logging - What are All the Columns in a Google App Engine HTTP Log? -

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what of data in google app engine http log mean? example, in following (anonymised) log:

107.10.42.191 - foobiz [10/may/2011:17:26:28 -0700] "get /page.html http/1.1" 500 2297 "http://www.example.com/home.html" "mozilla/5.0 (macintosh; u; intel mac os x 10_5_8; en-us) applewebkit/533.19.4 (khtml, gecko) version/5.0.3 safari/533.19.4,gzip(gfe),gzip(gfe),gzip(gfe)" "www.example.com" ms=364 cpu_ms=23 api_cpu_ms=0 cpm_usd=0.001059

i understand of columns, can fill in columns 2 , 14?

  1. ip address: 107.10.42.191
  2. just hyphen, or more?: -
  3. logged in user: foobiz
  4. request time: [10/may/2011:17:26:28 -0700]
  5. http request: "get /page.html http/1.1"
  6. http response status code: 500
  7. http response size in bytes: 2297
  8. referring page: "http://www.example.com/home.html"
  9. browser info: "mozilla/5.0 (macintosh; u; intel mac os x 10_5_8; en-us) applewebkit/533.19.4 (khtml, gecko) version/5.0.3 safari/533.19.4,gzip(gfe),gzip(gfe),gzip(gfe)"
  10. host: "www.example.com"
  11. total time: ms=364
  12. cpu time: cpu_ms=23
  13. api time: api_cpu_ms=0
  14. what this?: cpm_usd=0.001059

i know there similar question on so, seems outdated , wasn't answered.

logs in apache combined log format, additional fields. fields, in order, are:

  1. client's ip address (107.10.42.191)
  2. the rfc1413 identity of client (in practice, '-')
  3. the userid determined http authentication ('foobiz')
  4. the timestamp of request ('[10/may/2011:17:26:28 -0700]')
  5. the first line of request, containing request method, path, , http protocol version ("get /page.html http/1.1")
  6. the status code returned server (500)
  7. the size in bytes of response (2297)
  8. the referer path ("http://www.example.com/home.html")
  9. the user-agent ("mozilla/5.0 (macintosh; u; intel mac os x 10_5_8; en-us) applewebkit/533.19.4 (khtml, gecko) version/5.0.3 safari/533.19.4,gzip(gfe),gzip(gfe),gzip(gfe)")
  10. the hostname
  11. the wallclock milliseconds required fulfill request
  12. the cpu milliseconds required fulfill request
  13. the cpu milliseconds spent api calls
  14. an estimate of cost of 1000 requests this, in usd.

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