Release HyperDX

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Releases

@hyperdx/cli@0.5.0

Minor Changes

• 3123db5: feat: experimental promql support

Patch Changes

• b20275c: fix(cli): exit with non-zero code when upload-sourcemaps fails

  The upload-sourcemaps command now exits with code 1 when uploads fail
  (missing source maps, pre-signed URL request failure, authentication failure,
  or any per-file upload failure after retries). Previously these failures were
  logged to stderr but the process exited cleanly with code 0, causing CI
  pipelines to treat failed uploads as successes.

• 19cd7c9: fix: only use pk and row uniqueness to look up a row

• 8810ff0: feat: Add option for force-enabling/disabling text index support

@hyperdx/api@2.28.0

Minor Changes

• 3123db5: feat: experimental promql support

• cb6a74c: fix(otel-collector): allow CUSTOM_OTELCOL_CONFIG_FILE to override the
  default memory_limiter, batch (and other pipeline processors)

  Pipeline processors: lists used to be defined in the OpAMP remote config
  sent by the API (packages/api/src/opamp/controllers/opampController.ts).
  That meant the remote config overwrote any pipeline processors: list a
  user supplied via CUSTOM_OTELCOL_CONFIG_FILE, making it impossible to
  substitute the default memory_limiter with one configured for
  limit_percentage/spike_limit_percentage mode (ClickStack OTel collector hard-codes memory_limiter and custom config cannot override it #2145).

  The pipeline processors: lists now live in the bootstrap config
  (docker/otel-collector/config.yaml for supervisor mode, and
  docker/otel-collector/config.standalone.yaml for standalone mode). The
  OpAMP remote config no longer sets processors: on these pipelines, so the
  bootstrap+custom merge wins. Receivers and exporters are still configured
  dynamically by the OpAMP controller.

  To override memory_limiter, define a new processor with a different name
  in CUSTOM_OTELCOL_CONFIG_FILE and swap the pipeline processors: lists:

  processors:
    memory_limiter/custom:
      check_interval: 5s
      limit_percentage: 75
      spike_limit_percentage: 25
  
  service:
    pipelines:
      traces:
        processors: [memory_limiter/custom, batch]
      metrics:
        processors: [memory_limiter/custom, batch]
      logs/out-default:
        processors: [memory_limiter/custom, transform, batch]
      logs/out-rrweb:
        processors: [memory_limiter/custom, batch]

  The default memory_limiter block defined in the base config is left in
  the merged config but is no longer referenced by any pipeline; the
  collector only instantiates memory_limiter/custom at runtime.

  The same swap pattern works for the batch processor (and any other base
  processor). For example, to lower the export timeout on a specific
  pipeline:

  processors:
    batch/lowlatency:
      send_batch_size: 1000
      send_batch_max_size: 2000
      timeout: 500ms
  
  service:
    pipelines:
      traces:
        processors: [memory_limiter, batch/lowlatency]
      logs/out-default:
        processors: [memory_limiter, transform, batch/lowlatency]

  Lighter-weight env-var tuning is also available for the default batch
  processor without writing a custom config file:
  HYPERDX_OTEL_BATCH_SEND_BATCH_SIZE,
  HYPERDX_OTEL_BATCH_SEND_BATCH_MAX_SIZE, and HYPERDX_OTEL_BATCH_TIMEOUT.
  See the README for details.

Patch Changes

• d134212: feat(mcp): add hyperdx_describe_source tool and slim list_sources to catalog

  Add hyperdx_describe_source — returns full column schema, map attribute
  keys, and sampled low-cardinality values (SeverityText, StatusCode,
  ServiceName, etc.) for a single source. Uses existing rollup tables for
  performant value sampling.

  Slim hyperdx_list_sources to a lightweight MongoDB-only catalog (no
  ClickHouse queries). Source tools moved to a dedicated tools/sources/
  module.

  All query tool descriptions and prompts updated to reference the two-step
  list_sources → describe_source discovery workflow.

• a945fa0: feat(mcp): add hyperdx_event_deltas tool

  Add hyperdx_event_deltas MCP tool that compares two row groups (target
  vs baseline) and ranks properties by how much their value distributions
  differ. Same algorithm as the in-app Event Deltas view.

