默认情况下，import工具被绑定为具有读稳定性(RS)隔离级别(有关DB 2隔离级别的描述，请参阅侧栏)。

By default, the import utility is bound with the read stability (RS) isolation level (for a description of the DB2 isolation levels, see the sidebar).

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如果对源数据库的访问不可靠，在缓存层争取弹性可能会提高读密集型应用程序的总体稳定性。

If access to the source database is unreliable, striving for resiliency in the cache layer might improve overall stability for read-intensive applications.

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释放行锁，以便其他应用程序可以对表执行SELECT、INSERT、UPDATE和DELETE(例如，使用游标稳定性(curs or stability)隔离级别或未提交读(uncommitted read)隔离级别)。

Release the row locks so that other applications can SELECT, INSERT, UPDATE, and DELETE from the table (for example, use isolation level cursor stability or uncommitted read).

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