Go底层原理与工程化实践-畅读网

　　　　

Go底层原理与工程化实践

作者：李乐

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内容简介:

全书分为2篇： 1.第1篇详细介绍Go语言高性能优势是如何实现的，包括经典的GMP调度模型，Go语言调度器的实现，垃圾回收，以及如何基于管道、锁等并发编程。 2.第二篇主要是项目实战，手把手带领读者从0开始搭建高性能、高稳定的Go服务。以及在面对线上问题时，如何调试、分析、解决。通过学习本书，读者对Go语言的核心——高并发会有一个深刻的认识，具备一定的Go并发编程经验，能够独立完成高性能、高稳定Go服务的架构设计，并且能够基于一些工具进行Go线上问题分析与性能调优。

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CONNECT:[ UseTime:0.002969s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.001804s ]
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:0.001723s ]
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:0.001170s ]
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:0.002182s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.001393s ]
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:0.000981s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001066s ]
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:0.000674s ]
SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.001517s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.000847s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.002447s ]
SELECT * FROM `ls_goods` WHERE `id` = 157151 AND `status` = 1 LIMIT 1 [ RunTime:0.001450s ]
UPDATE `ls_goods` SET `click_count` = 247 , `update_time` = 1767270503 WHERE `id` = 157151 [ RunTime:0.001356s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 157151 LIMIT 1 [ RunTime:0.001421s ]
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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:0.001814s ]
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:0.001430s ]
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:0.001141s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.001736s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.001223s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.000695s ]
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:0.001315s ]
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:0.001279s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1767270443 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.677030s ]

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