[APM] Fixing time comparison types #101423

cauemarcondes · 2021-06-04T19:00:13Z

Before:

After:

Problem:

When Last 24 hours is selected
This is the how the url looks like apm/services?rangeFrom=now-24h/h&rangeTo=now
And this is the conversion from relative to absolute time start: "2021-06-02T16:00:00.000Z", end: "2021-06-03T16:02:52.650Z"
When I get the difference in DAYS between the start and end I get 1.001998263888889
The result is more than one day, even though last 24 hours is selected.
What causes this? The extra /h on rangeFrom=now-24h/h rounds the start date.
If we remove the extra /h this is the result of the conversion: start: "2021-06-02T16:07:23.280Z", end: "2021-06-03T16:07:23.280Z" now we have exactly 1 day.
The same thing happens when Last 7 days is selected, because of the extra /d we the difference is always bigger than 7 days.

Solution

The right way to calculate the difference between the start and end dates is to use both absolute values instead of the rounded ones. So a new property was added inside the routeParams to represent the exact start and end dates, and these values are used to get comparison types available withing the time raange

elasticmachine · 2021-06-04T19:00:17Z

Pinging @elastic/apm-ui (Team:apm)

cauemarcondes · 2021-06-07T12:25:54Z

@elasticmachine merge upstream

dgieselaar · 2021-06-08T07:38:45Z

@cauemarcondes I'm having a little trouble understanding the changes 😄 do you mind helping me out by writing down some notes about why certain changes were necessary? Also happy to zoom about it later today.

cauemarcondes · 2021-06-08T13:04:18Z

@cauemarcondes I'm having a little trouble understanding the changes 😄 do you mind helping me out by writing down some notes about why certain changes were necessary? Also happy to zoom about it later today.

Sorry, @dgieselaar I added more details in the description.

dgieselaar · 2021-06-09T06:57:38Z

I wonder whether we are making it too hard on ourselves here by trying to make decisions upfront about what would be valuable to the user. Can we simplify this by allowing the user to pick any offset, regardless of the currently selected time range? cc @sqren @formgeist

sorenlouv · 2021-06-09T12:02:56Z

Can we simplify this by allowing the user to pick any offset, regardless of the currently selected time range?

Are you proposing to have a secondary date picker, where the user can select an arbitrary start date for the comparison range?

I'm a bit on the fence on this one. The advantages is that it would reduce our (code) logic, and allow the user to make any kind of comparisons they want.

At the same time I think reducing the users choice to simply a list of comparison options (instead of selecting a date in a date picker) is better UX. Especially if the user is looking at "Today", it's handy to allow them to compare with "Yesterday" and "Last week" with as few clicks (and as little cognitive load) as possible.

WDYT @formgeist?

formgeist · 2021-06-09T12:12:11Z

I agree that we have these specific options in place to avoid cognitive load for the user. We did discuss at one point to allow for offset intervals such it would always use the same interval as selected but you could essentially choose whether it was +1 or +4 weeks. I think this came up in a discuss comment on our feedback request. I think we should open this up for discussion and potential iteration but I wouldn't consider this a prerequisite before merging this PR that essentially makes our logic more consistent.

dgieselaar · 2021-06-09T12:31:21Z

Are you proposing to have a secondary date picker, where the user can select an arbitrary start date for the comparison range?

No, just to not filter the predefined options. So just always show "day before", "week before", "period before".

sorenlouv · 2021-06-09T12:58:49Z

No, just to not filter the predefined options. So just always show "day before", "week before", "period before".

If a user is viewing the time range 14th to 21st of May, and selects "week before", the comparison should be against 7th to 14th of May.

I don't understand what "day before" should compare against

(calendar to reduce mental gymnastics)

dgieselaar · 2021-06-09T13:40:05Z

@sqren it's a 1 day offset. so if you select last 7 days, you'd be comparing it against last 8 days - last day. It feels somewhat useless, but IMHO there's some complexity involved here in trying to make the displayed options super relevant, and I'm not sure if we've solved all edge cases now.

cauemarcondes · 2021-06-09T18:55:18Z

@elasticmachine merge upstream

sorenlouv · 2021-06-10T08:03:39Z

I think we should open this up for discussion and potential iteration but I wouldn't consider this a prerequisite before merging this PR that essentially makes our logic more consistent.

Agree, let's keep what we have now but open a separate discussion about how this can be improved.

x-pack/plugins/apm/public/context/url_params_context/helpers.ts

sorenlouv · 2021-06-10T08:23:33Z

x-pack/plugins/apm/public/context/url_params_context/helpers.test.ts

+        .mockReturnValue(moment('2021-06-02T17:00:00.000Z').utc());
+      expect(helpers.getExactDate('now/d')?.toISOString()).toEqual(
+        '2021-06-02T17:00:00.000Z'


How does this test verify that the date is not being rounded when the original date is already rounded.

yeah, it actually doesn't make much sense to expect for a specific date. I'd rather spy the datemath.parse and check if it was called correctly.

sorenlouv · 2021-06-10T08:26:42Z

x-pack/plugins/apm/public/context/url_params_context/helpers.test.ts

+      jest
+        .spyOn(datemath, 'parse')
+        .mockReturnValue(moment('2021-06-02T17:56:49.260Z').utc());
+      expect(helpers.getExactDate('now-24h/h')?.toISOString()).toEqual(
+        '2021-06-02T17:56:49.260Z'
+      );


You should also call datemath.parse('now-24h/h') directly to show that the default behaviour is to round.

x-pack/plugins/apm/public/context/url_params_context/helpers.ts

x-pack/plugins/apm/public/components/shared/time_comparison/index.tsx

sorenlouv

Remove isRangeToNow should be enough to solve the problem. Still, the refactoring and added tests should stay.

