caiconghui commented on issue #3285: Replica usage should be limited in database level to reduce the fe memory pressure and the amount of tablet in be URL: https://github.com/apache/incubator-doris/issues/3285#issuecomment-611378683 en, 1. Because there is replication_num property for table or partition create setting, which mean one tablet has "replication_num" replica, I use replicaSize instead of replica_num to separate replica_num from replication_num clearly, and maybe replica_num is more accurate for the original meaning 2. the replica statistics is collected by db->table -> partition -> MaterializedIndex -> tablet->replica hierarchy，include all replicas with all replicaState in table 3. at the moment ,we just limit the quota, I think it is a good idea to give user more options to optimize the usage of the replica, such as resize tablets of one partition when user doesn't need to reload the data, merge multiple partition to one partition, and we can also monitor the replica data size in every table, if serval replica data size are under low water level value for long time，then should remind user of optimizing the setting for partition
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