ref(relay): Remove cardinality limiter

CHANGELOG.md

@@ -30,6 +30,7 @@
 
 - Calculate and track accepted bytes per individual trace metric item via `TraceMetricByte` data category. ([#5744](https://github.com/getsentry/relay/pull/5744), [#5767](https://github.com/getsentry/relay/pull/5767))
 - Graduate standalone span ingestion feature flag. ([#5786](https://github.com/getsentry/relay/pull/5786))
+- Remove cardinality limiter. ([#5809](https://github.com/getsentry/relay/pull/5809))
 - Use new processor architecture to process standalone profiles. ([#5741](https://github.com/getsentry/relay/pull/5741))
 - TUS: Disallow creation with upload. ([#5734](https://github.com/getsentry/relay/pull/5734))
 - Add logic to verify attachment placeholders and correctly store them. ([#5747](https://github.com/getsentry/relay/pull/5747))

Cargo.lock

@@ -4218,7 +4218,6 @@ dependencies = [
  "regex",
  "relay-auth",
  "relay-base-schema",
- "relay-cardinality",
  "relay-common",
  "relay-dynamic-config",
  "relay-event-normalization",
@@ -4233,27 +4232,6 @@ dependencies = [
  "uuid",
 ]
 
-[[package]]
-name = "relay-cardinality"
-version = "26.3.1"
-dependencies = [
- "async-trait",
- "criterion",
- "hash32",
- "hashbrown 0.15.4",
- "parking_lot",
- "relay-base-schema",
- "relay-common",
- "relay-log",
- "relay-redis",
- "relay-statsd",
- "serde",
- "serde_json",
- "thiserror 2.0.17",
- "tokio",
- "uuid",
-]
-
 [[package]]
 name = "relay-cogs"
 version = "26.3.1"
@@ -4329,7 +4307,6 @@ dependencies = [
  "anyhow",
  "relay-auth",
  "relay-base-schema",
- "relay-cardinality",
  "relay-common",
  "relay-event-normalization",
  "relay-filter",
@@ -4503,7 +4480,6 @@ dependencies = [
  "priority-queue",
  "rand 0.9.2",
  "relay-base-schema",
- "relay-cardinality",
  "relay-cogs",
  "relay-common",
  "relay-log",
@@ -4801,7 +4777,6 @@ dependencies = [
  "regex",
  "relay-auth",
  "relay-base-schema",
- "relay-cardinality",
  "relay-cogs",
  "relay-common",
  "relay-config",

Cargo.toml

@@ -41,7 +41,6 @@ unexpected_cfgs = { level = "warn", check-cfg = ['cfg(sentry)'] }
 [workspace.dependencies]
 relay-auth = { path = "relay-auth" }
 relay-base-schema = { path = "relay-base-schema" }
-relay-cardinality = { path = "relay-cardinality" }
 relay-cogs = { path = "relay-cogs" }
 relay-common = { path = "relay-common" }
 relay-config = { path = "relay-config" }

py/sentry_relay/processing.py

@@ -31,7 +31,6 @@
     "validate_sampling_condition",
     "validate_sampling_configuration",
     "normalize_project_config",
-    "normalize_cardinality_limit_config",
     "normalize_global_config",
 ]
 
@@ -327,34 +326,6 @@ def normalize_project_config(
         raise ValueError(rv)
 
 
-def normalize_cardinality_limit_config(
-    config,
-    json_dumps: Callable[[Any], Any] = json.dumps,
-    json_loads: Callable[[str | bytes], Any] = json.loads,
-):
-    """Normalize the cardinality limit config.
-
-    Normalization consists of deserializing and serializing back the given
-    cardinality limit config. If deserializing fails, throw an exception. Note that even if
-    the roundtrip doesn't produce errors, the given config may differ from
-    normalized one.
-
-    :param config: the cardinality limit config to validate.
-    :param json_dumps: a function that stringifies python objects
-    :param json_loads: a function that parses and converts JSON strings
-    """
-    serialized = json_dumps(config)
-    normalized = rustcall(
-        lib.normalize_cardinality_limit_config, encode_str(serialized)
-    )
-    rv = decode_str(normalized, free=True)
-    try:
-        return json_loads(rv)
-    except Exception:
-        # Catch all errors since json.loads implementation can change.
-        raise ValueError(rv)
-
-
 def normalize_global_config(
     config,
     json_dumps: Callable[[Any], Any] = json.dumps,

