Monitoring configuration options

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You can specify the following options in the xpack.monitoring section of the apm-server.yml config file:

enabled

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The enabled config is a boolean setting to enable or disable X-Pack monitoring. If set to true, monitoring is enabled.

The default value is false.

elasticsearch

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The Elasticsearch instances that you want to ship your APM Server metrics to. This configuration option contains the following fields:

bulk_max_size

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The maximum number of metrics to bulk in a single Elasticsearch bulk API index request. The default is 50. For more information, see Elasticsearch.

backoff.init

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The number of seconds to wait before trying to reconnect to Elasticsearch after a network error. After waiting backoff.init seconds, APM Server tries to reconnect. If the attempt fails, the backoff timer is increased exponentially up to backoff.max. After a successful connection, the backoff timer is reset. The default is 1s.

backoff.max
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The maximum number of seconds to wait before attempting to connect to Elasticsearch after a network error. The default is 60s.

compression_level

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The gzip compression level. Setting this value to 0 disables compression. The compression level must be in the range of 1 (best speed) to 9 (best compression). The default value is 0. Increasing the compression level reduces the network usage but increases the CPU usage.

headers

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Custom HTTP headers to add to each request. For more information, see Elasticsearch.

hosts

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The list of Elasticsearch nodes to connect to. Monitoring metrics are distributed to these nodes in round robin order. For more information, see Elasticsearch.

max_retries

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The number of times to retry sending the monitoring metrics after a failure. After the specified number of retries, the metrics are typically dropped. The default value is 3. For more information, see Elasticsearch.

parameters

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Dictionary of HTTP parameters to pass within the url with index operations.

password

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The password that APM Server uses to authenticate with the Elasticsearch instances for shipping monitoring data.

metrics.period

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The time interval (in seconds) when metrics are sent to the Elasticsearch cluster. A new snapshot of APM Server metrics is generated and scheduled for publishing each period. The default value is 10 * time.Second.

state.period

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The time interval (in seconds) when state information are sent to the Elasticsearch cluster. A new snapshot of APM Server state is generated and scheduled for publishing each period. The default value is 60 * time.Second.

protocol

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The name of the protocol to use when connecting to the Elasticsearch cluster. The options are: http or https. The default is http. If you specify a URL for hosts, however, the value of protocol is overridden by the scheme you specify in the URL.

proxy_url

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The URL of the proxy to use when connecting to the Elasticsearch cluster. For more information, see Elasticsearch.

timeout

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The HTTP request timeout in seconds for the Elasticsearch request. The default is 90.

ssl

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Configuration options for Transport Layer Security (TLS) or Secure Sockets Layer (SSL) parameters like the certificate authority (CA) to use for HTTPS-based connections. If the ssl section is missing, the host CAs are used for HTTPS connections to Elasticsearch. For more information, see Specify SSL settings.

username

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The user ID that APM Server uses to authenticate with the Elasticsearch instances for shipping monitoring data.