ClickHouse Keeper / ZooKeeper monitoring tool.
It provides monitoring for:
- Aliveness of Keeper
- Average latency
- Minimum latency
- Maximum latency
- Request queue size
- Open file descriptors
- Version of Keeper
- Presence of snapshots
- Presence of
NullPointerException
in logs for 24 hours
Each monitoring check outputs in following format:
<status code>;<message>
Where <status code>
is one of
0
- OK1
- WARN2
- CRIT