# Arithmos

#### Arithmos (Stats)

How much space Arithmos is using on all nodes

```bash
allssh du -sh ~/data/cassandra/data/arithmos*
```

Stop/start Arithmos cluster-wide

```bash
allssh '~/cluster/bin/genesis stop arithmos'
cluster start
```

Reset Arithmos statistics (stops Arithmos, Hyperint and Prism, clears stats, restarts)

```bash
allssh '~/cluster/bin/genesis stop arithmos'
allssh '~/cluster/bin/genesis stop hyperint'
allssh '~/cluster/bin/genesis stop prism'
allssh 'rm ~/data/arithmos/arithmos_per*'
cluster start
```