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author | Costa Tsaousis <costa@netdata.cloud> | 2023-02-22 22:30:40 +0200 |
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committer | GitHub <noreply@github.com> | 2023-02-22 22:30:40 +0200 |
commit | 1cfad181a8cdcafc04d6f2d52aa0ffb5e57e182a (patch) | |
tree | bb753be9e16256ef2fe420d9ad24cd27787ee8fc /CHANGELOG.md | |
parent | 7cd5570b49c5f156c944766dda7238611a969ff0 (diff) |
/api/v2/data - multi-host/context/instance/dimension/label queries (#14564)
* fundamentals for having /api/v2/ working
* use an atomic to prevent writing to internal pipe too much
* first attempt of multi-node, multi-context, multi-chart, multi-dimension queries
* v2 jsonwrap
* first attempt for group by
* cleaned up RRDR and fixed group by
* improvements to /api/v2/api
* query instance may be realloced, so pointers to it get invalid; solved memory leaks
* count of quried metrics in summary information
* provide detailed information about selected, excluded, queried and failed metrics for each entity
* select instances by fqdn too
* add timing information to json output
* link charts to rrdcontexts, if a query comes in and it is found unlinked
* calculate min, max, sum, average, volume, count per metric
* api v2 parameters naming
* renders alerts and units
* render machine_guid and node_id in all sections it is relevant
* unified keys
* group by now takes into account units and when there are multiple units involved, it creates a dimension per unit
* request and detailed are hidden behind an option
* summary includes only a flattened list of alerts
* alert counts per host and instance
* count of grouped metrics per dimension
* added contexts to summary
* added chart title
* added dimension priorities and chart type
* support for multiple group by at the same time
* minor fixes
* labels are now a tree
* keys uniformity
* filtering by alerts, both having a specific alert and having a specific alert in a specific status
* added scope of hosts and contexts
* count of instances on contexts and hosts
* make the api return valid responses even when the response contains no data
* calculate average and contribution % for every item in the summary
* fix compilation warnings
* fix compilation warnings - again
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