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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2021/03/04 11:27:56 UTC
[GitHub] [incubator-doris] androidMake opened a new issue #5461: Doris元数据管理和BE的问题请教
androidMake opened a new issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461
请问Doris的元数据如何读取，我看文档上说的默认的库是为了和mysql兼容，数据不及时，那元数据该从什么地方读呢？我这边要做一个元数据管理的东西出来，还有就是每次我启动BE的时候都能启动，就是show backends的时候显示磁盘为0.0B，这个是怎么回事啊？感谢您的不吝赐教！
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[GitHub] [incubator-doris] morningman commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
morningman commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-791088058
You can find most of them in infomation_schema db, just like MySQL.
But some details may not be found in that database.
You need find them here `http://doris.incubator.apache.org/master/zh-CN/sql-reference/sql-statements/Account%20Management/SHOW%20ROLES.html`
Try some `SHOW XXX` statement.
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[GitHub] [incubator-doris] androidMake closed issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
androidMake closed issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461
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[GitHub] [incubator-doris] morningman commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
morningman commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-790549020
1. Meta data is saving in memory. We built plenty of statements and commands to get the meta data such as tables/columns/backends.
2. You can execute "set forward_to_master=true" than execute "show backends" to see the disk capacity.
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[GitHub] [incubator-doris] morningman commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
morningman commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-791076422
Which type of meta data do you want to get?
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[GitHub] [incubator-doris] androidMake commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
androidMake commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-791078831
例如所有的数据库名，表名、列名，因为要做类似于atlas那样的元数据管理，所以获取的越全面越好
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[GitHub] [incubator-doris] androidMake commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
androidMake commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-791092928
好的，多谢啦
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[GitHub] [incubator-doris] androidMake commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
androidMake commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-791110237
不好意思还得打扰一下，就是FE和BE同时部署在一个节点上是不是有问题呀？要改些什么配置呢？
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[GitHub] [incubator-doris] androidMake commented on issue #5461: Doris元数据管理和BE的问题请教
Posted by GitBox <gi...@apache.org>.
androidMake commented on issue #5461:
URL: https://github.com/apache/incubator-doris/issues/5461#issuecomment-791074739
1、感谢您的回答，其实我是想知道获取元数据的命令有哪些，因为我在官方操作文档中并没有找到，
2、好的，我试一下这个命令！多谢
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