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Chapter 5. Designing Stored Procedures to Access the Database
Chapter 5. Designing Stored Procedures to Access the Database As you can see from Chapter 4, Designing the Database Schema, defining the database schema and the partitioning plan go hand in hand with understanding how the data is accessed. The two must be coordinated to ensure optimum performance. Your stored procedures must use the same attribute for partitioning as the table being accessed. Prop
Linux スレッドプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
GNU/Linux ã§ã®ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° NPTL (Native POSIX Thread Library) Programming. 以å‰ã‹ã‚‰ GNU/Linux ã§ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚’ã™ã‚‹ãŸã‚ã®ç°¡å˜ãªã‚¬ã‚¤ãƒ‰ã‚’書ããŸã„ã¨æ€ã£ã¦ã„ã¾ã—ãŸã€‚今更スレッドプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦æ›¸ã„ã¦ã‚‚目新ã—ã„ã‚‚ã®ã«ãªã‚‹ã¨ã¯æ€ãˆãªã„ã®ã§ã™ãŒã€åˆã‚㦠NPTL (Native POSIX Thread Library) を使ã£ãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã™ã‚‹ã¨ã„ã†æ–¹ã«ã¯ã€ã‚‚ã—ã‹ã—ãŸã‚‰å½¹ã«ç«‹ã¤æƒ…å ±ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。ã¯ã˜ã‚ã¯æ€–々å°ã•ãªãƒ—ãƒã‚°ãƒ©ãƒ を書ã„ã¦å‹•ã‹ã—ã¦ã¿ã‚‹ã€‚æ€ã£ãŸã‚ˆã‚Šç°¡å˜ãªã“ã¨ã«é©šã‹ã‚Œã‚‹ã§ã—ょã†ã€‚スレッドプãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨è¨€ã£ã¦ã‚‚難ã—ã„ã“ã¨ã¯ãªã«ã‚‚ã‚ã‚Šã¾ã›ã‚“。ライブラリãŒæ²¢å±±ä»•äº‹ã‚’ã—ã¦ãã‚‹ãŠã‹ã’ã§å¿«é©ã«ä½¿ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ 本文ä¸ã§ã¯ glibc ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ˆã‚‹é•ã„ã«ã¤ã„ã¦ã‚‚触れã¾ã™ã€‚å‚ç…§ã—ãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ gli
What's New In Cassandra 1.0 | DataStax
What’s New in Cassandra 1.0: Improved Memory and Disk Space Management Cassandra 1.0 incorporates several improvements to how Cassandra's storage engine manages memory and disk space, bringing better performance and addressing some of the most common pain points for Cassandra administration. Off-heap row cache Cassandra provides a built-in row cache for super-fast access to frequently requested da
