创办capped collection

创建capped collection

记录下使用mongo 或者morphia 创建限额的collection

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mongoDB

DBObject options = new BasicDBObject();options.put("capped", true);options.put("size", 100000);options.put("max", 100);DBCollection coll = db.createCollection("test", options);

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morphia

@Entity(noClassnameStored=true,cap=@CappedAt(count=100,value=10000))

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