写入doris时，经常内存不足

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现在mysql有2万个家庭数据，每天要进行一次快照数据，逐条写入doris里，发现doris经常有内存不足的问题，也会引起其他表无法写入的问题，尝试过批量50条写入，同样会有相同的问题，请问有其他更好的方法嘛？？

Cause: java.sql.SQLException: errCode = 2, detailMessage = (172.31.3.190)[MEM_ALLOC_FAILED]Create Expr failed because [E11] Allocator sys memory check failed: Cannot alloc:64, consuming tracker:<Load#Id=585c408d13f9444f-a3d4cfc28709e17d>, peak used 0, current used 0, exec node:<>, process memory used 8.25 GB exceed limit 12.26 GB or sys available memory 1.50 GB less than low water mark 1.53 GB.