  Extract shared event-deltas algorithm from the UI into
  @hyperdx/common-utils/src/core/eventDeltas.ts so it can be used by
  both the frontend and the MCP server.

• e1c4381: fix: bare-text Lucene search now falls back from Implicit Column Expression to
  Body Expression on log sources

  Previously, a log source configured with bodyExpression set but
  implicitColumnExpression unset threw Can not search bare text without an implicit column set. on every bare-token search, even though the row panel
  rendered correctly using the body column.

  Search now reuses the same one-way fallback that getEventBody already
  implements: when no Implicit Column Expression is set, bare-text search runs
  against the configured Body Expression. Trace sources are unchanged
  (spanNameExpression is not a body equivalent for trace search).

• c3a8aa5: feat(mcp): rewrite dashboard authoring prompts and expose filters on hyperdx_save_dashboard

  The create_dashboard prompt now leads with a design checklist (alias every select item including number tiles, schema gap on groupBy so tables don't render arrayElement(SpanAttributes, '...') as the column header, RED columns with aliases, per-series numberFormat for durations, groupByColumnsOnLeft for inventory tables, dashboard-level filters instead of per-tile where literals, one-metric-per-tile for metric sources, required containers at five or more tiles, post-save validation of every tile, no title-recap markdown). The wall-of-JSON canonical example is gone; the dashboard_examples patterns carry the concrete shapes.

  The dashboard_examples set is replaced with four verified patterns (service_inventory, service_detail, log_analytics, backend_dependencies) plus the existing infrastructure_sql. Each non-SQL example leads with a "When to use" header and a "Why this shape" note so the model picks by intent, not by surface keyword match. Examples were built and rendered on a live dev stack before landing.

  The query_guide prompt gains a DASHBOARD FILTERS section that documents the filters: [{ type, name, expression, sourceId, where?, whereLanguage? }] shape, a NUMBER FORMAT section that explains the per-series vs. chart-level distinction, and a PER-TILE TYPE CONSTRAINTS note that metric tiles take exactly one select item per tile.

  hyperdx_save_dashboard now accepts filters on its input schema, reusing externalDashboardFilterSchemaWithId so the MCP and REST surfaces stay in lockstep and the existing convertExternalFiltersToInternal helper handles the conversion without translation. Filters round-trip through create, get, and update.

  Voice pass: every prompt string is now em-dash-free.

• a4b9fa8: feat(mcp): improve MCP tool quality — error hints, shared helpers, better messages

  Extract duplicated ClickHouse error handling into a shared helper with
  pattern-matched error hints (DateTime64 casting, AS alias quoting, response
  size limits) so agents get actionable guidance on common failures. Add
  reusable mergeWhereIntoSelectItems() helper for consistent top-level where
  injection. Improve source/connection-not-found messages to suggest calling
  hyperdx_list_sources.

• 07911fd: feat(mcp): add trace waterfall and breakdown tools

  Add hyperdx_trace_waterfall — fetch all spans in a single trace as a
  parent/child waterfall tree with optional correlated logs. Supports
  auto-pick by slowest, first error, or most recent trace.

  Add hyperdx_trace_top_time_consuming_operations — aggregate breakdown
  of child operations consuming the most cumulative time across traces
  matching a parent-span filter. Same algorithm as the in-app "Top Most
  Time Consuming Operations" chart.

• 04a5a92: feat: Add source scoping to dashboard filters

• 8810ff0: feat: Add option for force-enabling/disabling text index support

• a8eb27d: feat: filters reflect all values, not search aware; filters use metadata MVs if available

• Updated dependencies [3123db5]

• Updated dependencies [dcab1cb]

• Updated dependencies [a945fa0]

• Updated dependencies [1df7583]

• Updated dependencies [6a5ac3e]

• Updated dependencies [e1c4381]

• Updated dependencies [b30dfe0]

• Updated dependencies [dcb8582]

• Updated dependencies [b5148c8]

• Updated dependencies [04a5a92]

• Updated dependencies [8810ff0]

• Updated dependencies [a8eb27d]

  • @hyperdx/common-utils@0.20.0

@hyperdx/app@2.28.0

Minor Changes

• 3123db5: feat: experimental promql support

• 1df7583: feat: emit Lucene conditions from sidebar/dashboard filters to enable KV items direct_read optimization on Map columns

  Legacy type: 'sql' filters in URLs are automatically migrated to Lucene
  on page load. The persisted DashboardFilter.expression in MongoDB is unchanged.

