mongodb分页排序获取数据 导致超出32M限制

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mongodb 分页排序获取数据导致超出32M限制：Sort operation used more than the maximum 33554432 bytes of RAM
异常：

"exception":"org.springframework.data.mongodb.UncategorizedMongoDbException",
"message":"Query failed with error code 96 and error message 'Executor error during find command: OperationFailed: Sort operation used more than the maximum 33554432 bytes of RAM. Add an index, or specify a smaller limit.' on server 127.0.0.1:27017; 
nested exception is com.mongodb.MongoQueryException: 
Query failed with error code 96 and error message 'Executor error during find command: OperationFailed: Sort operation used more than the maximum 33554432 bytes of RAM. 
Add an index, or specify a smaller limit.' on server 127.0.0.1:27017"

处理方式：

• 加索引

db.yourCollection.createIndex({<field>:<1 or -1>})

• 扩大排序内存的限制，例如扩大到320M

db.adminCommand({setParameter:1, internalQueryExecMaxBlockingSortBytes:335544320})

如果你已经加了索引了还是报32M,那么目前只能扩大内存了。