[B! cassandra] joker1007ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

joker1007 id:joker1007

cassandraã«é–¢ã™ã‚‹joker1007ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (8)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

About Deletes and Tombstones in Cassandra
Deleting distributed and replicated data from a system such as Apache Cassandra is far trickier than in a relational database. The process of deletion becomes more interesting when we consider that Cassandra stores its data in immutable files on disk. In such a system, to record the fact that a delete happened, a special value called a â€œtombstoneâ€ needs to be written as an indicator that previous
joker1007 2021/09/24
cassandra
ãƒªãƒ³ã‚¯
DataStax for Developers | DataStax
DATASTAX FOR DEVELOPERSLearn How to Succeed with Apache CassandraÂ® Build your next-generation applications with the NoSQL database that has proven high performance, linear scalability and zero downtime across on-premises, hybrid, and multi-cloud environments.
joker1007 2018/08/25
cassandra
ãƒªãƒ³ã‚¯
Cassandra Tuning - Above and Beyond (Matija Gobec, SmartCat) | Cassandra Summit 2016
joker1007 2018/07/20
cassandra
ãƒªãƒ³ã‚¯
Advanced Apache Cassandra Operations with JMX
joker1007 2018/05/25
cassandra
ãƒªãƒ³ã‚¯
HBaseã¨ã¯ã©ã‚“ãªNoSQLãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãªã®ã‹ï¼Ÿ æ—¥æœ¬èªžã§èªã‚ã‚‹æƒ…å ±ã‚’é›†ã‚ã¦ã¿ãŸ
FacebookãŒæ–°ã—ã„ã‚µãƒ¼ãƒ“ã‚¹ã€ŒMessagesã€ã®åŸºç›¤ã¨ã—ã¦ã€NoSQLãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ã€ŒHBaseã€ã‚’é¸æŠžã—ãŸã“ã¨ã‚’ã€å…ˆæ—¥ã®è¨˜äº‹ã€ŒFacebookãŒæ–°ã‚µãƒ¼ãƒ“ã‚¹ã®åŸºç›¤ã«ã—ãŸã®ã¯ã€MySQLã§ã‚‚Cassandraã§ã‚‚ãªãã€HBaseã ã£ãŸã€ã§ç´¹ä»‹ã—ã¾ã—ãŸã€‚ HBaseã¯ã€Facebookã«ã‚ˆã‚‹ã¨æ¬¡ã®ã‚ˆã†ãªç‰¹å¾´ã‚’å‚™ãˆã¦ã„ã‚‹ã¨èª¬æ˜Žã•ã‚Œã¦ã¾ã™ã€‚ è² è·ã«å¯¾ã—ã¦éžå¸¸ã«é«˜ã„ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã¨æ€§èƒ½ã‚’ç™ºæ® Cassandraã‚ˆã‚Šã‚‚ã‚·ãƒ³ãƒ—ãƒ«ãªConsistency Modelï¼ˆä¸€è²«æ€§ãƒ¢ãƒ‡ãƒ«ï¼‰ã‚’å‚™ãˆã¦ã„ã‚‹ è‡ªå‹•ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ã€ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã€åœ§ç¸®æ©Ÿèƒ½ ã‚µãƒ¼ãƒãƒ¼ã”ã¨ã«æ•°åå€‹ã®ã‚·ãƒ£ãƒ¼ãƒ‰ã‚’å‰²ã‚Šå½“ã¦å¯èƒ½ã€ãªã©ãªã© ã“ã®HBaseã¯ã©ã®ã‚ˆã†ãªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãªã®ã§ã—ã‚‡ã†ã‹ï¼Ÿ æƒ…å ±ã‚’é›†ã‚ã¦ã¿ã¾ã—ãŸã€‚ HBaseå…¥é–€ã®ãƒ—ãƒ¬ã‚¼ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ æœ€åˆã«ç´¹ä»‹ã™ã‚‹ã®ã¯ã€ŒHBaseã‚¨ãƒãƒ³ã‚¸ã‚§ãƒªã‚¹ãƒˆã€Tatsuya Kawanoæ°ã®ãƒ—ãƒ¬ã‚¼ãƒ³
joker1007 2010/11/25
hadoop

