图解Spark：大数据快速分析实战-畅读网

　　　　

图解Spark：大数据快速分析实战

作者：王磊

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mobi/epub/pdf/awz3

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计算机网络 >> 软硬件开发

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内容简介:

本书共8章，内容主要包括Spark概述及入门实战，Spark的作业调度和资源分配算法，Spark SQL、DataFrame、Dataset的原理和实战，深入理解Spark数据源，流式计算的原理和实战，亿级数据处理平台Spark性能调优，Spark机器学习库，Spark 3.0的新特性和数据湖等。本书适合Spark开发人员和Spark运维人员阅读。

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CONNECT:[ UseTime:0.001912s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.004640s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001990s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002344s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.001827s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.003849s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.003326s ]
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SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.003289s ]
SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.004503s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.005499s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.003037s ]
SELECT * FROM `ls_goods` WHERE `id` = 134656 AND `status` = 1 LIMIT 1 [ RunTime:0.002415s ]
UPDATE `ls_goods` SET `click_count` = 82 , `update_time` = 1772099082 WHERE `id` = 134656 [ RunTime:0.001341s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 134656 LIMIT 1 [ RunTime:0.001527s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001402s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002657s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002107s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.001585s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.004416s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.001472s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002500s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001997s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1772099023 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.125744s ]

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