT ALTER TABLE t IMPORT TABLESPACE;

MySQL*5.6:*InnoDB

• MySQL *– Export*

– Import


MySQL*5.6:*InnoDBRDBMS NoSQL

• Memcached*API *–  Memcached *– SQL

• NotOnlySQL *–  *–  JOIN FK SQL

•  *– mysqld Memcached

*–  InnoDB*API memcached*

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InnoDB&Storage&Engine&

MySQL&Server& Memcached&plugin&

ApplicaNon&SQL&&

(MySQL&Client)&

NoSQL&&(Memcached&&&Protocol)&

mysqld&


InnoDB*memcached*Plugin•  The*mapping*is*done*through*specifying*corresponding*column*values*in*containers*table:*

mysql> desc containers; +------------------------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------------------+--------------+------+-----+---------+-------+ | name | varchar(50) | NO | PRI | NULL | | | db_schema | varchar(250) | NO | | NULL | | | db_table | varchar(250) | NO | | NULL | | | key_columns | varchar(250) | NO | | NULL | | | value_columns | varchar(250) | YES | | NULL | | | flags | varchar(250) | NO | | 0 | | | cas_column | varchar(250) | YES | | NULL | | | expire_time_column | varchar(250) | YES | | NULL | | | unique_idx_name_on_key | varchar(250) | NO | | NULL | | +------------------------+--------------+------+-----+---------+-------+ 9 rows in set (0.02 sec)


MySQL*5.7*RC2

41


MySQL*5.7*Release*Candidate*2*Available!*

42*

InnoDB :* *Online&Bulk*load* *

**(mulI`source,*mulI`threaded*slaves )*

:*greater*user*control*&*beêr*query*performance*

Performance*Schema *

MySQL*SYS*Schema *

&&& & &

MySQL*5.6 2 *

:**,* & *

NEW!*JSON Support*(now*in*labs)*

RC2*

And*many*more*new*features*and*enhancements...*h^p://mysqlserverteam.com/the`mysql`5`7`7`release`candidateìsàvailable/*#


0&

100,000&

200,000&

300,000&

400,000&

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MySQL*5.7:*Sysbench*Benchmark**

Intel(R)*Xeon(R)*CPU*E7`4860*x86_64*4*sockets*x*10*cores`HT*(80*CPU*threads)*2.3*GHz,*512*GB*RAM*Oracle*Linux*6.5*

&&&&&&&&&&2x&Faster&than&MySQL&5.6&& & & &3x&Faster&than&MySQL&5.5&

645,000&QPS&

43*


InnoDB* *Thank*you,*SanDisk*Fusionìo*

•  *–  *– IO *–  *

OS (NVMFS) *•  IO **

– MySQL *–  *–  SSD *

•  InnoDB UNDO *

44*

RC2*


MySQL*5.7:* *–* &SQL

•  *– * *– * *

•  *–  I/O *–  *

•  *•  EXPLAIN JSON **

45*


MySQL*5.7:*OpImizer*`*JSON*EXPLAIN *•  JSON*EXPLAIN *

–  *– MySQL*Workbench Visual*Explain *

{ "query_block": { "select_id": 1, "cost_info": { "query_cost": "200.40" }, "table": { "table_name": "nicer_but_slower_film_list", "access_type": "ALL", "rows_examined_per_scan": 992, "rows_produced_per_join": 992, "filtered": 100, "cost_info": { "read_cost": "2.00", "eval_cost": "198.40", "prefix_cost": "200.40", "data_read_per_join": "852K" }, "used_columns": [ "FID", "title", "description", "category", "price", "length", "rating", "actors" ], ...


InnoDB*`**Temporary*Tables*•  *

– CREATE/DROP *– DDL , I/O *

• DML *– No*REDO*logging,*no*change*buffering,*less*locking*

•  *– ACID/MVCC *–  *

48*

14.11&InnoDB&Startup&OpNons&and&System&Variables&


InnoDB*`*NaIve*parIIoning*SupportInnoDB *

• 

• 

49

Handler**(ha_innopart)*

Encapsulate*all*parIIoning*in*one*single&handler

InnoDB&NaNve&ParNNoning&–&Early&Access&

main*handler&(ha_parIIon)

ParIIon*1*handler&

ha_innobase

ParIIon*2*handler&

ha_innobase

ParIIon*N*handler&

ha_innobase………


&•  *( )**•  *

–  **

–  *– JOIN *

• OR **

50*


InnoDB*`*Full*Text*Search*(FTS)

• N`gram *–  *

• mecab *– 

51

CREATE TABLE `N_DEMO`( `FTS_N_ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `title` varchar(100) DEFAULT NULL, PRIMARY KEY (`FTS_N_ID`), FULLTEXT KEY `ngram_idx` (`title`) /*!50100 WITH PARSER `ngram` */ ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4;

