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2 changes: 1 addition & 1 deletion reference/best-practices/high-concurrency.md
Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,7 @@ SPLIT TABLE TEST_HOTSPOT BETWEEN (0) AND (9223372036854775807) REGIONS 128;
{{< copyable "sql" >}}

```sql
create table t (a int, b int) shard_row_id_bits = 4 pre_split_regions=·3;
create table t (a int, b int) shard_row_id_bits = 4 pre_split_regions=3;
```

- `SHARD_ROW_ID_BITS = 4` 表示 tidb_rowid 的值会随机分布成 16 (16=2^4) 个范围区间。
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