hbase

cassandra
ãƒªãƒ³ã‚¯
ç¬¬3å›žã€€Cassandraã®ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã‚’ç†è§£ã™ã‚‹ | gihyo.jp
å‰å›žã¾ã§ã®èª¬æ˜Žã§Cassandraã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨å‹•ã‹ã™ã¨ã“ã‚ã¾ã§ã„ãã¾ã—ãŸã€‚ä»Šå›žã¯Cassandraã®ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã‚’ç†è§£ã—ã¦ã€å®Ÿéš›ã«ãƒ‡ãƒ¼ã‚¿ã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ ãƒ‡ãƒ¼ã‚¿ã¯ã™ã¹ã¦4æ¬¡å…ƒã¾ãŸã¯5æ¬¡å…ƒã®é€£æƒ³é…åˆ— Cassandraã®ãƒ‡ãƒ¼ã‚¿ã¯éžå¸¸ã«ã‚·ãƒ³ãƒ—ãƒ«ãªãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã‚’æŒã£ã¦ã„ã¾ã™ã€‚ãƒ‡ãƒ¼ã‚¿ã¯ã™ã¹ã¦4æ¬¡å…ƒã¾ãŸã¯5æ¬¡å…ƒã®é€£æƒ³é…åˆ—ã®ã‚ˆã†ã«ãªã£ã¦ã„ã¾ã™ã€‚ 4æ¬¡å…ƒã®å ´åˆã¯ä»¥ä¸‹ã®å½¢ã§å€¤ã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¾ã™ã€‚ ï¼»ã‚ãƒ¼ã‚¹ãƒšãƒ¼ã‚¹ï¼½ï¼»ã‚«ãƒ©ãƒ ãƒ•ã‚¡ãƒŸãƒªï¼½ï¼»ã‚ãƒ¼ï¼½ï¼»ã‚«ãƒ©ãƒ ï¼½ ãã—ã¦5æ¬¡å…ƒã®å ´åˆã¯ä»¥ä¸‹ã®å½¢ã§ãƒ‡ãƒ¼ã‚¿ã‚’ç‰¹å®šã—ã¾ã™ã€‚ ï¼»ã‚ãƒ¼ã‚¹ãƒšãƒ¼ã‚¹ï¼½ï¼»ã‚«ãƒ©ãƒ ãƒ•ã‚¡ãƒŸãƒªï¼½ï¼»ã‚ãƒ¼ï¼½ï¼»ã‚¹ãƒ¼ãƒ‘ãƒ¼ã‚«ãƒ©ãƒ ï¼½ï¼»ã‚«ãƒ©ãƒ ï¼½ Cassandraã®ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã¯ä»¥ä¸‹ã®4ã¤ã®æ¦‚å¿µã§æˆã‚Šç«‹ã£ã¦ã„ã¾ã™ã€‚ ã‚«ãƒ©ãƒ ï¼š ãƒ‡ãƒ¼ã‚¿ã®æœ€å°å˜ä½ã€‚å®Ÿéš›ã®ã‚ãƒ¼ã¨å€¤ã€ãã—ã¦ã‚¿ã‚¤ãƒ ã‚¹ã‚¿ãƒ³ãƒ—ã‚’æŒã¤ã€‚ ã‚¹ãƒ¼ãƒ‘ãƒ¼ã‚«ãƒ©ãƒ ï¼š ã‚«ãƒ©ãƒ ã®é›†åˆã‚’æ‰±ã†å˜ä½ã€‚ ã‚«ãƒ©ãƒ ãƒ•ã‚¡ãƒŸãƒªï¼š ã‚«ãƒ©ãƒ ã¾ãŸã¯ã‚¹ãƒ¼ãƒ‘
joker1007 2010/05/31
cassandra

