Oracle Cache fusion, private inter connects and practical performance management considerations in Oracle RAC
Oracle Cache fusion, private inter connects and practical performance management considerations in Oracle RAC Oracle Cache fusion, private inter connects and practical performance management considerations in Oracle RAC In the article you will have a look at the cache fusion from the perspective of the Practical Performance Management for Oracle RAC. Cache fusion is based and heavily depends on Pr
Oracle 11 RAC Survival Guide
Content Overview Architecture Enterprise Linux Installation and Setup Create Accounts NFS Configuration Enabling SSH User Equivalency Install Oracle Clusterware Install Oracle Database Software Create Listener Configuration Create the Cluster Database Transparent Application Failover (TAF) Facts Sheet RAC Troubles during the Installation Overview In the past, it was not easy to become familiar wit
Oracle RAC ã«ã¤ã„ã¦è€ƒãˆã¦ã¿ã‚‹ - ablog
Oracle Real Application Clusters ã¯è¤‡æ•°ã®ã‚³ãƒ³ãƒ”ュータã®Oracleデータベースをã‚ãŸã‹ã‚‚1ã¤ã®å¤§ããªOracleデータベースã¨ã—ã¦åˆ©ç”¨ã§ãるよã†ã«ã™ã‚‹ä»•çµ„ã¿ã€‚ã“ã®ã‚ˆã†ãªä»•çµ„ã¿ã‚’「クラスターã€ã¨ã‹ã€Œã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ã€ã¨ã‹è¨€ã†ã€‚「クラスターã€ã¨ã¯ãƒ–ドウãªã©ã®ã€Œãµã•ã€ã¨ã„ã†æ„味。クラスターã®åˆ†é¡žã®ä¸ã§ RAC ã¯ä»¥ä¸‹ã®ä½ç½®ã¥ã‘ã«ãªã‚‹ã€‚ 利用目的ã‹ã‚‰ã®ã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ã®åˆ†é¡žï¼ˆRAC ã¯ä¸¡æ–¹ã‚’å…¼ãる） スケーラビリティ（並列処ç†ã™ã‚‹ã®ã§å‡¦ç†é€Ÿåº¦ãŒé€Ÿããªã‚‹ï¼‰ アベイラビリティ（複数ã®ã‚³ãƒ³ãƒ”ュータãŒã‚ã‚‹ã®ã§ã€ä¸€éƒ¨ã®ã‚³ãƒ³ãƒ”ュータãŒé€ã£ã¦ã‚‚æ¢ã¾ã‚‰ãªã„） リソースã®å…±æœ‰å½¢æ…‹ã‹ã‚‰ã¿ãŸã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ã®åˆ†é¡žï¼ˆRAC ã¯å¤–部ストレージを共有ã™ã‚‹ã®ã§å¯†çµåˆã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ï¼‰ 密çµåˆã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ï¼ˆã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ã‚’構æˆã™ã‚‹å„コンピュータã‹ã‚‰ãƒªã‚½ãƒ¼ã‚¹ã‚’共有ã™ã‚‹ï¼‰ ç–Žçµåˆã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ï¼ˆã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ã‚’構æˆã™ã‚‹å„コンピュータ
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4 データベース・インスタンスãŠã‚ˆã³ã‚¯ãƒ©ã‚¹ã‚¿ãƒ»ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ç®¡ç† Webベースã®Oracle Enterprise Manager Database ControlãŠã‚ˆã³Grid Controlã®ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã§ã¯ã€Oracle Real Application Clusters(Oracle RAC)データベースを管ç†ã§ãã¾ã™ã€‚Oracle Enterprise Managerコンソールã¯ã€Oracle環境ã®åˆ¶å¾¡ã«ãŠã‘ã‚‹ä¸å¿ƒç‚¹ã§ã™ã€‚Database Controlコンソールを使用ã—ã¦ã€ã‚¯ãƒ©ã‚¹ã‚¿ãƒ»ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ç®¡ç†ã‚¿ã‚¹ã‚¯ã‚’開始ã—ã¾ã™ã€‚Grid Controlコンソールを使用ã—ã¦ã€è¤‡æ•°ã®Oracle RACデータベースãŠã‚ˆã³ã‚¯ãƒ©ã‚¹ã‚¿ãƒ»ãƒŽãƒ¼ãƒ‰ã‚’管ç†ã—ã¾ã™ã€‚ ã“ã®ç« ã§ã¯ã€Oracle RAC環境ã®ç®¡ç†æ–¹æ³•ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ã“ã“ã§ã¯ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãƒ»ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã®èµ·å‹•ãŠã‚ˆã³åœæ¢ã‚¿ã‚¹ã‚¯ã¨ã€Orac
Google Strategy: Tree Distribution of Requests and Responses - High Scalability -
If a large number of leaf node machines send requests to a central root node then that root node can become overwhelmed: The CPU becomes a bottleneck, for either processing requests or sending replies, because it can't possibly deal with the flood of requests.The network interface becomes a bottleneck because a wide fan-in causes TCP drops and retransmissions, which causes latency. Then clients st
STATSPACK を使ã£ã¦ã¿ã‚‹ - ablog
STATSPACK ã®ä½¿ã„方を簡å˜ã«ã¾ã¨ã‚ã¦ã¿ãŸã€‚ STATSPACK 用ã«è¡¨é ˜åŸŸã‚’作æˆã™ã‚‹ã€‚ $ sqlplus / as sysdba SQL> CREATE TABLESPACE STATSPACK DATAFILE '/dev/raw/raw15' SIZE 100M AUTOEXTEND ON SEGMENT SPACE MANAGEMENT AUTO; STATSPACK をインストールã™ã‚‹ã€‚ SQL> @?/rdbms/admin/spcreate.sql Enter value for perfstat_password: perfstat Enter value for default_tablespace: STATSPACK Enter value for temporary_tablespace: TEMP SQL> exit $ grep -i error *.l
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Java Magazine 日本版
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https://blogs.oracle.com/glennf/entry/jumbo_frames_with_oracle_rac
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https://www.oracle.com/technetwork/jp/topics/grid/gridcenter-fujitsu-biee-v1-132900-ja.pdf
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