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å‰å›ž ã¯éžå¸¸ã«ã‚¶ãƒƒã‚¯ãƒªã¨ã—㟠OpenFlow ã®åŸºæœ¬çš„ãªè©±ã«çµ‚始ã—ã¾ã—ãŸã€‚ OpenFlow を知るãŸã‚ã«ã€ã‚¹ã‚¿ãƒ³ãƒ•ã‚©ãƒ¼ãƒ‰ã®äººãŒæ›¸ã„㟠WihtePaper [1] ã‚’èªã‚“ã ã‚Šã€ã‚¹ã‚¤ãƒƒãƒã®ä»•æ§˜ [2] ã‚’èªã‚“ã ã‚Šã§ã‚‚ã„ã„ã‚“ã§ã™ãŒã€‚ã¾ãšã¯å‹•ä½œç’°å¢ƒã‚’作ã£ã¦ã€ä½¿ã£ã¦ã¿ã‚‹ã®ãŒä¸€ç•ªã‚ˆãç†è§£ã§ãã¾ã™ã—ã€å‹•ã‹ã—ã¦ã¿ã‚‹ã¨å…ˆã®æ–‡çŒ®ã«æ›¸ã„ã¦ã‚る内容もスイスイé ã«å…¥ã£ã¦ãã¾ã™ã€‚ ãªã®ã§ã¾ãšã€OpenFlow ã«ã¤ã„ã¦ã®æ–‡æ›¸ã‚’èªã‚“ã§ã¿ã‚‹å‰ã« OpenFlow ã«ã¤ã„ã¦å®Ÿéš›ã«å‹•ã‹ã—ã¦ã€ä½¿ã£ã¦ã¿ã‚‹ã“ã¨ã‚’ãŠå‹§ã‚ã—ã¾ã™ã€‚ ã§ã¯ã¾ãšã€VMware を用ã„ã¦ä»¥ä¸‹ã®ä»®æƒ³ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’構築ã—ã¾ã™ã€‚ 最終的ã«ã‚„ã‚ŠãŸã„ã“ã¨ã¯ã€Switch 部分㧠Firewall を動作ã•ã›ã‚‹ã“ã¨ã§ã™ã€‚ å„ VM ã« GNU/Linux を入れã¦ã€ä»®æƒ³æ•µã«ä»¥ä¸‹ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒˆãƒãƒã‚¸ãƒ¼ã‚’ã¤ãã‚Šã¾ã™ã€‚ ã“ã“ã§ã¯ VM を５å°æ›¸ã„ã¦ã„ã¾ã™ãŒã€ä»Šå›žä½¿ã†ã®
Amazon-Auth-Proxyã‚’Sinatraã«ç§»æ¤ã—ã¦Herokuã§å‹•ã‹ã™ - ãŸã ã®ã«ã£ã(2011-09-30)
â– Amazon-Auth-Proxyã‚’Sinatraã«ç§»æ¤ã—ã¦Herokuã§å‹•ã‹ã™ 先日発表ã«ãªã£ãŸGoogle App Engineã®å€¤ä¸Šã’ã¯GAE上ã§ç„¡å„Ÿã‚µãƒ¼ãƒ“スをé‹ç”¨ã—ã¦ã„ãŸäººãŸã¡ã‚’パニックã«é™¥ã‚ŒãŸãŒã€tDiaryã¨ã¦ç„¡é–¢ä¿‚ã§ã¯ãªã„。amazon.rbãŒä½¿ã£ã¦ã„ã‚‹Product Advertising API用リãƒãƒ¼ã‚¹ãƒ—ãƒã‚ã‚·ãŒGAE上ã§ç¨¼å‹•ã—ã¦ã„ã‚‹ã‹ã‚‰ã 。 GAEã®å€¤ä¸Šã’自体ã¯11月ã¾ã§çŒ¶äºˆã•ã‚ŒãŸãŒã€ãã‚Œã§ã‚‚ã‚„ã¯ã‚Šã€ã‚ã‚ã„ã†ãƒãƒƒã‚¯ã‚¤ãƒ³ã•ã‚Œã‚„ã™ã„環境ã«ä¾å˜ã™ã‚‹ã®ã¯å±é™ºã 。ã§ã€åŒã˜ã‚µãƒ¼ãƒ“スをã¾ã¡ã‚…ã•ã‚“ãŒheroku + Sinatraã«ç§»æ¤ã—ã¦ãã‚ŒãŸã®ã§ã€ãã¡ã‚‰ã«å¼•ã£è¶Šã™ã“ã¨ã«ã€‚ãŸã¶ã‚“10月末ã«äºˆå®šã•ã‚Œã¦ã„ã‚‹tDiaryã®æ¬¡ã®ãƒªãƒªãƒ¼ã‚¹ã‹ã‚‰ã¯ã“ã¡ã‚‰ã‚’使ã†ã“ã¨ã«ãªã‚‹ã¨æ€ã†ã€‚ ã•ã¦ã€ãƒªãƒãƒ¼ã‚¹ãƒ—ãƒã‚ã‚·ã ã‘ã§ãªãã€èªè¨¼ãƒ—ãƒã‚ã‚·ã®æ–¹ã‚‚ã„ã¤ã¾ã§ã‚‚CGIã˜ã‚ƒãーã ã‚ã¨ã„ã†ã‹ã‚‚ã£ã¨ç§»æ¤æ€§ã®é«˜ã„環境ã§å‹•
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8.3. JDBC Interface
Masahito IKUTA on Twitter: "手足å£ç—…や急性出血性çµè†œç‚Žã®è©±ã—。ã“ã‚Œã¯è§£ã‚Šã‚„ã™ã„。 http://t.co/Jduqh1CS"
日経BP
QuickStart < OpenFlow/Deployment/HOWTO < Foswiki
riak/RELEASE-NOTES.org at 1.0 · basho/riak · GitHub
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