diff --git a/internal/chstorage/schema_logs.go b/internal/chstorage/schema_logs.go
index 806aa25d..142b935c 100644
--- a/internal/chstorage/schema_logs.go
+++ b/internal/chstorage/schema_logs.go
@@ -45,8 +45,7 @@ CREATE TABLE IF NOT EXISTS %s
 	INDEX idx_log_attr_value mapValues(attributes) TYPE bloom_filter(0.01) GRANULARITY 1
 )
   ENGINE = MergeTree
-  PRIMARY KEY (severity_number, service_namespace, service_name, toStartOfFiveMinutes(timestamp))
-  ORDER BY (severity_number, service_namespace, service_name, toStartOfFiveMinutes(timestamp), timestamp)
+  PRIMARY KEY (severity_number, service_namespace, service_name, cityHash64(resource), timestamp)
   SETTINGS index_granularity=8192, ttl_only_drop_parts = 1;
 `