• cb6a74c: fix(otel-collector): allow CUSTOM_OTELCOL_CONFIG_FILE to override the
  default memory_limiter, batch (and other pipeline processors)

  Pipeline processors: lists used to be defined in the OpAMP remote config
  sent by the API (packages/api/src/opamp/controllers/opampController.ts).
  That meant the remote config overwrote any pipeline processors: list a
  user supplied via CUSTOM_OTELCOL_CONFIG_FILE, making it impossible to
  substitute the default memory_limiter with one configured for
  limit_percentage/spike_limit_percentage mode (ClickStack OTel collector hard-codes memory_limiter and custom config cannot override it #2145).

  The pipeline processors: lists now live in the bootstrap config
  (docker/otel-collector/config.yaml for supervisor mode, and
  docker/otel-collector/config.standalone.yaml for standalone mode). The
  OpAMP remote config no longer sets processors: on these pipelines, so the
  bootstrap+custom merge wins. Receivers and exporters are still configured
  dynamically by the OpAMP controller.

  To override memory_limiter, define a new processor with a different name
  in CUSTOM_OTELCOL_CONFIG_FILE and swap the pipeline processors: lists:

  processors:
    memory_limiter/custom:
      check_interval: 5s
      limit_percentage: 75
      spike_limit_percentage: 25
  
  service:
    pipelines:
      traces:
        processors: [memory_limiter/custom, batch]
      metrics:
        processors: [memory_limiter/custom, batch]
      logs/out-default:
        processors: [memory_limiter/custom, transform, batch]
      logs/out-rrweb:
        processors: [memory_limiter/custom, batch]

  The default memory_limiter block defined in the base config is left in
  the merged config but is no longer referenced by any pipeline; the
  collector only instantiates memory_limiter/custom at runtime.

  The same swap pattern works for the batch processor (and any other base
  processor). For example, to lower the export timeout on a specific
  pipeline:

  processors:
    batch/lowlatency:
      send_batch_size: 1000
      send_batch_max_size: 2000
      timeout: 500ms
  
  service:
    pipelines:
      traces:
        processors: [memory_limiter, batch/lowlatency]
      logs/out-default:
        processors: [memory_limiter, transform, batch/lowlatency]

  Lighter-weight env-var tuning is also available for the default batch
  processor without writing a custom config file:
  HYPERDX_OTEL_BATCH_SEND_BATCH_SIZE,
  HYPERDX_OTEL_BATCH_SEND_BATCH_MAX_SIZE, and HYPERDX_OTEL_BATCH_TIMEOUT.
  See the README for details.

• b8f51ed: feat: upgrade to clickhouse-server 26.5

Patch Changes

• 55926e5: fix: "Add to Filters" on a JSON-typed ClickHouse column no longer produces an
  unparseable Lucene query

  Previously, clicking "Add to Filters" on a field under a JSON column wrapped
  the field path with toString(...) before handing it off as a Lucene filter
  key. Lucene's grammar forbids parentheses inside field names, so the resulting
  condition like toString(JSONColumn.\foo`):"…"failed to parse withExpected … but ":" found.`

  The handler now passes the clean dot-notation path (e.g. JSONColumn.foo)
  to the filter setter.

• 1648c22: feat(dashboard): add Table of Contents right rail with bulk collapse/expand

  Adds a toggleable right-rail Table of Contents to the dashboard page, plus
  "Collapse all sections" and "Expand all sections" actions. All three live
  under a new "View" section in the dashboard's existing menu. TOC visibility
  is persisted per-user via localStorage; bulk collapse uses the same
  per-viewer URL state as single-section toggling, so it's shareable via link
  and does not change the dashboard's stored defaults. Clicking a TOC entry
  scrolls the section into view, auto-expanding it first if collapsed.

• 937e043: fix: collapse duplicate map sub-key entries in the search filter sidebar (HDX-4340)

  A map sub-field stored in filterState under dot notation (e.g. LogAttributes.time,
  from a Lucene URL round-trip) and the same key returned by the facet query under
  bracket notation (e.g. LogAttributes['time']) no longer render as two separate
  accordion items. The merged entry keeps the bracket form so "Load more" stays
  valid, and the user's selection still resolves via a tolerant filterState lookup.

