Splunk Search

Extracting two fields from a log row

perseger
Explorer

Hi,
I have problem extracting fields from a log where the first field is in the beginning of the row. I want to extract the time when the the row was logged (LOGTIME) and the timestamp from the application (STARTTIME). Any clue how to do that?

My query (which doesn't work):

index=xxx source=yyy | rex "^(?P[^,]+)(?i) startTime=(?P[^&]+)"

Sample log row:

2012-04-23 04:58:48,142 [xxx.yyy.zzz.vvv] 123 /functionname 123 ms / startTime=1327312727&dataX=XXX&dataY=2371316&endTime=1335175127&dataZ=1&dataW=YYY / result=1234567

Any help is appreciated!

Tags (1)
0 Karma
1 Solution

Ayn
Legend

You're forgetting to match the text between the logtime and the starttime. This should do it:

^(?<logtime>[^,]+).+?startTime=(?<starttime>\d+)

I usually use something like regexpal or RegExr to try out regexes.

View solution in original post

kristian_kolb
Ultra Champion

Do you really need to make a separate extraction for those???

If the first timestamp is used by Splunk for indexing, it's automatically available in the internal _time field.

Unless you have turned off automatic field extraction, the startTime should be extracted as well, since it's a regular key=value format.

Note: you may have to use the strftime function for eval when presenting date/time to make it nicer to read for a human.

Hope this helps,

Kristian

perseger
Explorer

Great, _time will work for me.
logtime will be same as _time in my application
Thanks!

0 Karma

Ayn
Legend

You're forgetting to match the text between the logtime and the starttime. This should do it:

^(?<logtime>[^,]+).+?startTime=(?<starttime>\d+)

I usually use something like regexpal or RegExr to try out regexes.

perseger
Explorer

It works! Thanks!

0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Self-Healing Pipeline Is Now Generally Available: AI-Powered CIM Compliance

Maintaining data integrity across security and analytics pipelines is an ongoing challenge. Data ...

Meet Splunk Observability Studio: AI-Assisted OpenTelemetry Instrumentation Without ...

Instrumentation is usually the last step or even an afterthought when building out a project. The feature ...

Federated Search for Cisco Security and Analytics Logging (SAL) is now GA on Splunk ...

Federated Search for Cisco  Security Analytics and Logging (SAL) is now generally available as part of the ...