MongoDB Deep Dive In the Config Database (Shardings)
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在MongoDB中，我们知道分片集群可以跨分片迁移块，还可以路由查询。但是，这些信息存储在哪里，MongoDB如何使用它来维护整个分片集群的一致性？
在本次网络研讨会中，我们将详细查看配置数据库以及相关的元数据。
注册并加入我们，深入研究MongoDB配置数据库。
展开查看详情
2.Who is Vinodh Krish!
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◆ “Guruji” - who shares knowledge
◆ Now here I am - Perconian!!!
3.Who is Adamo!
◆ Senior Support Engineer
◆ São Paulo / Brazil
◆ @adamotonete
8.Sharded Cluster - Manage things
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9.Sharded Cluster - metadata
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10.Sharded Cluster - Config
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11.Sharded Cluster - mongos
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12.Sharded Cluster - mongos
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13.Sharded Cluster - mongos
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14.Config database - dive in
15.Config database - Test Cluster
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16.Config database - Test Cluster
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mongos> db.version()
3.6.11-3.1
mongos> show dbs
admin 0.000GB
config 0.002GB
vinodh 0.004GB
mongos> use vinodh
switched to db vinodh
mongos> show collections
testData
testData2
17.Config database - actionlog
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18.Config database - changelog
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19.Config database - changelog
20.Config database - chunks
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21.Config database - chunks
22.Config database - collections
23.Config database - databases
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24.Config database - databases
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25.Config database - lockpings
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26.Config database - locks
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27.Config database - locks
28.Config database - migrations
29.Config database - mongos
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