CREATE TABLE `M_DEMO` ( `FTS_M_ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `title` varchar(100) DEFAULT NULL, PRIMARY KEY (`FTS_M_ID`), FULLTEXT KEY `mecab_idx` (`title`) /*!50100 WITH PARSER `mecab` */ ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4;


MySQL*5.7*RC *• Performance&Schema:*性能統計情報のさらなる追加*•  *•  SYSLOG Linux/Windows *• GIS InnoDB Boost.Geometry *•  Security , *

52*

•  ReplicaNon*for*beêr*scalability*and*availability*•  Fabric*for*high*availability*and*sharding*


MySQL&SYS&Schema&DB管理者、開発者や運用担当者を支援&•  DB管理者や運用担当者の作業効率を改善&*`*サーバの稼働状況、ユーザやホストの状況、主要な稼働指標***

*`*性能問題の発見、分析および改善*

*

• 状況をより簡単に把握し理解するための複数のビュー&*`*IO量の高いファイルや処理、ロック、コストの高いSQL文***

*`*テーブル、インデックス、スキーマの統計***

• 他のデータベースにおけるSYS類似機能:*`  Oracle*V$表*****(動的パフォーマンスビュー)*`  Microso{*SQL*Server*DMV　(Dynamic*Management*Views)* 53*


&

54*

• Resize&the&InnoDB&Buffer&Pool&online**– オンラインでのバッファーサイズのチューニング*– データベースの使用パターンの変化にリアルタイムで適応*

• Separate&UNDO&tablespace&– 自動オンラインUNDOログ切り捨て(MySQL*5.7.5～)*–  UNDOログファイルサイズの増加を回避する事が可能*

• Dynamic&configuraNon&– Making*exisIng*se|ngs*dynamically*configurable*–  As*a*design*principle*for*new*features*&*se|ngs*– その他、幾つかのレプリケーションの設定変更等も*　オンラインで変更可能になりました。*

14.4.8*TruncaIng*Undo*Logs*That*Reside*in*Undo*Tablespaces*


•  *–  *–  *

• OGC(Open*GeospaIal*ConsorIum) *–  *

• Boost.Geometry *–  *–  *

• Boost.Geometry *

MySQL&5.7:&GIS&8&Boost.Geometry &

55*

ALTER*TABLE* add*SPATIAL*index( );


MySQL*5.7*

• mysql_install_db *– mysqld `ìniIalize `ìniIalizeìnsecure *

• CREATE*USER ALTER*USER *– SSL,*PASSWORD*EXPIRE,*ACCOUNT*[LOCK*|*UNLOCK]*

• mysql.user Password authenIcaIon_string *•  SET*PASSWORD PASSWORD() *

– ALTER*USER *

•  ENCRYPT,*DES_ENCRYPT,*DES_DECRYPT *AES

56

mysqld*`ìniIalize*`ùser=mysql

mysql_install_db*`ùser=mysql


Security&8&EncrypNon,&Passwords,&InstallaNon&• AES*256*EncrypIon*(Default*in*MySQL*5.7*)*•  *

–  *•  *

–  / *–  ,* (test),* *

57*

[&Global&ConfiguraNon&]&SET*GLOBAL*default_password_lifeIme*=*180;*[&Individual&user&accounts&]&ALTER*USER*joro@sv1*PASSWORD*EXPIRE*INTERVAL*90*DAY;*ALTER*USER*joro@sv1PASSWORD*EXPIRE*DEFAULT;*ALTER*USER*joro@sv1PASSWORD*EXPIRE*NEVER;*


•  *1 *–  *–  *–  *

•  & **

•  *

MySQL*5.7:*MulI`Source*ReplicaIon*

Binlog*

Master*1*

Binlog*

Master*2*

…*

…*

Binlog*

Master*N*

IO*1*

Relay*1*

Coordinator*

W1* W2* …* WX*

IO*2*

Relay*2*

Coordinator*

W1* W2* …* WX*

…*

…*

Coordinator*

W1* W2* …* WX*

IO*N*

Relay*N*

Coordinator*

W1* W2* …* WX*

Slave&

58*


MySQL*5.7:*スキーマ内マルチスレッドスレーブ*•  *

5 *–  *–  *

*

• GTID*&* **

•  Sysbench*OLTP*test*– 1,000 *– SSD*/*48*core*HT*/*512*GB*RAM*

*59*

0*

500*

1000*

1500*

2000*

2500*

3000*

3500*

4000*

4500*

5000*

0* 4* 16* 25* 50* 100* 200*Worker&Threads&

Slave&TransacNons&per&Second&

Baseline*

50*clients*

100*clients*

150*clients*

200*clients*

88slave8parallel8type&&1.&DATABASE**:*(Default)*Use*the*db*parIIoned*MTS*(1*worker*per*database)*2.&LOGICAL_CLOCK:**Use*logical*clock*based*parallelizaIon*mode.&

