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Mysqldump花费太多时间

[英]Mysqldump taking too much time

原文 2015-08-24 18:57:01 9 1 mysql/ mysqldump/ mysqldumpslow

MySQLdump and upload process taking too long time (~8 hr) to complete the whole process. MySQLdump和上载过程花费太长时间（〜8小时）来完成整个过程。

I am dumping active database into mysqldump.tar file and almost 3gb. 我正在将活动数据库转储到mysqldump.tar文件和将近3gb中。 When I load into new database its taking 6-8 hr to complete the process (upload into new database). 当我加载到新数据库中时，它需要6到8个小时才能完成该过程（上传到新数据库中）。

What will be the recommended solution for me to complete the process? 对我来说，完成该过程的推荐解决方案是什么？

1 个解决方案

If I understand correctly, your main problem is that loading the data into your new database is the step that's taking a lot of time. 如果我理解正确，那么您的主要问题是将数据加载到新数据库中需要花费大量时间。 Besides reading the link provided by asdf in his comment ( "How can I optimize a mysqldump of a large database?" ), I suggest you some things: 除了阅读asdf在他的评论中提供的链接（ “如何优化大型数据库的mysqldump？” ）之外，我还建议您做一些事情：

Use the --disable-keys option; 使用--disable-keys选项； this will add alter table your_table DISABLE KEYS before the inserts, and alter table your_table ENABLE KEYS after the inserts are done. 这将在插入之前添加alter table your_table DISABLE KEYS ，并在插入完成之后添加alter table your_table DISABLE KEYS alter table your_table ENABLE KEYS 。 When I've used this option, the insertion time is about 30% faster 使用此选项后，插入时间大约快30％
If possible, use the --delayed-insert option; 如果可能，请使用--delayed-insert选项； whis will use INSERT DELAYED insted of the "normal" INSERT . 这将使用INSERT DELAYED的“普通” INSERT 。
If possible, dump the data of different tables into different files; 如果可能，将不同表的数据转储到不同文件中； that way you may upload them concurrently. 这样，您可以同时上传它们。