diff --git a/docs/use-cases/observability/clickstack/ingesting-data/schemas.md b/docs/use-cases/observability/clickstack/ingesting-data/schemas.md
index 572ef81a6d8..f504cdadb27 100644
--- a/docs/use-cases/observability/clickstack/ingesting-data/schemas.md
+++ b/docs/use-cases/observability/clickstack/ingesting-data/schemas.md
@@ -44,19 +44,22 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_logs
   `__hdx_materialized_k8s.pod.name` LowCardinality(String) MATERIALIZED ResourceAttributes['k8s.pod.name'] CODEC(ZSTD(1)),
   `__hdx_materialized_k8s.pod.uid` LowCardinality(String) MATERIALIZED ResourceAttributes['k8s.pod.uid'] CODEC(ZSTD(1)),
   `__hdx_materialized_deployment.environment.name` LowCardinality(String) MATERIALIZED ResourceAttributes['deployment.environment.name'] CODEC(ZSTD(1)),
+  `ResourceAttributeItems` Array(String) ALIAS arrayMap((arr) -> concat(arr.1, '=', arr.2), ResourceAttributes::Array(Tuple(String, String))),
+  `ScopeAttributeItems` Array(String) ALIAS arrayMap((arr) -> concat(arr.1, '=', arr.2), ScopeAttributes::Array(Tuple(String, String))),
+  `LogAttributeItems` Array(String) ALIAS arrayMap((arr) -> concat(arr.1, '=', arr.2), LogAttributes::Array(Tuple(String, String))),
   INDEX idx_trace_id TraceId TYPE text(tokenizer = 'array'),
   INDEX idx_res_attr_key mapKeys(ResourceAttributes) TYPE text(tokenizer = 'array'),
-  INDEX idx_res_attr_value mapValues(ResourceAttributes) TYPE text(tokenizer = 'array'),
+  INDEX idx_res_attr_items ResourceAttributeItems TYPE text(tokenizer = 'array'),
   INDEX idx_scope_attr_key mapKeys(ScopeAttributes) TYPE text(tokenizer = 'array'),
-  INDEX idx_scope_attr_value mapValues(ScopeAttributes) TYPE text(tokenizer = 'array'),
+  INDEX idx_scope_attr_items ScopeAttributeItems TYPE text(tokenizer = 'array'),
   INDEX idx_log_attr_key mapKeys(LogAttributes) TYPE text(tokenizer = 'array'),
-  INDEX idx_log_attr_value mapValues(LogAttributes) TYPE text(tokenizer = 'array'),
+  INDEX idx_log_attr_items LogAttributeItems TYPE text(tokenizer = 'array'),
   INDEX idx_lower_body lower(Body) TYPE text(tokenizer = 'splitByNonAlpha')
 )
 ENGINE = MergeTree
 PARTITION BY toDate(Timestamp)
 ORDER BY (toStartOfFiveMinutes(Timestamp), ServiceName, Timestamp)
-TTL toDateTime(Timestamp) + ${TABLES_TTL}
+TTL toDateTime(Timestamp) + ${LOGS_TTL}
 SETTINGS index_granularity = 8192, ttl_only_drop_parts = 1, enable_block_number_column = 1, enable_block_offset_column = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -92,19 +95,21 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_traces
     `Links.Attributes` Array(Map(LowCardinality(String), String)) CODEC(ZSTD(1)),
     `__hdx_materialized_rum.sessionId` String MATERIALIZED ResourceAttributes['rum.sessionId'] CODEC(ZSTD(1)),
     `SampleRate` UInt64 MATERIALIZED greatest(toUInt64OrZero(SpanAttributes['SampleRate']), 1) CODEC(T64, ZSTD(1)),
-    INDEX idx_trace_id TraceId TYPE bloom_filter(0.001) GRANULARITY 1,
-    INDEX idx_rum_session_id __hdx_materialized_rum.sessionId TYPE bloom_filter(0.001) GRANULARITY 1,
-    INDEX idx_res_attr_key mapKeys(ResourceAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_res_attr_value mapValues(ResourceAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_span_attr_key mapKeys(SpanAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_span_attr_value mapValues(SpanAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
+    `ResourceAttributeItems` Array(String) ALIAS arrayMap((arr) -> concat(arr.1, '=', arr.2), ResourceAttributes::Array(Tuple(String, String))),
+    `SpanAttributeItems` Array(String) ALIAS arrayMap((arr) -> concat(arr.1, '=', arr.2), SpanAttributes::Array(Tuple(String, String))),
+    INDEX idx_trace_id TraceId TYPE text(tokenizer = 'array'),
