New RelicのMemcached監視プラグインです。
キャッシュの状態やコネクション数にとどまらず、CPU使用率など、かなり広範囲の監視をカバーしています。
以下、セットアップ方法です。
必須ライブラリをインストール。
# yum -y install java glibc.i686 libstdc++ libstdc++.so.6
New Relic Platform Installer (NPI)をインストール。
# LICENSE_KEY=xxxxxxxxxxxxxxxxxxxxxxxxxxx bash -c "$(curl -sSL https://download.newrelic.com/npi/release/install-npi-linux-redhat-x86.sh)" You are about to download the New Relic Platform Installer v0.1.5. This will download the 'npi' tool from the following URL: https://download.newrelic.com/npi/v0.1.5/platform_installer-linux-x86-v0.1.5.tar.gz It will place the tool at '/root/newrelic-npi'. It will not affect your path or global settings. Are you sure you want to continue? (y/n) y Setting default configurations user -> root license_key -> xxxxxxxxxxxxxxxxxxxxxxxxxxx distro -> redhat Successfully setup the New Relic Platform Installer! Next steps: - Navigate to the directory: '/root/newrelic-npi' - Run './npi available' to get a list of available plugins - Run './npi install' to download, configure and start a plugin - For additional help run the following './npi --help'
ディレクトリ移動。
# cd /root/newrelic-npi
インストール可能なNew Relicプラグインの一覧を表示
# ./npi available Available NPI compatible plugins on New Relic: ar.com.3legs.newrelic.cassandra (2.0.0) Java ar.com.3legs.newrelic.jmxremote (2.0.0) Java ar.com.3legs.newrelic.varnish (2.0.0) Java nrwikipedia_dotnet -> com.newrelic.dotnet.wikipedia (1.0.0) .NET nrwikipedia_java -> com.newrelic.examples.wikipedia (1.0.8) Java nrmssql -> com.newrelic.platform.microsoft.sqlserver (2.0.1) .NET nrmemcached -> com.newrelic.plugins.memcached (2.0.1) Java nrmysql -> com.newrelic.plugins.mysql.instance (2.0.0) Java com.rekko.newrelic.storm.kafka (1.0.0) Java com.sparkred.EndecaPlugin (0.1) Java com.sparkred.plugins.oracle.db (1.0.0) Java
Memcachedプラグインをインストール。質問には基本的に y と入力していけばOKです。
# ./npi install com.newrelic.plugins.memcached
Enter your New Relic license key (xxxxxxxxxxxxxxxxxxxxxxxxxxx):
[13:22:30] [INFO] operations - Using license key: xxxxxxxxxxxxxxxxxxxxxxxxxxx
[13:22:30] [INFO] operations - Fetching the plugin to your file system...
You are about to download the following plugin:
- com.newrelic.plugins.memcached:
- Details:
download_url https://github.com/newrelic-platform/newrelic_memcached_java_plugin/raw/master/dist/newrelic_memcached_plugin-2.0.1.tar.gz
implementation Java
publisher_name New Relic Inc.
publisher_support_url http://newrelic.com/support
version 2.0.1
Are you sure you want to continue? (y/n): y
[13:22:35] [INFO] platform_helpers - Downloading compressed archive for 'com.newrelic.plugins.memcached'...
[13:22:37] [INFO] platform_helpers - Extracting archive for 'com.newrelic.plugins.memcached'...
Current state for the plugin: com.newrelic.plugins.memcached
- com.newrelic.plugins.memcached:
- State:
Downloaded [x]
Prepared [ ]
Installed [ ]
Running [ ]
[13:22:37] [INFO] operations - Configuring the plugin to run...
[13:22:37] [INFO] operations - Generating 'newrelic.json' file for plugin...
Configure the plugin in a text editor before continuing? (y/n): y
{
"agents": [
{
"name" : "[ホスト名を入力]",
"host" : "localhost",
"port" : 11211
}
]
}
Current state for the plugin: com.newrelic.plugins.memcached
- com.newrelic.plugins.memcached:
- State:
Downloaded [x]
Prepared [x]
Installed [ ]
Running [ ]
[13:22:52] [INFO] operations - Setting the plugin as a background process...
Do you want to set this plugin as a background process? (y/n): y
[13:22:59] [INFO] platform_helpers - Writing service script to: /etc/init.d/newrelic_plugin_com.newrelic.plugins.memcached...
[13:22:59] [INFO] platform_helpers - Changing permissions on service script to 0755...
[13:22:59] [INFO] platform_helpers - Running 'chkconfig' with arguments: ["--add","newrelic_plugin_com.newrelic.plugins.memcached"]
[13:22:59] [INFO] platform_helpers - Received '--start' flag, attempting to start the background service.
Starting newrelic_plugin_com.newrelic.plugins.memcached
Successfully added background service for 'com.newrelic.plugins.memcached'!
Next steps:
Start plugin in the background: npi start com.newrelic.plugins.memcached
[13:22:59] [INFO] operations - Plugin 'com.newrelic.plugins.memcached' has been successfully setup on your machine. Run 'npi list com.newrelic.plugins.memcached' to see more information
Current state for the plugin: com.newrelic.plugins.memcached
- com.newrelic.plugins.memcached:
- State:
Downloaded [x]
Prepared [x]
Installed [x]
Running [x]
Runningに [x] が付いていれば、Memcachedプラグインが立ち上がっています。
Memcachedプラグインのプロセスを確認。
# ps auxf | grep ewrelic_memcached_plugin | grep -v grep root 6931 0.0 0.2 90464 2768 pts/0 S 13:26 0:00 sudo -u root java -Xmx128m -Dnewrelic.platform.config.dir=/root/newrelic-npi/plugins/com.newrelic.plugins.memcached/newrelic_memcached_plugin-2.0.1/config -jar /root/newrelic-npi/plugins/com.newrelic.plugins.memcached/newrelic_memcached_plugin-2.0.1/plugin.jar root 6932 2.0 4.6 965852 47828 pts/0 Sl 13:26 0:01 \_ java -Xmx128m -Dnewrelic.platform.config.dir=/root/newrelic-npi/plugins/com.newrelic.plugins.memcached/newrelic_memcached_plugin-2.0.1/config -jar /root/newrelic-npi/plugins/com.newrelic.plugins.memcached/newrelic_memcached_plugin-2.0.1/plugin.jar
ログを確認します。
# tail -f /root/newrelic-npi/plugins/com.newrelic.plugins.memcached/newrelic_memcached_plugin-2.0.1/daemon.log
New Relicにログインして確認しましょう。
ダッシュボード -> PLUGINS -> Memcached
Memcachedプラグインのプロセスをストップ・スタートするには、serviceコマンドから可能です。
# service newrelic_plugin_com.newrelic.plugins.memcached stop/start
Enjoy!
