BerkeleyDB::Env->new(
            -Flags     => $flags | DB_CREATE | DB_RECOVER| DB_INIT_MPOOL | DB_INIT_CDB,
            -Config    => { DB_TMP_DIR => "home/test/workfiles/tmp" },
            -Cachesize => 1024*1024,
            -Home      => $env_dir
           );