• dcab1cb: feat: default the direct_read map column optimization on supported ClickHouse versions

  The full-text-search logs schema (00002_otel_logs.sql) now ships with
  ResourceAttributeItems, ScopeAttributeItems, and LogAttributeItems
  ALIAS columns plus their text(tokenizer='array') skip indexes. The
  traces schema (00005_otel_traces.sql) similarly gains
  ResourceAttributeItems and SpanAttributeItems ALIAS columns with
  matching items indexes. New installs and freshly migrated tables get
  the optimization automatically — no manual ALTER TABLE required.

  Note: the traces table previously used only bloom_filter skip indexes
  and worked on any ClickHouse version. The added text(tokenizer='array')
  items indexes raise the minimum ClickHouse version required to create
  the traces table to >= 26.2. Existing tables on older clusters are
  unaffected (CREATE TABLE IF NOT EXISTS is a no-op).

  At query time, the app gates the Map['key'] = 'value' →
  has(<MapItems>, concat('key', '=', 'value')) rewrite on the connected
  ClickHouse server version (SELECT version(), cached per connection).
  The gate only applies to ALIAS items columns, which are computed at
  query time and therefore depend on the server being able to perform a
  direct_read against the underlying Map's tuple storage. The direct_read
  feature was backported into multiple stable 26.x release lines, so the
  gate uses a per-branch minimum:

  • 26.2 line: >= 26.2.19.43
  • 26.3 line: >= 26.3.12.3
  • 26.4 line: >= 26.4.3.37
  • 26.5+ : always supported

  ALIAS items columns on servers below their branch's threshold continue
  to compile filters into the original Map-subscript form.

  MATERIALIZED items columns are always used when available, regardless
  of ClickHouse version. MATERIALIZED columns are physically stored on
  disk, so has(items, ...) reads them directly and works on any
  ClickHouse version that supports the text index itself. Operators who
  want the optimization on servers below the backport cutoffs can
  ALTER TABLE to materialize the items columns.

• 923b544: feat: preserve compatible filters when switching sources

• b94b8ef: fix: persist column widths in search results table

• 996a113: fix(row-panel): hide empty attribute sections and stop showing "[Empty]"
  when the source's body column isn't configured

  The row-expand side panel always rendered Log/Span Attributes and
  Resource Attributes accordion sections, even when both were empty. The
  body header fell back to a literal [Empty] paper in two visually
  identical cases that meant different things: the body column was
  configured but the value was empty, or the body column wasn't configured
  on the source at all.

  The two attribute accordions now mirror the existing topLevelAttributes
  pattern and only render when their content is non-empty. The body header
  takes a new bodyConfigured prop: when false (source has neither body
  nor implicit column expression configured), the body paper is suppressed
  entirely. When true and the content is empty, the placeholder reads
  "No body for this event." instead of [Empty].

  DBRowOverviewPanel derives bodyConfigured from
  getEventBody(source) !== undefined, which already returns undefined
  when neither expression is set.

  Fixes HDX-4373.

• e1c4381: fix: bare-text Lucene search now falls back from Implicit Column Expression to
  Body Expression on log sources

  Previously, a log source configured with bodyExpression set but
  implicitColumnExpression unset threw Can not search bare text without an implicit column set. on every bare-token search, even though the row panel
  rendered correctly using the body column.

  Search now reuses the same one-way fallback that getEventBody already
  implements: when no Implicit Column Expression is set, bare-text search runs
  against the configured Body Expression. Trace sources are unchanged
  (spanNameExpression is not a body equivalent for trace search).

• 19cd7c9: fix: only use pk and row uniqueness to look up a row

• a44fa21: Number tile: pick a static color from the palette in Display Settings. The color picker stores a palette token (not a hex value) so the choice reflows correctly across light, dark, and IDE themes.

