Failed to load stats for column

不定时的发生很慢的查询，一个简单的查询都查询超时，报下面的警告，而且有时候用DBeaver连Doris也会连接不上
WARN (STATS_FETCH-8|319) [ColumnStatisticsCacheLoader.doLoad():45] Failed to load stats for column [Catalog:0, DB:10296, Table:11378, Column:L_345_19574], Reason: Failed to fetch internal SQL result. org.apache.doris.rpc.RpcException: (X.X.X.X)[THRIFT_RPC_ERROR]failed to send brpc batch, error=Host is down, error_text=[E112]Not connected to X.X.X.X:8060 yet, server_id=226