no error log when read fail, if optimizing
no error log when read fail, if optimizing

mashuai/beansdb,amyvmiwei/beansdb,mashuai/beansdb,donglei/beansdb,amyvmiwei/beansdb,mruse/beansdb,amyvmiwei/beansdb,mruse/beansdb,donglei/beansdb,mashuai/beansdb,mruse/beansdb,donglei/beansdb,mashuai/beansdb,mruse/beansdb,donglei/beansdb,amyvmiwei/beansdb