• b5148c8: Dashboard table tiles configured with a row-click action now show a hover hint describing where the click will go (for example, Search HyperDX Logs or Open dashboard "API Latency Drilldown"). The cell wrapper is now a real link, so cmd-click and middle-click open the destination in a new tab, right-click shows the browser context menu with "Open in New Tab" and "Copy Link Address", and the destination URL appears in the browser status bar on hover. Keyboard users can Tab to a cell and press Enter to navigate, with a visible focus ring.

• 0e8a5b3: chore: use PageHeader title prop on Alerts, Dashboards, and Saved Searches list pages for consistency with the shared header API.

• 800081c: chore: migrate the ClickHouse dashboard to shared PageLayout with breadcrumbs and a sticky header (connection selector, time range, refresh) instead of a duplicate page title.

• 41d6760: chore: migrate the Kubernetes dashboard to shared PageLayout with breadcrumbs and a sticky header (log + metric sources, time range, refresh) instead of a duplicate page title.

• 4d248bf: chore: migrate Service Map to shared PageLayout with a sticky toolbar (source, sampling, time range) and no duplicate page title.

• 633eda6: refactor: Use new VirtualMultiSelect for dashboard filter inputs

• 8938b05: fix: let "Load more" surface unselected values in exact filter mode

• 04a5a92: feat: Add source scoping to dashboard filters

• b24cb88: fix(app): copy correct session URL on first Share Session click

  The Share Session button captured window.location.href at render time, which ran before nuqs flushed sid/sfrom/sto into the URL. The button now reads the URL at click time via the shared copyTextToClipboard util, so the first copy always contains the session params (no reload needed).

• 8810ff0: feat: Add option for force-enabling/disabling text index support

• a8eb27d: feat: filters reflect all values, not search aware; filters use metadata MVs if available

• Updated dependencies [3123db5]

• Updated dependencies [d134212]

• Updated dependencies [dcab1cb]

• Updated dependencies [a945fa0]

• Updated dependencies [1df7583]

• Updated dependencies [cb6a74c]

• Updated dependencies [6a5ac3e]

• Updated dependencies [e1c4381]

• Updated dependencies [b30dfe0]

• Updated dependencies [dcb8582]

• Updated dependencies [c3a8aa5]

• Updated dependencies [a4b9fa8]

• Updated dependencies [07911fd]

• Updated dependencies [b5148c8]

• Updated dependencies [04a5a92]

• Updated dependencies [8810ff0]

• Updated dependencies [a8eb27d]

  • @hyperdx/common-utils@0.20.0
  • @hyperdx/api@2.28.0

@hyperdx/common-utils@0.20.0

Minor Changes

• 3123db5: feat: experimental promql support

• dcab1cb: feat: default the direct_read map column optimization on supported ClickHouse versions

  The full-text-search logs schema (00002_otel_logs.sql) now ships with
  ResourceAttributeItems, ScopeAttributeItems, and LogAttributeItems
  ALIAS columns plus their text(tokenizer='array') skip indexes. The
  traces schema (00005_otel_traces.sql) similarly gains
  ResourceAttributeItems and SpanAttributeItems ALIAS columns with
  matching items indexes. New installs and freshly migrated tables get
  the optimization automatically — no manual ALTER TABLE required.

  Note: the traces table previously used only bloom_filter skip indexes
  and worked on any ClickHouse version. The added text(tokenizer='array')
  items indexes raise the minimum ClickHouse version required to create
  the traces table to >= 26.2. Existing tables on older clusters are
  unaffected (CREATE TABLE IF NOT EXISTS is a no-op).

  At query time, the app gates the Map['key'] = 'value' →
  has(<MapItems>, concat('key', '=', 'value')) rewrite on the connected
  ClickHouse server version (SELECT version(), cached per connection).
  The gate only applies to ALIAS items columns, which are computed at
  query time and therefore depend on the server being able to perform a
  direct_read against the underlying Map's tuple storage. The direct_read
  feature was backported into multiple stable 26.x release lines, so the
  gate uses a per-branch minimum:

  • 26.2 line: >= 26.2.19.43
  • 26.3 line: >= 26.3.12.3
  • 26.4 line: >= 26.4.3.37
  • 26.5+ : always supported

  ALIAS items columns on servers below their branch's threshold continue
  to compile filters into the original Map-subscript form.

