- Index information is stored in system.indexes
- Commands: createIndex, createIndexes, dropIndex, dropIndexes
- db.collectionName.getIndexes()
> db.users.getIndexes()
[ { "v" : 2, "key" : { "_id" : 1 }, "name" : "_id_" } ]
- Key can be used for hinting
-
spring.jpa.open-in-view spring boot 的 property, spring.jpa.open-in-view 預設是開啟的 開啟的話, OpenSessionInViewInterceptor 就會介入 收到 web request 的時候... -
Introduction One day, Cassandra stop listening for thrift client until restart it manually. After checking Cassandra log, found it enco...
-
第一次錄影片分享技術議題. Source code: https://github.com/axxdeveloper/study-practice/tree/gpb 主要其實就是之後可以用 Any.pack( gpbEntity ).toByteArray 傳送出去. 接收端也...
沒有留言:
張貼留言