+    INDEX idx_rum_session_id __hdx_materialized_rum.sessionId TYPE text(tokenizer = 'array'),
+    INDEX idx_res_attr_key mapKeys(ResourceAttributes) TYPE text(tokenizer = 'array'),
+    INDEX idx_res_attr_items ResourceAttributeItems TYPE text(tokenizer = 'array'),
+    INDEX idx_span_attr_key mapKeys(SpanAttributes) TYPE text(tokenizer = 'array'),
+    INDEX idx_span_attr_items SpanAttributeItems TYPE text(tokenizer = 'array'),
     INDEX idx_duration Duration TYPE minmax GRANULARITY 1,
-    INDEX idx_lower_span_name lower(SpanName) TYPE tokenbf_v1(32768, 3, 0) GRANULARITY 8
+    INDEX idx_lower_span_name SpanName TYPE text(tokenizer = 'splitByNonAlpha', preprocessor=lower(SpanName))
 )
 ENGINE = MergeTree
 PARTITION BY toDate(Timestamp)
 ORDER BY (ServiceName, SpanName, toDateTime(Timestamp))
-TTL toDate(Timestamp) + ${TABLES_TTL}
+TTL toDate(Timestamp) + ${TRACES_TTL}
 SETTINGS index_granularity = 8192, ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -126,16 +131,16 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_gauge
     `ScopeDroppedAttrCount` UInt32 CODEC(ZSTD(1)),
     `ScopeSchemaUrl` String CODEC(ZSTD(1)),
     `ServiceName` LowCardinality(String) CODEC(ZSTD(1)),
-    `MetricName` String CODEC(ZSTD(1)),
+    `MetricName` LowCardinality(String) CODEC(ZSTD(1)),
     `MetricDescription` String CODEC(ZSTD(1)),
     `MetricUnit` String CODEC(ZSTD(1)),
     `Attributes` Map(LowCardinality(String), String) CODEC(ZSTD(1)),
-    `StartTimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
-    `TimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+    `StartTimeUnix` DateTime CODEC(Delta, ZSTD(1)),
+    `TimeUnix` DateTime CODEC(Delta, ZSTD(1)),
     `Value` Float64 CODEC(ZSTD(1)),
     `Flags` UInt32 CODEC(ZSTD(1)),
     `Exemplars.FilteredAttributes` Array(Map(LowCardinality(String), String)) CODEC(ZSTD(1)),
-    `Exemplars.TimeUnix` Array(DateTime64(9)) CODEC(ZSTD(1)),
+    `Exemplars.TimeUnix` Array(DateTime) CODEC(ZSTD(1)),
     `Exemplars.Value` Array(Float64) CODEC(ZSTD(1)),
     `Exemplars.SpanId` Array(String) CODEC(ZSTD(1)),
     `Exemplars.TraceId` Array(String) CODEC(ZSTD(1)),
@@ -144,12 +149,13 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_gauge
     INDEX idx_scope_attr_key mapKeys(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_scope_attr_value mapValues(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_attr_key mapKeys(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1
+    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
+    INDEX idx_time_minmax TimeUnix TYPE minmax GRANULARITY 1
 )
 ENGINE = MergeTree
 PARTITION BY toDate(TimeUnix)
-ORDER BY (ServiceName, MetricName, Attributes, toUnixTimestamp64Nano(TimeUnix))
-TTL toDateTime(TimeUnix) + ${TABLES_TTL}
+ORDER BY (ServiceName, MetricName, toStartOfHour(TimeUnix), cityHash64(Attributes), TimeUnix)
+TTL toDateTime(TimeUnix) + ${METRICS_TTL}
 SETTINGS ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -169,16 +175,16 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_sum
     `ScopeDroppedAttrCount` UInt32 CODEC(ZSTD(1)),
     `ScopeSchemaUrl` String CODEC(ZSTD(1)),
     `ServiceName` LowCardinality(String) CODEC(ZSTD(1)),
-    `MetricName` String CODEC(ZSTD(1)),
+    `MetricName` LowCardinality(String) CODEC(ZSTD(1)),
     `MetricDescription` String CODEC(ZSTD(1)),
     `MetricUnit` String CODEC(ZSTD(1)),
     `Attributes` Map(LowCardinality(String), String) CODEC(ZSTD(1)),
-    `StartTimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
-    `TimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+    `StartTimeUnix` DateTime CODEC(Delta, ZSTD(1)),
+    `TimeUnix` DateTime CODEC(Delta, ZSTD(1)),
     `Value` Float64 CODEC(ZSTD(1)),
     `Flags` UInt32 CODEC(ZSTD(1)),
     `Exemplars.FilteredAttributes` Array(Map(LowCardinality(String), String)) CODEC(ZSTD(1)),