  MATERIALIZED items columns are always used when available, regardless
  of ClickHouse version. MATERIALIZED columns are physically stored on
  disk, so has(items, ...) reads them directly and works on any
  ClickHouse version that supports the text index itself. Operators who
  want the optimization on servers below the backport cutoffs can
  ALTER TABLE to materialize the items columns.

• 1df7583: feat: emit Lucene conditions from sidebar/dashboard filters to enable KV items direct_read optimization on Map columns

  Legacy type: 'sql' filters in URLs are automatically migrated to Lucene
  on page load. The persisted DashboardFilter.expression in MongoDB is unchanged.

Patch Changes

• a945fa0: feat(mcp): add hyperdx_event_deltas tool

  Add hyperdx_event_deltas MCP tool that compares two row groups (target
  vs baseline) and ranks properties by how much their value distributions
  differ. Same algorithm as the in-app Event Deltas view.

  Extract shared event-deltas algorithm from the UI into
  @hyperdx/common-utils/src/core/eventDeltas.ts so it can be used by
  both the frontend and the MCP server.

• 6a5ac3e: fix(charts): histogram bucket picks the highest-precision DateTime column when
  Timestamp Column lists multiple columns

  When a source's Timestamp Column listed multiple columns (e.g.
  "EventDate, EventTime" for partition-pruning), the histogram bucket was
  built from only the first token. If that token was a Date column, every
  row in a day collapsed into a single bar at midnight UTC of that day.

  The bucket resolver now walks the comma-split list, queries each column's
  type via metadata, and returns the highest-precision DateTime / DateTime64
  token. Date columns are skipped. If no DateTime-typed token is found, the
  original first-token behavior is preserved with a console.warn.

  The WHERE clause continues to use the multi-column form, so partition
  pruning via the Date column keeps working. The same resolved column is
  also used for the argMin / argMax / min / max time math in delta
  expressions.

  Fixes HDX-4371.

• e1c4381: fix: bare-text Lucene search now falls back from Implicit Column Expression to
  Body Expression on log sources

  Previously, a log source configured with bodyExpression set but
  implicitColumnExpression unset threw Can not search bare text without an implicit column set. on every bare-token search, even though the row panel
  rendered correctly using the body column.

  Search now reuses the same one-way fallback that getEventBody already
  implements: when no Implicit Column Expression is set, bare-text search runs
  against the configured Body Expression. Trace sources are unchanged
  (spanNameExpression is not a body equivalent for trace search).

• b30dfe0: fix: support text index on lower(Body) with no preprocessor

• dcb8582: fix: escape colons in Lucene field names so filters on Map sub-keys containing
  : (e.g. LogAttributes['foo:bar']) parse correctly

  filtersToQuery now backslash-escapes : and \ in the emitted Lucene field
  name, and parseLuceneFilter + the SQL serializer decode those placeholders
  when consuming the AST so the original key is restored end-to-end.

• b5148c8: Dashboard table tiles configured with a row-click action now show a hover hint describing where the click will go (for example, Search HyperDX Logs or Open dashboard "API Latency Drilldown"). The cell wrapper is now a real link, so cmd-click and middle-click open the destination in a new tab, right-click shows the browser context menu with "Open in New Tab" and "Copy Link Address", and the destination URL appears in the browser status bar on hover. Keyboard users can Tab to a cell and press Enter to navigate, with a visible focus ring.

• 04a5a92: feat: Add source scoping to dashboard filters

• 8810ff0: feat: Add option for force-enabling/disabling text index support

• a8eb27d: feat: filters reflect all values, not search aware; filters use metadata MVs if available

@hyperdx/otel-collector@2.28.0

Minor Changes

• 3123db5: feat: experimental promql support

• cb6a74c: fix(otel-collector): allow CUSTOM_OTELCOL_CONFIG_FILE to override the
  default memory_limiter, batch (and other pipeline processors)

  Pipeline processors: lists used to be defined in the OpAMP remote config
  sent by the API (packages/api/src/opamp/controllers/opampController.ts).
  That meant the remote config overwrote any pipeline processors: list a
  user supplied via CUSTOM_OTELCOL_CONFIG_FILE, making it impossible to
  substitute the default memory_limiter with one configured for
  limit_percentage/spike_limit_percentage mode (ClickStack OTel collector hard-codes memory_limiter and custom config cannot override it #2145).