Copyright*©*201 *Oracle*and/or*its*affiliates.*All*rights*reserved.**|* 60

MySQL*Slave*ReplicaIon*Filters*Dynamic*

REPLICATE_DO_DB**REPLICATE_IGNORE_DB**REPLICATE_DO_TABLE**REPLICATE_IGNORE_TABLE*REPLICATE_WILD_DO_TABLE*REPLICATE_WILD_IGNORE_TABLE*REPLICATE_REWRITE_DB*

MySQL`5.7.3 “CHANGE'REPLICATION'FILTER”& **slave**

MySQL`5.7.3 OpIon (my.cnf)MySQL

The*following*slave*replicaIon*filters*can*be*changed*dynamically*using*this*command.

mysql>*STOP*SLAVE*SQL_THREAD;*Query*OK,*0*rows*affected*(0.05*sec)*mysql>*CHANGE*REPLICATION*FILTER*REPLICATE_DO_DB=(db1);*Query*OK,*0*rows*affected*(0.00*sec)

)*

MySQL85.7.38&Making&MySQL&Slave&ReplicaNon&Filters&Dynamic&


MySQL*Fabric*1.5:* *&* *•  OpenStack* *•  *

–  ;**

•  *–  *

•  *

–  *–  *

•  Fabric :*Python,*Java,*PHP,*.NET,*C*(labs)*–  *

*62*

MySQL&Fabric&

Connector*

ApplicaIon*

Read8slaves&

mappings&

SQL&

HA&group&

Read8slaves&

HA&group&

Connector*

ApplicaIon*


MySQL*Labs

63


MySQL*Labs•  *

–  *

•  MySQL MySQL*Cluster *– MySQL*5.6*memcached*API*– MySQL*Cluster*7.2*memcached*API*– MySQL*5.6*Performance*Schema*– MySQL*5.6*Intra`schema*MulI*Thread*Slave*– MySQL*5.6*Online*Alter*Table*– MySQL*5.7*MulI*Source*ReplicaIon*– MySQL*5.7*New*OpImizer*Cost*Model


•  ” ” *

•  *–  ( *

–  “OpImisIc*State*Machine”* *

•  *–  *

–  / *–  *–  *

•  *–  InnoDB*–  GTID *

–  PERFORMANCE_SCHEMA*

MySQL*5.7:* *

ApplicaIon*

MySQL*Masters* ReplicaIon**Plugin*

API*

MySQL*Server*

Group*Comms*(Corosync)*

65*

labs.mysql.com*


MySQL*Binlog*EventsBinlog&API

•  C++ *•  *

– 2 "transport"*– TCP*Transport*&*File*Transport*

•  *–  *

•  API*h^p://mysqlhighavailability.com/author/nehakumari/*

66


HTTP*Plugin*for*MySQL&• MySQL HTTP(S) *•  UTF8 JSON *•  3 *

– SQL*– CRUD*`*Key`Value*– JSON*`*Document*

•  For*more*details;*h^p://www.slideshare.net/nixnutz/h^p`plugin`for`mysql`39598656*

67*


HTTP*Plugin*for*MySQLThe&SQL&endpoint&and&JSON&

68

shell> curl -X GET --user scott:tiger --url 'http://127.0.0.1:8080/sql/world/SELECT+ID,Name+FROM+City+WHERE+Name=%27Tokyo%27' [ { "meta":[

{"type":,"catalog":"def","database":"world","table":"City","org_table":"city","column":"ID","org_column":"ID","charset":63,"length":11,"flags":16899,"decimals":0},

{"type":254,"catalog":"def","database":"world","table":"City","org_table":"city","column":"Name","org_column":"Name","charset":33,"length":105,"flags":1,"decimals":0} ], "data":[ ["1532","Tokyo"] ], "status":[{"server_status":34,"warning_count":0 } ]


HTTP*Plugin*for*MySQL*–*SQL CRUD JSON&

URL h>p[s]://server:port/sql/ h>p[s]://server:port/crud/ h>p[s]://server:port/doc/

