influxdata / influxdata/docs-v2

Clarify the time unit for `end2end_duration` column in queries system table

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InfluxDB v3
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JavaScript
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Description

In docs, clarify that the column is in nanoseconds.

Reported by Reid:
Regarding `queries` -- the time unit for `end2end_duration` (or any duration) is not explicitly stated.
The stating this is a filter for >50 milliseconds is the only clue:
```end2end_duration::BIGINT > (50 * 1000000)```
(cc we could specify the unit and save our customers from doing the math.)

[Slack Message](https://influxdata.slack.com/archives/CRK9M8L5Q/p1749497823852269?thread_ts=1749497823.852269&cid=CRK9M8L5Q)

Contributor guide

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Research direction

Start with the linked system table schema and query-logs documentation for the `queries` table. Clarify that `end2end_duration` and other durations use nanoseconds, and ensure the existing 50-millisecond example makes that unit explicit.

Written by the indexing model from the issue text.

Assessment

Tech stack
sql
Domain
documentation
Issue type
Documentation
Difficulty
1/5
Estimated time
Under an hour
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
65/100

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