  The pipeline processors: lists now live in the bootstrap config
  (docker/otel-collector/config.yaml for supervisor mode, and
  docker/otel-collector/config.standalone.yaml for standalone mode). The
  OpAMP remote config no longer sets processors: on these pipelines, so the
  bootstrap+custom merge wins. Receivers and exporters are still configured
  dynamically by the OpAMP controller.

  To override memory_limiter, define a new processor with a different name
  in CUSTOM_OTELCOL_CONFIG_FILE and swap the pipeline processors: lists:

  processors:
    memory_limiter/custom:
      check_interval: 5s
      limit_percentage: 75
      spike_limit_percentage: 25
  
  service:
    pipelines:
      traces:
        processors: [memory_limiter/custom, batch]
      metrics:
        processors: [memory_limiter/custom, batch]
      logs/out-default:
        processors: [memory_limiter/custom, transform, batch]
      logs/out-rrweb:
        processors: [memory_limiter/custom, batch]

  The default memory_limiter block defined in the base config is left in
  the merged config but is no longer referenced by any pipeline; the
  collector only instantiates memory_limiter/custom at runtime.

  The same swap pattern works for the batch processor (and any other base
  processor). For example, to lower the export timeout on a specific
  pipeline:

  processors:
    batch/lowlatency:
      send_batch_size: 1000
      send_batch_max_size: 2000
      timeout: 500ms
  
  service:
    pipelines:
      traces:
        processors: [memory_limiter, batch/lowlatency]
      logs/out-default:
        processors: [memory_limiter, transform, batch/lowlatency]

  Lighter-weight env-var tuning is also available for the default batch
  processor without writing a custom config file:
  HYPERDX_OTEL_BATCH_SEND_BATCH_SIZE,
  HYPERDX_OTEL_BATCH_SEND_BATCH_MAX_SIZE, and HYPERDX_OTEL_BATCH_TIMEOUT.
  See the README for details.

Patch Changes

• ad3f1c9: fix(otel-collector): skip string severity inference when JSON body has a
  level/severity field

  When the log body parsed as JSON and contained a level-like field, the
  pipeline still ran its \b(alert|crit|emerg|fatal|error|err|warn|notice|debug|dbug|trace)
  keyword scan over the raw body string. The leading-only \b boundary
  matched any word starting with a severity keyword, so bodies containing
  words like alertmanager, alerting, errors, warning, etc. produced
  the wrong severity. A Grafana sidecar log with body
  {"level":"INFO", "msg":"... mimir-alertmanager-dashboard ..."} was being
  tagged SeverityText="fatal", SeverityNumber=21 because alert matched
  inside alertmanager, even though the JSON level said INFO.

  A new OTTL log_statements block in
  docker/otel-collector/config.yaml runs between the existing JSON-parse
  block and the string-inference block. It promotes a JSON-derived level
  field (now in log.attributes) to log.severity_text, which causes the
  string-inference block to be skipped via its existing
  severity_number == 0 and severity_text == "" guard. The block is
  case-insensitive across keys by enumerating common casings of common field
  names used by mainstream logging frameworks: level / Level / LEVEL
  (pino, winston, zerolog, zap, logrus, slog, Serilog, NLog),
  severity / Severity / SEVERITY (Datadog, GCP Cloud Logging), and
  log.level (Elastic ECS, flattened from nested JSON). Each set
  self-guards on severity_text == "" so the first match wins (priority:
  level > severity > log.level). The block as a whole is gated on no
  producer-set severity, so explicit producer values are always preserved.

  severity_number is mapped via case-insensitive (?i) regex over
  severity_text, mirroring the existing string-inference keyword set.
  Unrecognized values (e.g. "verbose") fall back to INFO, matching
  block 2's else-branch. The existing ConvertCase(severity_text, "lower")
  normalization is unchanged.

  Behavior preserved for: non-JSON bodies, JSON bodies without a level
  field, and any log record where the producer already set
  severity_text or severity_number.

  Fixes HDX-4383.

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Project	Deployment	Actions	Updated (UTC)
hyperdx-oss	Ready	Preview, Comment	May 29, 2026 8:50pm
hyperdx-storybook	Ready	Preview, Comment	May 29, 2026 8:50pm