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Time different between two log records

saifdj
Engager

We are using Splunk logs in an iOS app, We are logging
1. Request Log (has URL, Tag, appTimestamp fields in log)
2. Response details (failed / succeeded, has response JSON, Tag, appTimestamp fields in log)

The Tag is unique for each request, we want to identify the time difference between request and response logs, (difference between 1 and 2 logs).

Sample Request Log:
"businessFlowTag":"Login - Get REP JWT token" ,"appTimestamp":"Apr 30, 2020, 04:08:21.103 GMT", "note" : "URL_OF_API"

Sample Response Log:
"businessFlowTag":"Login - Get REP JWT token" ,"appTimestamp":"Apr 30, 2020, 04:08:24.100 GMT", "note" : "RESPONSE_JSON_OF_API"

In above case there is a time difference of 3 seconds between request and response.
(Apr 30, 2020, 04:08:24.100 GMT) - (Apr 30, 2020, 04:08:21.103 GMT) = 3 seconds

I want this time difference for each request. please help

please let me know if any additional details requred

0 Karma

richgalloway
SplunkTrust
SplunkTrust

You should be able to do it using stats.

... | eval epoch = strptime(appTimestamp, "%b %d, %Y, %H:%M:%S.%3N %z")
| stats earliest(epoch) as start, latest(epoch) as end by tag
| eval diff = end - start
| ...
---
If this reply helps you, Karma would be appreciated.
0 Karma
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