# Nodetool compactionstats

**compactionstats** - Displays statistics for compactions. Each row represents a running compaction.

For example:

```shell
nodetool compactionstats
```

Example output:

```shell
pending tasks: 2
compaction type  keyspace   column family   completed      total         unit   progress
major            nba        player_name     5770708712     55239418023   bytes  10.11%
minor            nba        player_stats    18569428       3610548974    bytes  51.43%
```

| Parameter             | Description                      |
|-----------------------|----------------------------------|
| pending tasks         | Number of pending compactions    |
| compaction type       | Type of compaction               |
| keyspace              | The keyspace name                |
| column family (table) | The column family (table) name   |
| completed             | Completed bytes out of the total |
| total                 | Total size of the compaction     |
| unit                  | Compaction unit type             |
| progress              | Compaction progress %            |

[Nodetool Reference](https://docs.scylladb.com/manual/master/operating-scylla/nodetool.md)