SQL CRUD CRUD

JSON *

SQL Yes No No

HTTP GET GET,&PUT.&DELETE GET,&PUT.&DELETE&

Yes No Yes

Yes Yes Yes

UTF88 UTF88 UTF88

Yes Yes Yes

69


MySQL*5.7:*JSON*•  *•  JSON *

–  *

•  JSON *–  *– SQL *

• Generated*Columns( ) **– InnoDB STORED VIRTUAL Generated*Columns *–  *

• h^p://mysqlserverteam.com/json`labs`releaseòverview/*70*

RC2*


MySQL*5.7:*JSON

71

mysql> CREATE TABLE employees (ename JSON); Query OK, 0 rows affected (0,01 sec) mysql> INSERT INTO employees VALUES ('{"id": 1, "name": "Jane"}'); Query OK, 1 row affected (0,00 sec) mysql> INSERT INTO employees VALUES ('{"id": 2, "name": "Joe"}'); Query OK, 1 row affected (0,00 sec) mysql> SELECT * FROM employees; +---------------------------+ | ename| +---------------------------+ | {"id": 1, "name": "Jane"} | | {"id": 2, "name": "Joe"} | +---------------------------+ 2 rows in set (0,00 sec)

RC2*


MySQL*5.7:*JSON• Document*ValidaIon*

– on*insert*only**

•  Efficient*Access*

72

mysql> INSERT INTO employees VALUES ('some random text'); ERROR 3130 (22032): Invalid JSON text: "Expect a value here." at position 0 in value (or column) 'some random text'.

mysql> SELECT JSON_EXTRACT(ename, '$.name') FROM employees; +-------------------------------+ | JSON_EXTRACT(ename, '$.name') | +-------------------------------+ | "Jane" | | "Joe" | +-------------------------------+ 2 rows in set (0,00 sec)

RC2*


New*JSON*datatype:*Supported*Types•  JSON *

–  Bool*–  *

•  *–  (dateIme) (Imestamp)*– NULL*(5.7.9*)*– 

73

RC2*


•  json_array() –  Build*a*JSON*array*from*list*of*expressions*

•  json_object() –  Builds*JSON*objects*from*a*variable*length*list*of*key/value*pairs*

•  json_insert() –  Adds*'missing'*data*to*JSON*documents*

•  json_remove() –  Removes*a^ributes*from*exisIng*JSON*documents*

•  json_set() –  Sets*a^ributes*within*JSON*documents*

•  json_replace() –  Replaces*(but*doesn't*add)*a^ributes*within*JSON*documents*

•  json_append() json_array_append()*(5.7.9+)*–  Adds*a*value*to*the*end*of*an*array*

•  json_merge() – Merges*two*arrays**

•  json_extract() –  Returns*a*value*nested*inside*of*a*JSON*document*

74*

JSON*FuncIons*for*CreaIng*&*ManipulaIng**JSON*Documents*

RC2*


•  json_search() –  Search*for*values*within*JSON*documents*and*return*their*locaIons*

•  json_contains() –  Checks*for*a*specific*element*and*value*

•  json_contains_path() –  Determine*if*a*specific*element*is*present*in*a*document*in*a*specific*posiIon*

•  json_valid() –  Check*if*document*is*a*valid*JSON*document*

•  json_type() –  Find*the*type*of*a*value*within*a*document*

•  json_keys() –  Returns*arrays*of*the*key*names*for*the*JSON*documents*

•  json_length() –  Number*of*elements*in*JSON*document*

•  json_depth() –  Level*of*nesIng*in*JSON*document*

•  json_unquote() –  Helps*move*from*JSON*to*other*MySQL*types*

•  json_quote() –  Helps*move*from*other*MySQL*types*to*JSON*

75*

Query*and*Search*JSON*FuncIons*RC2*


Generated*Columns*`* &

• Virtual*Generated*Column*–  *–  *

•  Stored*Generated*Column*–  *–  *mysql> ALTER TABLE employees ADD iname VARCHAR(100) GENERATED ALWAYS AS(json_extract(ename, '$.name')) VIRTUAL; mysql> ALTER TABLE employees ADD INDEX(iname); h^p://mysqlserverteam.com/*

76*

JSON &

RC2*


• *

–  JOIN*–  *– 

*

•  *–  /

*

77*

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5.6& MySQL&Server&8&GA&InnoDB & &

&&&NoSQL &

MySQL&Cluster&8&GA&2 NoSQL 200 SQL &

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5.7& MySQL&Server&8&RC2&&&& &

JSON Group&ReplicaNon &

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MySQL•  MySQL *

– h^p://www.mysql.gr.jp*

• MySQL*5.6*– h^p://dev.mysql.com/doc/refman/5.6/ja/index.html*

• MySQL 1 MySQL *– h^p://gihyo.jp/dev/serial/01/mysql`road`construcIon`news/0001*

• MySQL *– h^p://mysqlserverteam.com/*


The*world's*most*popular*open*source*database**

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Technology

[Java Küche RDB 最前線 2015] MySQL 5.7技術アップデート