Monitoring Kyoto Tycoon

This article will help you get the Kyototycoon plugin for sd-agent configured and returning metrics

Installing the kyototycoon plugin package

Install the kyototycoon plugin on Debian/Ubuntu:

sudo apt-get install sd-agent-kyototycoon

Install the kyototycoon plugin on RHEL/CentOS:

sudo yum install sd-agent-kyototycoon

Read more about agent plugins.

Configuring the agent to monitor Kyoto Tycoon

1. Configure /etc/sd-agent/conf.d/kyototycoon.yaml

init_config:

instances:
- report_url: http://localhost:1978/rpc/report

2. Restart the agent

sudo /etc/init.d/sd-agent restart

or

sudo systemctl restart sd-agent

Verifying the configuration
Execute info to verify the configuration with the following:

sudo /etc/init.d/sd-agent info 

or

/usr/share/python/sd-agent/agent.py info

If the agent has been configured correctly you'll see an output such as:

kyototycoon
-----
  - instance #0 [OK]
  - Collected * metrics

You can also view the metrics returned with the following command:

sudo -u sd-agent /usr/share/python/sd-agent/agent.py check kyototycoon

Configuring graphs

Click the name of your server from the Devices list in your Server Density account then go to the Metrics tab. Click the + Graph button on the right then choose the kyototycoon metrics to display the graphs. The metrics will also be available to select when building dashboard graphs.

Screen_Shot_2018-01-18_at_11.46.12.png

Monitored metrics

MetricValues
kyototycoon.cnt_get

Rate of get hits
hit / None
Type: float
kyototycoon.cnt_get_misses

Rate of get misses
miss / None
Type: float
kyototycoon.cnt_remove

Rate of deleted hits
hit / None
Type: float
kyototycoon.cnt_remove_misses

Rate of deleted misses
miss / None
Type: float
kyototycoon.cnt_set

Rate of set hits
hit / None
Type: float
kyototycoon.cnt_set_misses

Rate of set misses
miss / None
Type: float
kyototycoon.count

Total amount of records
record / None
Type: float
kyototycoon.repl_delay

Replication delay
millisecond / None
Type: float
kyototycoon.serv_conn_count

Total number of connections
connection / None
Type: float
kyototycoon.serv_thread_count

Total number of threads
thread / None
Type: float
kyototycoon.size

Current size of the kyoto tycoon DB
None / None
Type: float
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