428       options_index_[thread->rand.Next() % options_index_.size()];  in SetOptions()
429   int value_idx = thread->rand.Next() % options_table_[name].size();  in SetOptions()
446   int rand_cf_idx = thread->rand.Next() % FLAGS_column_families;  in SetOptions()
536       if (thread->rand.OneInOpt(FLAGS_set_options_one_in)) {  in OperateDb()
540       if (thread->rand.OneInOpt(FLAGS_set_in_place_one_in)) {  in OperateDb()
545           thread->rand.OneIn(FLAGS_verify_db_one_in)) {  in OperateDb()
554       if (thread->rand.OneInOpt(FLAGS_sync_wal_one_in)) {  in OperateDb()
561       int rand_column_family = thread->rand.Next() % FLAGS_column_families;  in OperateDb()
564       if (thread->rand.OneInOpt(FLAGS_compact_files_one_in)) {  in OperateDb()
577       if (thread->rand.OneInOpt(FLAGS_compact_range_one_in)) {  in OperateDb()
587       if (thread->rand.OneInOpt(FLAGS_flush_one_in)) {  in OperateDb()
597       if (thread->rand.OneInOpt(FLAGS_get_live_files_one_in)) {  in OperateDb()
605       if (thread->rand.OneInOpt(FLAGS_get_sorted_wal_files_one_in)) {  in OperateDb()
614       if (thread->rand.OneInOpt(FLAGS_get_current_wal_file_one_in)) {  in OperateDb()
623       if (thread->rand.OneInOpt(FLAGS_pause_background_one_in)) {  in OperateDb()
632       if (thread->rand.OneInOpt(FLAGS_verify_checksum_one_in)) {  in OperateDb()
642       if (thread->rand.OneInOpt(FLAGS_ingest_external_file_one_in)) {  in OperateDb()
646       if (thread->rand.OneInOpt(FLAGS_backup_one_in)) {  in OperateDb()
654       if (thread->rand.OneInOpt(FLAGS_checkpoint_one_in)) {  in OperateDb()
662       if (thread->rand.OneInOpt(FLAGS_approximate_size_one_in)) {  in OperateDb()
670       if (thread->rand.OneInOpt(FLAGS_acquire_snapshot_one_in)) {  in OperateDb()
681       int prob_op = thread->rand.Uniform(100);  in OperateDb()
693               std::min(static_cast<uint64_t>(thread->rand.Uniform(64)),  in OperateDb()
729             std::min(static_cast<uint64_t>(thread->rand.Uniform(4)),  in OperateDb()
740       if (thread->rand.OneInOpt(FLAGS_secondary_catch_up_one_in)) {  in OperateDb()
782         boundaries[thread->rand.Uniform(static_cast<int>(boundaries.size()))];  in GetWhiteBoxKeys()
783     if (thread->rand.OneIn(3)) {  in GetWhiteBoxKeys()
794     } else if (thread->rand.OneIn(2)) {  in GetWhiteBoxKeys()
824   if (thread->rand.OneIn(16)) {  in TestIterate()
828   } else if (thread->rand.OneIn(4)) {  in TestIterate()
838   if (thread->rand.OneIn(16)) {  in TestIterate()
849   if (thread->rand.OneIn(16)) {  in TestIterate()
863   if (thread->rand.OneIn(16)) {  in TestIterate()
887         thread->rand.OneIn(2)) {  in TestIterate()
895                thread->rand.OneIn(4)) {  in TestIterate()
932     if (support_seek_first_or_last && thread->rand.OneIn(100)) {  in TestIterate()
937     } else if (support_seek_first_or_last && thread->rand.OneIn(100)) {  in TestIterate()
942     } else if (thread->rand.OneIn(8)) {  in TestIterate()
959       if (no_reverse || thread->rand.OneIn(2)) {  in TestIterate()
1275   if (thread->rand.OneIn(2)) {  in TestApproximateSize()
1285     key2 = key1 + static_cast<int64_t>(thread->rand.Uniform(1000));  in TestApproximateSize()
1291   sao.include_memtabtles = thread->rand.OneIn(2);  in TestApproximateSize()
1293     sao.include_files = thread->rand.OneIn(2);  in TestApproximateSize()
1295   if (thread->rand.OneIn(2)) {  in TestApproximateSize()
1296     if (thread->rand.OneIn(2)) {  in TestApproximateSize()
1300           static_cast<double>(thread->rand.Uniform(3));  in TestApproximateSize()
1398         thread->rand.Uniform(static_cast<int>(cf_meta_data.levels.size()));  in TestCompactFiles()
1403           thread->rand.Uniform(static_cast<int>(files.size()));  in TestCompactFiles()
1456       std::min(thread->rand.Uniform(25), thread->rand.Uniform(25));  in TestPauseBackground()
1468   const bool ww_snapshot = thread->rand.OneIn(10);  in TestAcquireSnapshot()
1505     if (thread->rand.OneIn(10)) {  in TestAcquireSnapshot()
1509       if (thread->rand.OneIn(10)) {  in TestAcquireSnapshot()
1551   cro.exclusive_manual_compaction = static_cast<bool>(thread->rand.Next() % 2);  in TestCompactRange()
1552   cro.change_level = static_cast<bool>(thread->rand.Next() % 2);  in TestCompactRange()
1559       bottom_level_styles[thread->rand.Next() %  in TestCompactRange()
1561   cro.allow_write_stall = static_cast<bool>(thread->rand.Next() % 2);  in TestCompactRange()
1562   cro.max_subcompactions = static_cast<uint32_t>(thread->rand.Next() % 4);  in TestCompactRange()
1566   if (thread->rand.OneIn(2)) {  in TestCompactRange()
2011       Random rand(static_cast<uint32_t>(FLAGS_seed));  in Open()  local
2013         if (rand.OneIn(2)) {  in Open()
2108   if (write_prepared || thread->rand.OneIn(2)) {  in Reopen()
2110         write_prepared || static_cast<bool>(thread->rand.OneIn(2));  in Reopen()
2126   if (thread->rand.OneIn(2)) {  in Reopen()