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github-mirrors/VictoriaMetrics

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cluster: adds /api/v1/update/series API It allows to modify exist series values. User must write modified series into vminsert API /insert/0/prometheus/api/v1/update/series vminsert will generate id and add it to the series as __generation_id label. Modified series merged at vmselect side. Only last series modify request at given time range will be applied. Modification request could be exported with the following API request: `curl localhost:8481/select/0/prometheus/api/v1/export -g -d 'reduce_mem_usage=true' -d 'match[]={__generation_id!=""}'` https://github.com/VictoriaMetrics/VictoriaMetrics/issues/844 adds guide allow single datapoint modification vmselectapi: prevent MetricBlockRef corruption Modofying of MetricName byte slice may result into MetricBlockRef corruption, since `ctx.mb.MetricName` is a pointer to `MetricBlockRef.MetricName`. Signed-off-by: hagen1778 <roman@victoriametrics.com> Revert "vmselectapi: prevent MetricBlockRef corruption" This reverts commit cf36bfa1895885fcc7dc2673248ee56c78180ea0. app/vmstorage/servers: properly copy MetricName into MetricBlock inside blockIterator.NextBlock This should fix the issue at https://github.com/VictoriaMetrics/VictoriaMetrics/pull/2885/commits/cf36bfa1895885fcc7dc2673248ee56c78180ea0 (cherry picked from commit 916f1ab86c0e5c82295b6eddc7f49401ea4c9a91) app/vmselect: correctly update single datapoint at merge app/vmselect: adds mutex for series update map previously it was sync api, but function signature was changed for performance optimizations

2023-07-06 06:34:11 +00:00

{"metric":{"__name__":"promhttp_metric_handler_requests_total","job":"node_exporter-6","up":"true"},"values":[131],"timestamps":[1676050756785]}