py/tests/test_processing.py

@@ -329,53 +329,6 @@ def test_normalize_project_config():
     assert config != normalized
 
 
-def test_cardinality_limit_config_equal_normalization():
-    config = {
-        "id": "project-override-custom",
-        "window": {"windowSeconds": 3600, "granularitySeconds": 600},
-        "limit": 1000,
-        "namespace": "custom",
-        "scope": "name",
-        "passive": True,
-        "report": True,
-    }
-    sentry_relay.normalize_cardinality_limit_config(config)
-    assert config == sentry_relay.normalize_cardinality_limit_config(config)
-
-
-def test_cardinality_limit_config_subset_normalized():
-    config = {
-        "id": "project-override-custom",
-        "window": {"windowSeconds": 3600, "granularitySeconds": 600},
-        "limit": 1000,
-        "namespace": "custom",
-        "scope": "name",
-        "passive": False,
-        "report": False,
-        "unknown": "value",
-    }
-    normalized = sentry_relay.normalize_cardinality_limit_config(config)
-    config.pop("passive")
-    config.pop("report")
-    config.pop("unknown")
-    assert config == normalized
-
-
-def test_cardinality_limit_config_unparsable():
-    config = {
-        "id": "project-override-custom",
-        "window": {"windowSeconds": 3600, "granularitySeconds": 600},
-        "limit": -1,
-        "namespace": "custom",
-        "scope": "name",
-    }
-    with pytest.raises(ValueError) as e:
-        sentry_relay.normalize_cardinality_limit_config(config)
-    assert (
-        str(e.value) == "invalid value: integer `-1`, expected u32 at line 1 column 107"
-    )
-
-
 def test_global_config_equal_normalization():
     config = {"measurements": {"maxCustomMeasurements": 0}}
     assert config == sentry_relay.normalize_global_config(config)

relay-cabi/Cargo.toml

@@ -24,7 +24,6 @@ lru = { workspace = true }
 regex = { workspace = true }
 relay-auth = { workspace = true }
 relay-base-schema = { workspace = true }
-relay-cardinality = { workspace = true }
 relay-common = { workspace = true }
 relay-dynamic-config = { workspace = true }
 relay-event-normalization = { workspace = true }

relay-cabi/src/processing.rs

@@ -10,7 +10,6 @@ use std::slice;
 use std::sync::OnceLock;
 
 use chrono::{DateTime, Utc};
-use relay_cardinality::CardinalityLimit;
 use relay_dynamic_config::{GlobalConfig, ProjectConfig};
 use relay_event_normalization::{
     BreakdownsConfig, ClientHints, EventValidationConfig, GeoIpLookup, NormalizationConfig,
@@ -456,17 +455,6 @@ pub unsafe extern "C" fn relay_normalize_project_config(value: *const RelayStr)
     }
 }
 
-/// Normalize a cardinality limit config.
-#[unsafe(no_mangle)]
-#[relay_ffi::catch_unwind]
-pub unsafe extern "C" fn normalize_cardinality_limit_config(value: *const RelayStr) -> RelayStr {
-    let value = unsafe { (*value).as_str() };
-    match normalize_json::<CardinalityLimit>(value) {
-        Ok(normalized) => RelayStr::from_string(normalized),
-        Err(e) => RelayStr::from_string(e.to_string()),
-    }
-}
-
 /// Normalize a global config.
 #[unsafe(no_mangle)]
 #[relay_ffi::catch_unwind]