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[APM] Show transaction rate per minute on Observability Overview page #70336

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Merged
cauemarcondes merged 6 commits into from
Jul 2, 2020
Merged

[APM] Show transaction rate per minute on Observability Overview page #70336

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d7cb371
changing transaction count to transaction rate per second
cauemarcondes Jun 30, 2020
ffedc7f
sanity check coordinates before calculate the mean
cauemarcondes Jul 1, 2020
764d74b
sanity check coordinates before calculate the mean
cauemarcondes Jul 1, 2020
25594ee
Merge branch 'master' of github.com:elastic/kibana into apm-transacti…
cauemarcondes Jul 1, 2020
9ee6554
removing extend_bounds to return empty when no data is available
cauemarcondes Jul 1, 2020
fc18241
Merge branch 'master' of github.com:elastic/kibana into apm-transacti…
cauemarcondes Jul 2, 2020
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42 changes: 41 additions & 1 deletion x-pack/plugins/apm/public/services/rest/observability.dashboard.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ describe('Observability dashboard data', () => {
transactions: {
type: 'number',
label: 'Transactions',
value: 6,
value: 2,
color: '#6092c0',
},
},
Expand Down Expand Up @@ -115,5 +115,45 @@ describe('Observability dashboard data', () => {
},
});
});
it('returns transaction stat as 0 when y is undefined', async () => {
callApmApiMock.mockImplementation(() =>
Promise.resolve({
serviceCount: 0,
transactionCoordinates: [{ x: 1 }, { x: 2 }, { x: 3 }],
})
);
const response = await fetchLandingPageData(
{
startTime: '1',
endTime: '2',
bucketSize: '3',
},
{ theme }
);
expect(response).toEqual({
title: 'APM',
appLink: '/app/apm',
stats: {
services: {
type: 'number',
label: 'Services',
value: 0,
},
transactions: {
type: 'number',
label: 'Transactions',
value: 0,
color: '#6092c0',
},
},
series: {
transactions: {
label: 'Transactions',
coordinates: [{ x: 1 }, { x: 2 }, { x: 3 }],
color: '#6092c0',
},
},
});
});
});
});
9 changes: 7 additions & 2 deletions x-pack/plugins/apm/public/services/rest/observability_dashboard.ts
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Expand Up @@ -5,7 +5,7 @@
*/

import { i18n } from '@kbn/i18n';
import { sum } from 'lodash';
import mean from 'lodash.mean';
import { Theme } from '@kbn/ui-shared-deps/theme';
import {
ApmFetchDataResponse,
Expand Down Expand Up @@ -48,7 +48,12 @@ export const fetchLandingPageData = async (
'xpack.apm.observabilityDashboard.stats.transactions',
{ defaultMessage: 'Transactions' }
),
value: sum(transactionCoordinates.map((coordinates) => coordinates.y)),
value:
mean(
transactionCoordinates
.map(({ y }) => y)
.filter((y) => y && isFinite(y))
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@sorenlouv sorenlouv Jul 1, 2020 •
edited
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nit: I think you can do:

Suggested change
.filter((y) => y && isFinite(y))
.filter(isFinite)

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@cauemarcondes cauemarcondes Jul 1, 2020

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isFinite requires a number, and y can be number | undefined. That's why I didn't do what you've suggested.

) || 0,
color: theme.euiColorVis1,
},
},
Expand Down
5 changes: 3 additions & 2 deletions x-pack/plugins/apm/server/lib/observability_dashboard/get_transaction_coordinates.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -41,17 +41,18 @@ export async function getTransactionCoordinates({
field: '@timestamp',
fixed_interval: bucketSize,
min_doc_count: 0,
extended_bounds: { min: start, max: end },
},
},
},
},
});

const deltaAsMinutes = (end - start) / 1000 / 60;

return (
aggregations?.distribution.buckets.map((bucket) => ({
x: bucket.key,
y: bucket.doc_count,
y: bucket.doc_count / deltaAsMinutes,
})) || []
);
}