Limit cardinality of transaction.name #90955
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dgieselaar
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tylersmalley
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YulNaumenko
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* master: (44 commits) [APM] Add experimental support for Data Streams (elastic#89650) [Search Session] Control "Kibana / Search Sessions" management section by privileges (elastic#90818) [Lens] Median as default function (elastic#90952) Implement custom global header banner (elastic#87438) [Fleet] Reduce permissions. (elastic#90302) Update dependency @elastic/charts to v24.5.1 (elastic#89822) [Create index pattern] Can't create single character index without wildcard (elastic#90919) [ts/build_ts_refs] add support for --clean flag (elastic#91060) Don't clean when running e2e tests (elastic#91057) Fixes track_total_hits in the body not having an effect when using search strategy (elastic#91068) [Security Solution][Detections] Adds list plugin Saved Objects to Security feature privilege (elastic#90895) Removing the code plugin entirely for 8.0 (elastic#77940) chore(NA): move the instruction to remove yarn global bazelisk package into the first place on install bazel tools (elastic#91026) [jest/ci] remove max-old-space-size override to use 4gb default (elastic#91020) [Fleet] Restrict integration changes for managed policies (elastic#90675) [CI] Fix auto-backport condditions so that it doesn't trigger for other labels (elastic#91042) [DOCS] Uses variable to refer to query profiler (elastic#90976) [App Search] Relevance Tuning logic listeners (elastic#89461) [Metrics UI] Fix saving/loading saved views from URL (elastic#90216) Limit cardinality of transaction.name (elastic#90955) ...
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Limits the cardinality of transaction.name for optimizer and task manager transactions. If transaction names are not properly grouped, the cardinality propagates to transaction breakdown metrics, which means that the impact on the amount of events/data sent (to APM Server) and stored (in Elasticsearch) is significant.
I also suspect that there is an issue in the Node.js agent where empty breakdown metricsets are sent every 10 seconds for each dimension it has seen, even if those dimensions did not report any data in that given timeframe, but I have not been able to confirm it.