This runbook shows steps to perform when the Hive Metastore Server is not responding.
- Check Active Queries to understand the active load on the system.
- Check the System metrics as well.
- Check the Memory Usage dashboards. This can help in determining the cause.
- Restart the HMS process.
- HMS logs are available on the coordinator node: “/media/ephemeral0/logs/hive1.2/hive_ms.log”
- Look for any evident errors(do basic grep and count of errors).
- Look at the metrics dashboards for more information.
Restart of Process¶
sudo monit summaryfor checking the status of the process.
sudo monit stop metastore1_2for stopping the process.
sudo monit start metastore1_2for starting the process.