Berkeley DB: DbInfo.set_h_nelem
Полезная информация

DbInfo.set_h_nelem


import com.sleepycat.db.*;

public void set_h_nelem(int h_nelem);

Description

Set an estimate of the final size of the hash table. If not set or set too low, hash tables will still expand gracefully as keys are entered, although a slight performance degradation may be noticed.

Class

DbInfo

See Also

DbInfo.set_bt_compare, DbInfo.set_bt_maxkey, DbInfo.set_bt_minkey, DbInfo.set_bt_prefix, DbInfo.set_cachesize, DbInfo.set_compare, DbInfo.set_flags, DbInfo.set_h_ffactor, DbInfo.set_h_hash, DbInfo.set_h_nelem, DbInfo.set_lorder, DbInfo.set_malloc, DbInfo.set_pagesize, DbInfo.set_re_delim, DbInfo.set_re_len, DbInfo.set_re_pad and DbInfo.set_re_source.