-    `Exemplars.TimeUnix` Array(DateTime64(9)) CODEC(ZSTD(1)),
+    `Exemplars.TimeUnix` Array(DateTime) CODEC(ZSTD(1)),
     `Exemplars.Value` Array(Float64) CODEC(ZSTD(1)),
     `Exemplars.SpanId` Array(String) CODEC(ZSTD(1)),
     `Exemplars.TraceId` Array(String) CODEC(ZSTD(1)),
@@ -189,12 +195,13 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_sum
     INDEX idx_scope_attr_key mapKeys(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_scope_attr_value mapValues(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_attr_key mapKeys(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1
+    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
+    INDEX idx_time_minmax TimeUnix TYPE minmax GRANULARITY 1
 )
 ENGINE = MergeTree
 PARTITION BY toDate(TimeUnix)
-ORDER BY (ServiceName, MetricName, Attributes, toUnixTimestamp64Nano(TimeUnix))
-TTL toDateTime(TimeUnix) + ${TABLES_TTL}
+ORDER BY (ServiceName, MetricName, toStartOfHour(TimeUnix), cityHash64(Attributes), TimeUnix)
+TTL toDateTime(TimeUnix) + ${METRICS_TTL}
 SETTINGS ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -214,18 +221,18 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_histogram
     `ScopeDroppedAttrCount` UInt32 CODEC(ZSTD(1)),
     `ScopeSchemaUrl` String CODEC(ZSTD(1)),
     `ServiceName` LowCardinality(String) CODEC(ZSTD(1)),
-    `MetricName` String CODEC(ZSTD(1)),
+    `MetricName` LowCardinality(String) CODEC(ZSTD(1)),
     `MetricDescription` String CODEC(ZSTD(1)),
     `MetricUnit` String CODEC(ZSTD(1)),
     `Attributes` Map(LowCardinality(String), String) CODEC(ZSTD(1)),
-    `StartTimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
-    `TimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+    `StartTimeUnix` DateTime CODEC(Delta, ZSTD(1)),
+    `TimeUnix` DateTime CODEC(Delta, ZSTD(1)),
     `Count` UInt64 CODEC(Delta(8), ZSTD(1)),
     `Sum` Float64 CODEC(ZSTD(1)),
     `BucketCounts` Array(UInt64) CODEC(ZSTD(1)),
     `ExplicitBounds` Array(Float64) CODEC(ZSTD(1)),
     `Exemplars.FilteredAttributes` Array(Map(LowCardinality(String), String)) CODEC(ZSTD(1)),
-    `Exemplars.TimeUnix` Array(DateTime64(9)) CODEC(ZSTD(1)),
+    `Exemplars.TimeUnix` Array(DateTime) CODEC(ZSTD(1)),
     `Exemplars.Value` Array(Float64) CODEC(ZSTD(1)),
     `Exemplars.SpanId` Array(String) CODEC(ZSTD(1)),
     `Exemplars.TraceId` Array(String) CODEC(ZSTD(1)),
@@ -238,12 +245,13 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_histogram
     INDEX idx_scope_attr_key mapKeys(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_scope_attr_value mapValues(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_attr_key mapKeys(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1
+    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
+    INDEX idx_time_minmax TimeUnix TYPE minmax GRANULARITY 1
 )
 ENGINE = MergeTree
 PARTITION BY toDate(TimeUnix)
-ORDER BY (ServiceName, MetricName, Attributes, toUnixTimestamp64Nano(TimeUnix))
-TTL toDateTime(TimeUnix) + ${TABLES_TTL}
+ORDER BY (ServiceName, MetricName, toStartOfHour(TimeUnix), cityHash64(Attributes), TimeUnix)
+TTL toDateTime(TimeUnix) + ${METRICS_TTL}
 SETTINGS ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -267,12 +275,12 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_exponential_histogram
     `ScopeDroppedAttrCount` UInt32 CODEC(ZSTD(1)),
     `ScopeSchemaUrl` String CODEC(ZSTD(1)),
     `ServiceName` LowCardinality(String) CODEC(ZSTD(1)),
-    `MetricName` String CODEC(ZSTD(1)),
+    `MetricName` LowCardinality(String) CODEC(ZSTD(1)),
     `MetricDescription` String CODEC(ZSTD(1)),
     `MetricUnit` String CODEC(ZSTD(1)),
     `Attributes` Map(LowCardinality(String), String) CODEC(ZSTD(1)),
-    `StartTimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
