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Hadoop和Spark技术分享.ppt

  • 2026-11-10 00:57:46
Hadoop和Spark技术分享.ppt

[图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片][图片]Why Hive ?相对于使用MapReduce，为什么使用Hive ？MapReduce实现复杂业务逻辑开发难度大Hive提供...

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  1. 请求信息 : 2026-11-12 01:26:12 HTTP/1.1 GET : http://h.sjds.net/a/487136.html
  2. 运行时间 : 0.082069s [ 吞吐率：12.18req/s ] 内存消耗：4,177.52kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=25e74c237e87158ab208edf428eb11e8
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  1. CONNECT:[ UseTime:0.000474s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000891s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000384s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000325s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000517s ]
  6. SELECT * FROM `set` [ RunTime:0.000275s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000669s ]
  8. SELECT * FROM `article` WHERE `id` = 487136 LIMIT 1 [ RunTime:0.000335s ]
  9. UPDATE `article` SET `lasttime` = 1794417972 WHERE `id` = 487136 [ RunTime:0.001176s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000362s ]
  11. SELECT * FROM `article` WHERE `id` < 487136 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000481s ]
  12. SELECT * FROM `article` WHERE `id` > 487136 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000431s ]
  13. SELECT * FROM `article` WHERE `id` < 487136 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000556s ]
  14. SELECT * FROM `article` WHERE `id` < 487136 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000621s ]
  15. SELECT * FROM `article` WHERE `id` < 487136 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000682s ]
0.099814s