HMS Responsiveness
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.
Logs
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 summary
for checking the status of the process.sudo monit stop metastore1_2
for stopping the process.sudo monit start metastore1_2
for starting the process.