…comparison

cauemarcondes · 2021-06-14T15:47:28Z

Remove isRangeToNow should be enough to solve the problem. Still, the refactoring and added tests should stay.

@sqren are you sure? this is what I got by only removing the isRangeToNow and selecting last 24hours:

Both Day before and Week before should be available, but instead only Week before is. That's because the difference is 1.031450949074074.

sorenlouv · 2021-06-14T21:40:17Z

@sqren are you sure? this is what I got by only removing the isRangeToNow and selecting last 24hours:

This is what I see:

That's because the difference is 1.031450949074074.

How do you get that number? According to my logic it should be 24 hours - 1 millisecond = 0.999999988 days (thanks Google)

This is also what I'm seeing when logging the dateDiff:

cauemarcondes · 2021-06-15T13:10:42Z

@sqren are you sure? this is what I got by only removing the isRangeToNow and selecting last 24hours:

This is what I see:

That's because the difference is 1.031450949074074.

How do you get that number? According to my logic it should be 24 hours - 1 millisecond = 0.999999988 days (thanks Google)

This is also what I'm seeing when logging the dateDiff:

And what do you see when you select Last 7 days?

x-pack/plugins/apm/public/context/url_params_context/helpers.ts

cauemarcondes · 2021-06-16T14:32:31Z

jenkins, retest this please

cauemarcondes · 2021-06-16T16:21:03Z

@elasticmachine merge upstream

kibanamachine · 2021-06-16T18:24:14Z

💚 Build Succeeded

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
`apm`	4.3MB	4.3MB	+686.0B

History

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@elasticmachine merge upstream

* fixing time comparison types * fixing ts issues * addressing PR comments * addressing PR comments * addressing PR comments Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

kibanamachine · 2021-06-16T18:34:48Z

💚 Backport successful

Status	Branch	Result
✅	7.x

This backport PR will be merged automatically after passing CI.

* fixing time comparison types * fixing ts issues * addressing PR comments * addressing PR comments * addressing PR comments Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com> Co-authored-by: Cauê Marcondes <55978943+cauemarcondes@users.noreply.github.com>

…egrations-to-global-search * 'master' of github.com:elastic/kibana: (46 commits) [Lens] Add some more documentation for dynamic coloring (elastic#101369) hide not searchable results when no term (elastic#102401) [Lens] Fix Formula functional test with multiple suggestions (elastic#102378) Fix trusted apps modified by field displayed as a date field (elastic#102377) [Lens] Docs for time shift (elastic#102048) update readme of logs-metrics-ui (elastic#101968) Refactor observability plugin breadcrumbs (elastic#102290) [Index Patterns] Move rollup config to index pattern management v2 (elastic#102285) [Security Solution][Endpoint] Isolate Action should only be available to Platinum+ licenses (elastic#102374) [build] Updates Ironbank templates (elastic#102407) Update security best practices document (elastic#100814) [Enterprise Search] Set up initial KibanaPageTemplate (elastic#102170) [Reporting/Docs] Add section to troubleshooting guide to explain the StatusCodeError logs (elastic#102278) [DOCS] Updating Elastic Security Overview topic (elastic#101922) [Uptime] refactor Synthetics Integration package UI (elastic#102080) [Task Manager] Log at different levels based on the state (elastic#101751) [APM] Fixing time comparison types (elastic#101423) [RAC] Update alert documents in lifecycle rule type helper (elastic#101598) [ML] Functional tests - fix and re-activate alerting flyout test (elastic#102368) [Reporting] remove unused reference to path.data config (elastic#102267) ... # Conflicts: # x-pack/plugins/fleet/kibana.json

* fixing time comparison types * fixing ts issues * addressing PR comments * addressing PR comments * addressing PR comments Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

smith · 2021-07-16T21:33:27Z

Tests OK. Comparisons working as expected.

fixing time comparison types

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cauemarcondes added release_note:fix v7.14.0 apm:comparison labels Jun 4, 2021

cauemarcondes requested a review from a team as a code owner June 4, 2021 19:00

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fixing ts issues

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Merge branch 'master' into apm-fix-time-comparison

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Merge branch 'master' into apm-fix-time-comparison

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kibanamachine mentioned this pull request Jun 16, 2021

[7.x] [APM] Fixing time comparison types (#101423) #102399

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smith added the apm:test-plan-done Pull request that was successfully tested during the test plan label Jul 16, 2021

cauemarcondes mentioned this pull request Jul 21, 2021

APM Comparison date range displays incorrect values when Absolute Date Filter is applied #106097

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gbamparop mentioned this pull request Feb 3, 2022

[APM] Comparison always shows day/week when relative time range is selected #115247

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cauemarcondes mentioned this pull request Mar 1, 2022

[APM] Fix time comparison types when relative time range is selected #126567

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[APM] Fixing time comparison types #101423

[APM] Fixing time comparison types #101423

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Problem:

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