-    `TimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+    `StartTimeUnix` DateTime CODEC(Delta, ZSTD(1)),
+    `TimeUnix` DateTime CODEC(Delta, ZSTD(1)),
     `Count` UInt64 CODEC(Delta(8), ZSTD(1)),
     `Sum` Float64 CODEC(ZSTD(1)),
     `Scale` Int32 CODEC(ZSTD(1)),
@@ -282,7 +290,7 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_exponential_histogram
     `NegativeOffset` Int32 CODEC(ZSTD(1)),
     `NegativeBucketCounts` Array(UInt64) CODEC(ZSTD(1)),
     `Exemplars.FilteredAttributes` Array(Map(LowCardinality(String), String)) CODEC(ZSTD(1)),
-    `Exemplars.TimeUnix` Array(DateTime64(9)) CODEC(ZSTD(1)),
+    `Exemplars.TimeUnix` Array(DateTime) CODEC(ZSTD(1)),
     `Exemplars.Value` Array(Float64) CODEC(ZSTD(1)),
     `Exemplars.SpanId` Array(String) CODEC(ZSTD(1)),
     `Exemplars.TraceId` Array(String) CODEC(ZSTD(1)),
@@ -295,12 +303,13 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_exponential_histogram
     INDEX idx_scope_attr_key mapKeys(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_scope_attr_value mapValues(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_attr_key mapKeys(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1
+    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
+    INDEX idx_time_minmax TimeUnix TYPE minmax GRANULARITY 1
 )
 ENGINE = MergeTree
 PARTITION BY toDate(TimeUnix)
-ORDER BY (ServiceName, MetricName, Attributes, toUnixTimestamp64Nano(TimeUnix))
-TTL toDateTime(TimeUnix) + ${TABLES_TTL}
+ORDER BY (ServiceName, MetricName, toStartOfHour(TimeUnix), cityHash64(Attributes), TimeUnix)
+TTL toDateTime(TimeUnix) + ${METRICS_TTL}
 SETTINGS ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -320,12 +329,12 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_summary
     `ScopeDroppedAttrCount` UInt32 CODEC(ZSTD(1)),
     `ScopeSchemaUrl` String CODEC(ZSTD(1)),
     `ServiceName` LowCardinality(String) CODEC(ZSTD(1)),
-    `MetricName` String CODEC(ZSTD(1)),
+    `MetricName` LowCardinality(String) CODEC(ZSTD(1)),
     `MetricDescription` String CODEC(ZSTD(1)),
     `MetricUnit` String CODEC(ZSTD(1)),
     `Attributes` Map(LowCardinality(String), String) CODEC(ZSTD(1)),
-    `StartTimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
-    `TimeUnix` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+    `StartTimeUnix` DateTime CODEC(Delta, ZSTD(1)),
+    `TimeUnix` DateTime CODEC(Delta, ZSTD(1)),
     `Count` UInt64 CODEC(Delta(8), ZSTD(1)),
     `Sum` Float64 CODEC(ZSTD(1)),
     `ValueAtQuantiles.Quantile` Array(Float64) CODEC(ZSTD(1)),
@@ -336,12 +345,13 @@ CREATE TABLE IF NOT EXISTS ${DATABASE}.otel_metrics_summary
     INDEX idx_scope_attr_key mapKeys(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_scope_attr_value mapValues(ScopeAttributes) TYPE bloom_filter(0.01) GRANULARITY 1,
     INDEX idx_attr_key mapKeys(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
-    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1
+    INDEX idx_attr_value mapValues(Attributes) TYPE bloom_filter(0.01) GRANULARITY 1,
+    INDEX idx_time_minmax TimeUnix TYPE minmax GRANULARITY 1
 )
 ENGINE = MergeTree
 PARTITION BY toDate(TimeUnix)
-ORDER BY (ServiceName, MetricName, Attributes, toUnixTimestamp64Nano(TimeUnix))
-TTL toDateTime(TimeUnix) + ${TABLES_TTL}
+ORDER BY (ServiceName, MetricName, toStartOfHour(TimeUnix), cityHash64(Attributes), TimeUnix)
+TTL toDateTime(TimeUnix) + ${METRICS_TTL}
 SETTINGS ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->
@@ -382,7 +392,7 @@ ENGINE = MergeTree
 PARTITION BY toDate(TimestampTime)
 PRIMARY KEY (ServiceName, TimestampTime)
 ORDER BY (ServiceName, TimestampTime, Timestamp)
-TTL TimestampTime + ${TABLES_TTL}
+TTL TimestampTime + ${SESSIONS_TTL}
 SETTINGS index_granularity = 8192, ttl_only_drop_parts = 1;
 ```
 <!--AUTOGENERATED_END-->