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File formats in forwarded log files

Acquia’s log forwarding feature adds the following items to the beginning of each line in your forwarded log files. The local copies stored on Cloud Platform remain unchanged. For a list of log files available from Cloud Platform and their formats, see About Cloud Platform logging.

The following line is a representative example of the data the log forwarding feature adds to the beginning of each line:

<133>1 2019-08-01T17:21:59+00:00 web-00000 alphabeta.fpm-error - - -

Use the following table to learn more about each of the items, including their descriptions:

Position Data Description
0 <133> The message priority, calculated by the section 6.2.1 of the RFC 5424 standard. A message priority of 133 is a NOTICE-level message from local0. For a table of possible values for this field, see Syslog Priority Facility Severity Grid.
1 1 The version of the syslog protocol specification.
2 2019-08-01T17:21:59+00:00 The date and time Cloud Platform forwarded this information to your external service.
3 web-00000 The internal hostname of the server the log file originated from.
4 alphabeta.fpm-error The internal Acquia site name this request is for, and type of log file, separated by a period.
5 - Process ID (pid). This field isn’t used.
6 - Message ID (msg_id). This field isn’t used.

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