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feat: add attribute value depth limit configuration #702

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1b905e6
feat: add attribute value depth limit configuration
pellared Jul 16, 2026
68f3c03
add PR number
pellared Jul 16, 2026
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pellared Jul 16, 2026
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -4,6 +4,8 @@
following the deprecation of OpenCensus compatibility in the
specification
([#655](https://github.com/open-telemetry/opentelemetry-configuration/pull/655))
* Add `attribute_value_depth_limit` to attribute, span, and log record limits
([#702](https://github.com/open-telemetry/opentelemetry-configuration/pull/702))

## v1.1.0 - 2026-06-05

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3 changes: 3 additions & 0 deletions examples/otel-sdk-config.yaml
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Expand Up @@ -16,6 +16,7 @@ resource:
value: unknown_service
attribute_limits:
attribute_value_length_limit:
attribute_value_depth_limit: 64
attribute_count_limit: 128
propagator:
composite:
Expand All @@ -39,6 +40,7 @@ tracer_provider:
timeout: 10000
limits:
attribute_value_length_limit:
attribute_value_depth_limit: 64
attribute_count_limit: 128
event_count_limit: 128
link_count_limit: 128
Expand Down Expand Up @@ -91,4 +93,5 @@ logger_provider:
timeout: 10000
limits:
attribute_value_length_limit:
attribute_value_depth_limit: 64
attribute_count_limit: 128
36 changes: 18 additions & 18 deletions language-support-status.md
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24 changes: 24 additions & 0 deletions opentelemetry_configuration.json
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Expand Up @@ -114,6 +114,14 @@
"minimum": 0,
"description": "Configure max attribute value size. \nValue must be non-negative.\nIf omitted or null, there is no limit.\n"
},
"attribute_value_depth_limit": {
"type": [
"integer",
"null"
],
"minimum": 1,
"description": "Configure the maximum attribute value depth for nested array and map values.\nDepth starts at 1 for the top-level attribute value and increments when descending into array elements or map values.\nArray or map values deeper than the limit are replaced with an empty value.\nValue must be positive.\nIf omitted or null, 64 is used.\n"
},
"attribute_count_limit": {
"type": [
"integer",
Expand Down Expand Up @@ -1591,6 +1599,14 @@
"minimum": 0,
"description": "Configure max attribute value size. Overrides .attribute_limits.attribute_value_length_limit. \nValue must be non-negative.\nIf omitted or null, there is no limit.\n"
},
"attribute_value_depth_limit": {
"type": [
"integer",
"null"
],
"minimum": 1,
"description": "Configure the maximum attribute value depth for nested array and map values. Overrides .attribute_limits.attribute_value_depth_limit.\nDepth starts at 1 for the top-level attribute value and increments when descending into array elements or map values.\nArray or map values deeper than the limit are replaced with an empty value.\nValue must be positive.\nIf omitted or null, 64 is used.\n"
},
"attribute_count_limit": {
"type": [
"integer",
Expand Down Expand Up @@ -2319,6 +2335,14 @@
"minimum": 0,
"description": "Configure max attribute value size. Overrides .attribute_limits.attribute_value_length_limit. \nValue must be non-negative.\nIf omitted or null, there is no limit.\n"
},
"attribute_value_depth_limit": {
"type": [
"integer",
"null"
],
"minimum": 1,
"description": "Configure the maximum attribute value depth for nested array and map values. Overrides .attribute_limits.attribute_value_depth_limit.\nDepth starts at 1 for the top-level attribute value and increments when descending into array elements or map values.\nArray or map values deeper than the limit are replaced with an empty value.\nValue must be positive.\nIf omitted or null, 64 is used.\n"
},
"attribute_count_limit": {
"type": [
"integer",
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11 changes: 11 additions & 0 deletions schema/logger_provider.yaml
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Expand Up @@ -116,6 +116,17 @@ $defs:
Configure max attribute value size. Overrides .attribute_limits.attribute_value_length_limit.
Value must be non-negative.
defaultBehavior: there is no limit
attribute_value_depth_limit:
type:
- integer
- "null"
minimum: 1
description: |
Configure the maximum attribute value depth for nested array and map values. Overrides .attribute_limits.attribute_value_depth_limit.
Depth starts at 1 for the top-level attribute value and increments when descending into array elements or map values.
Array or map values deeper than the limit are replaced with an empty value.
Value must be positive.
defaultBehavior: 64 is used
attribute_count_limit:
type:
- integer
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12 changes: 9 additions & 3 deletions schema/meta_schema_language_cpp.yaml
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Expand Up @@ -11,7 +11,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: AttributeLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: AttributeNameValue
status: supported
propertyOverrides: []
Expand Down Expand Up @@ -92,7 +94,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: LogRecordLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: LogRecordProcessor
status: supported
propertyOverrides:
Expand Down Expand Up @@ -177,7 +181,9 @@ typeSupportStatuses:
enumOverrides: []
- type: SpanLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: SpanProcessor
status: supported
propertyOverrides: []
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8 changes: 6 additions & 2 deletions schema/meta_schema_language_go.yaml
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Expand Up @@ -11,7 +11,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: AttributeLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: AttributeNameValue
status: supported
propertyOverrides: []
Expand Down Expand Up @@ -100,7 +102,9 @@ typeSupportStatuses:
status: not_implemented
- type: LogRecordLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: LogRecordProcessor
status: supported
propertyOverrides:
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12 changes: 9 additions & 3 deletions schema/meta_schema_language_java.yaml
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Expand Up @@ -11,7 +11,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: AttributeLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: AttributeNameValue
status: supported
propertyOverrides: []
Expand Down Expand Up @@ -98,7 +100,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: LogRecordLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: LogRecordProcessor
status: supported
propertyOverrides:
Expand Down Expand Up @@ -193,7 +197,9 @@ typeSupportStatuses:
enumOverrides: []
- type: SpanLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: SpanProcessor
status: supported
propertyOverrides: []
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12 changes: 9 additions & 3 deletions schema/meta_schema_language_js.yaml
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Expand Up @@ -11,7 +11,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: AttributeLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: AttributeNameValue
status: supported
propertyOverrides: []
Expand Down Expand Up @@ -96,7 +98,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: LogRecordLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: LogRecordProcessor
status: supported
propertyOverrides: []
Expand Down Expand Up @@ -179,7 +183,9 @@ typeSupportStatuses:
enumOverrides: []
- type: SpanLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: SpanProcessor
status: supported
propertyOverrides: []
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12 changes: 9 additions & 3 deletions schema/meta_schema_language_php.yaml
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Expand Up @@ -11,7 +11,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: AttributeLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: AttributeNameValue
status: supported
propertyOverrides:
Expand Down Expand Up @@ -100,7 +102,9 @@ typeSupportStatuses:
propertyOverrides: []
- type: LogRecordLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: LogRecordProcessor
status: supported
propertyOverrides:
Expand Down Expand Up @@ -213,7 +217,9 @@ typeSupportStatuses:
enumOverrides: []
- type: SpanLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: SpanProcessor
status: supported
propertyOverrides: []
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4 changes: 3 additions & 1 deletion schema/meta_schema_language_python.yaml
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Expand Up @@ -173,7 +173,9 @@ typeSupportStatuses:
enumOverrides: []
- type: SpanLimits
status: supported
propertyOverrides: []
propertyOverrides:
- property: attribute_value_depth_limit
status: not_implemented
- type: SpanProcessor
status: supported
propertyOverrides: []
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11 changes: 11 additions & 0 deletions schema/opentelemetry_configuration.yaml
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Expand Up @@ -79,6 +79,17 @@ $defs:
Configure max attribute value size.
Value must be non-negative.
defaultBehavior: there is no limit
attribute_value_depth_limit:
type:
- integer
- "null"
minimum: 1
description: |
Configure the maximum attribute value depth for nested array and map values.
Depth starts at 1 for the top-level attribute value and increments when descending into array elements or map values.
Array or map values deeper than the limit are replaced with an empty value.
Value must be positive.
defaultBehavior: 64 is used
attribute_count_limit:
type:
- integer
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11 changes: 11 additions & 0 deletions schema/tracer_provider.yaml
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Expand Up @@ -469,6 +469,17 @@ $defs:
Configure max attribute value size. Overrides .attribute_limits.attribute_value_length_limit.
Value must be non-negative.
defaultBehavior: there is no limit
attribute_value_depth_limit:
type:
- integer
- "null"
minimum: 1
description: |
Configure the maximum attribute value depth for nested array and map values. Overrides .attribute_limits.attribute_value_depth_limit.
Depth starts at 1 for the top-level attribute value and increments when descending into array elements or map values.
Array or map values deeper than the limit are replaced with an empty value.
Value must be positive.
defaultBehavior: 64 is used
attribute_count_limit:
type:
- integer
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6 changes: 4 additions & 2 deletions snippets/LogRecordLimits_kitchen_sink.yaml
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Expand Up @@ -2,6 +2,7 @@ file_format: "1.1"

