tree 6456c7db0e5133df79d21c6e9bd2962f8f3bfe7f
parent d2e7228342d02e5522d79e7f677d9f9f68bed969
author Jonathan Amsterdam <jba@google.com> 1608072181 -0500
committer Jonathan Amsterdam <jba@google.com> 1608240411 +0000

internal/postgres: method to compute index timestamp for latency metric

Add GetOldestUnprocessedIndexTime, which computes the index timestamp
of the oldest unprocessed module.

The current time minus this value is a lower bound on the time from
when a module enters the index until it is processed.

Change-Id: I0b74f14e94d8d070496df8a8baa11c31decebfd8
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/278552
Trust: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>