kvs
ãƒªãƒ³ã‚¯
ç¬¬2å›žã€€Cassandraã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‹ã‚‰èµ·å‹•ã¾ã§ | gihyo.jp
å‰å›žã¯Cassandraã¨ã¯ä½•ã‹ã‚’ç°¡å˜ã«èª¬æ˜Žã—ã¾ã—ãŸã€‚ç¬¬2å›žã§ã¯ã€Cassandraã‚’å®Ÿéš›ã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦é–‹ç™ºç’°å¢ƒã§å‹•ã‹ã—ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ Cassandraã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã‚ˆã† ç’°å¢ƒã‚’ç¢ºèªã™ã‚‹ ã¾ãšã¯ç’°å¢ƒã®ç¢ºèªã‚’ã—ã¾ã—ã‚‡ã†ã€‚ç†è€…ã®ç’°å¢ƒã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã£ã¦ã„ã¾ã™ã€‚ Windows 7 Professional Sun JDK 1.6.0_18 64bit Eclipse 3.5.1 ã“ã®é€£è¼‰ã§ã¯ãŠã‚‚ã«Windowsã§ã®ç’°å¢ƒã‚’æƒ³å®šã—ã¦ã„ã¾ã™ã€‚ãŸã ã€Cassandraã¯Javaãƒ™ãƒ¼ã‚¹ãªã®ã§ã€Macã‚„Linuxãªã©åˆ¥OSã§ã‚‚åŒæ§˜ã«å‹•ãã¯ãšã§ã™ã€‚ Cassandraã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã™ã‚‹ æœ¬é€£è¼‰ã§ã¯ç¾æ™‚ç‚¹ã§ã®æœ€æ–°ç‰ˆCassandraha 0.6.1ã‚’ä½¿ã„ã¾ã™ã€‚ä»¥ä¸‹ã®ã‚µã‚¤ãƒˆã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã§ãã¾ã™ã€‚ The Apache Cassandra Project URLï¼šhttp://cassandra.ap
joker1007 2010/05/31
cassandra

kvs
ãƒªãƒ³ã‚¯
ç¬¬1å›žã€€NoSQLã€ãã—ã¦Cassandraã¨ã¯ | gihyo.jp
NoSQLãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢ã®ç‰¹å¾´ã‚’ã‚‚ã†å°‘ã—ç´°ã‹ãæŒ™ã’ã¦ã¿ã¾ã™ã€‚åˆ†é‡ã®éƒ½åˆã‚‚ã‚ã‚Šå€‹åˆ¥ã«ã¯è§¦ã‚Œã¾ã›ã‚“ãŒã€ãã‚Œãžã‚Œã®NoSQLãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢ã§å·®åˆ¥åŒ–éƒ¨åˆ†ã«é–¢ã—ã¦ã¯ã‹ãªã‚Šè©³ç´°ã«èª¬æ˜ŽãŒã•ã‚Œã¦ã„ã¾ã™ã®ã§ã€ãœã²ãã¡ã‚‰ã‚’å‚ç…§ã—ã¦ã¿ã¦ãã ã•ã„ã€‚ é«˜é€Ÿã«å‹•ä½œã™ã‚‹ ãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ãƒ¢ãƒ‡ãƒ«ã§ã¯ãªã„ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ« ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ã‚¦ãƒˆåž‹ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ ã‚³ãƒ¢ãƒ‡ã‚£ãƒ†ã‚£ã‚µãƒ¼ãƒã«ã‚ˆã£ã¦æ§‹ç¯‰ã•ã‚Œã‚‹ ã‚¹ã‚ãƒ¼ãƒžãƒ•ãƒªãƒ¼ SPOFï¼ˆå˜ä¸€æ•…éšœç‚¹ï¼‰ã‚’æŒãŸãªã„ è‡ªå‹•çš„ã«è¤‡æ•°å°ã¸ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã™ã‚‹ ã‚¤ãƒ™ãƒ³ãƒãƒ¥ã‚¢ãƒ«ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ã‚·ã¾ãŸã¯ä¸€è²«æ€§ã®é¸æŠžãŒå¯èƒ½ SQLã®ã‚ˆã†ãªå¼·åŠ›ãªã‚¯ã‚¨ãƒªè¨€èªžã‚’æŒãŸãšã€ã‚·ãƒ³ãƒ—ãƒ«ãªå•ã„åˆã‚ã›ã—ã‹ã§ããªã„ Cassandraã¨ã¯ä½•ã‹ NoSQLãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢ã®ç†é ã¨ã„ãˆã°Google BigTableã‚„Amazon Dynamoã§ã™ãŒã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®ä¸–ç•Œã§ã‚‚ã„ã‚ã„ã‚ãªã‚‚ã®ãŒå‡ºã¦ãã¦ã„ã¾ã™ã€‚ãã®ä¸ã§ã‚‚æœ€è¿‘ç‰¹ã«æ³¨ç›®ã‚’é›†ã‚ã¦ã„ã‚‹ã®ãŒã€Apach
joker1007 2010/05/31
cassandra

kvs
ãƒªãƒ³ã‚¯
1