attribute_limits:
attribute_value_length_limit: 2048
attribute_value_depth_limit: 32
attribute_count_limit: 64

logger_provider:
Expand All @@ -11,6 +12,7 @@ logger_provider:
console:
limits:
# SNIPPET_START
# .logger_provider.limits take priority over general .attribute_limits. In this contrived example, attribute_value_length_limit is set to 4096, attribute_count_limit is set to 128, overriding the values from general .attribute_limits.
# .logger_provider.limits take priority over general .attribute_limits. In this contrived example, attribute_value_length_limit is set to 4096, attribute_value_depth_limit is set to 64, and attribute_count_limit is set to 128, overriding the values from general .attribute_limits.
attribute_count_limit: 128
attribute_value_length_limit: 4096
attribute_value_depth_limit: 64
attribute_value_length_limit: 4096
6 changes: 4 additions & 2 deletions snippets/SpanLimits_kitchen_sink.yaml
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Expand Up @@ -2,6 +2,7 @@ file_format: "1.1"

attribute_limits:
attribute_value_length_limit: 2048
attribute_value_depth_limit: 32
attribute_count_limit: 64

tracer_provider:
Expand All @@ -11,10 +12,11 @@ tracer_provider:
console:
limits:
# SNIPPET_START
# .tracer_provider.limits take priority over general .attribute_limits. In this contrived example, attribute_value_length_limit is set to 4096, attribute_count_limit is set to 128, overriding the values from general .attribute_limits.
# .tracer_provider.limits take priority over general .attribute_limits. In this contrived example, attribute_value_length_limit is set to 4096, attribute_value_depth_limit is set to 64, and attribute_count_limit is set to 128, overriding the values from general .attribute_limits.
attribute_count_limit: 128
attribute_value_depth_limit: 64
attribute_value_length_limit: 4096
event_attribute_count_limit: 128
event_count_limit: 128
link_attribute_count_limit: 128
link_count_limit: 128
link_count_limit: 128
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