{"columns":[{"name":"id","type":"binary"},{"name":"parent_id","type":"binary"},{"name":"trace_id","type":"binary"},{"name":"name","type":"string"},{"name":"start_timestamp_micros","type":"int64"},{"name":"duration_micros","type":"int64"},{"name":"tags","type":"list<tags: struct<key: string, v_type: binary, v_str: string, v_bool: bool, v_int64: int64, v_float64: double, v_binary: binary> not null>"}],"n_rows":2,"rows_kept":2,"cut":false,"text_format":"parquet-jsonl-2026-10-02","bounds":{"document_bytes":16777216,"package_text_limit_bytes":33554432,"package_text_slack_bytes":1024,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096,"vector_min":64,"vector_head_fixed":16,"vector_head_variable":64,"kv_value_chars":1048576,"nesting_max":64,"binary_text":true},"cells_cut":0,"cells_bad_utf8":0,"cells_raw":0,"cells_binary":38,"cells_binary_text":38,"cells_vector":0,"n_row_groups":1,"reader":"pyarrow 23.0.1, python 3.13","created_by":"parquet-mr version 1.12.2 (build 77e30c8093386ec52c3cfa6c34b7ef3321322c94)","schema":{"fields":[{"name":"id","type":"binary","nullable":true,"metadata":[["PARQUET:field_id","1"]],"children":null},{"name":"parent_id","type":"binary","nullable":true,"metadata":[["PARQUET:field_id","2"]],"children":null},{"name":"trace_id","type":"binary","nullable":true,"metadata":[["PARQUET:field_id","3"]],"children":null},{"name":"name","type":"string","nullable":true,"metadata":[["PARQUET:field_id","4"]],"children":null},{"name":"start_timestamp_micros","type":"int64","nullable":true,"metadata":[["PARQUET:field_id","5"]],"children":null},{"name":"duration_micros","type":"int64","nullable":true,"metadata":[["PARQUET:field_id","6"]],"children":null},{"name":"tags","type":"list<tags: struct<key: string, v_type: binary, v_str: string, v_bool: bool, v_int64: int64, v_float64: double, v_binary: binary> not null>","nullable":false,"metadata":[["PARQUET:field_id","7"]],"children":[{"name":"tags","type":"struct<key: string, v_type: binary, v_str: string, v_bool: bool, v_int64: int64, v_float64: double, v_binary: binary>","nullable":false,"metadata":[["PARQUET:field_id","7"]],"children":[{"name":"key","type":"string","nullable":true,"metadata":[["PARQUET:field_id","1"]],"children":null},{"name":"v_type","type":"binary","nullable":true,"metadata":[["PARQUET:field_id","2"]],"children":null},{"name":"v_str","type":"string","nullable":true,"metadata":[["PARQUET:field_id","3"]],"children":null},{"name":"v_bool","type":"bool","nullable":true,"metadata":[["PARQUET:field_id","4"]],"children":null},{"name":"v_int64","type":"int64","nullable":true,"metadata":[["PARQUET:field_id","5"]],"children":null},{"name":"v_float64","type":"double","nullable":true,"metadata":[["PARQUET:field_id","6"]],"children":null},{"name":"v_binary","type":"binary","nullable":true,"metadata":[["PARQUET:field_id","7"]],"children":null}]}]}],"parquet":"required group field_id=-1 trace.Span {\n  optional binary field_id=1 id;\n  optional binary field_id=2 parent_id;\n  optional binary field_id=3 trace_id;\n  optional binary field_id=4 name (String);\n  optional int64 field_id=5 start_timestamp_micros;\n  optional int64 field_id=6 duration_micros;\n  repeated group field_id=7 tags {\n    optional binary field_id=1 key (String);\n    optional binary field_id=2 v_type (Enum);\n    optional binary field_id=3 v_str (String);\n    optional boolean field_id=4 v_bool;\n    optional int64 field_id=5 v_int64;\n    optional double field_id=6 v_float64;\n    optional binary field_id=7 v_binary;\n  }\n}\n"},"kv_metadata":[["parquet.proto.enum.trace.ValueType","INT64:2,BOOL:1,FLOAT64:3,BINARY:4,STRING:0"],["parquet.proto.class","com.slack.service.murron.trace.Trace$Span"],["writer.model.name","protobuf"],["parquet.proto.writeSpecsCompliant","false"],["parquet.proto.descriptor","name: \"Span\"\nfield {\n  name: \"id\"\n  number: 1\n  label: LABEL_OPTIONAL\n  type: TYPE_BYTES\n}\nfield {\n  name: \"parent_id\"\n  number: 2\n  label: LABEL_OPTIONAL\n  type: TYPE_BYTES\n}\nfield {\n  name: \"trace_id\"\n  number: 3\n  label: LABEL_OPTIONAL\n  type: TYPE_BYTES\n}\nfield {\n  name: \"name\"\n  number: 4\n  label: LABEL_OPTIONAL\n  type: TYPE_STRING\n}\nfield {\n  name: \"start_timestamp_micros\"\n  number: 5\n  label: LABEL_OPTIONAL\n  type: TYPE_FIXED64\n}\nfield {\n  name: \"duration_micros\"\n  number: 6\n  label: LABEL_OPTIONAL\n  type: TYPE_UINT64\n}\nfield {\n  name: \"tags\"\n  number: 7\n  label: LABEL_REPEATED\n  type: TYPE_MESSAGE\n  type_name: \".trace.KeyValue\"\n}\n"]]}
["1","0","t1","test_span",1612550512340953,500000,[{"key":"service_name","v_type":"STRING","v_str":"test_service","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"http_method","v_type":"STRING","v_str":"POST","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"method","v_type":"STRING","v_str":"callbacks.flannel","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"boolean","v_type":"BOOL","v_str":"","v_bool":true,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"int","v_type":"INT64","v_str":"","v_bool":false,"v_int64":1000,"v_float64":1001.2,"v_binary":""},{"key":"float","v_type":"FLOAT64","v_str":"","v_bool":false,"v_int64":1000,"v_float64":1001.2,"v_binary":""},{"key":"binary","v_type":"BINARY","v_str":"ignored","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":"binaryTagValue"},{"key":"type","v_type":"STRING","v_str":"msg_type","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""}]]
["2","1","t1","test_span",1612550512340954,500001,[{"key":"service_name","v_type":"STRING","v_str":"test_service","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"http_method","v_type":"STRING","v_str":"POST","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"method","v_type":"STRING","v_str":"callbacks.flannel","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"boolean","v_type":"BOOL","v_str":"","v_bool":true,"v_int64":0,"v_float64":0.0,"v_binary":""},{"key":"int","v_type":"INT64","v_str":"","v_bool":false,"v_int64":1000,"v_float64":1001.2,"v_binary":""},{"key":"float","v_type":"FLOAT64","v_str":"","v_bool":false,"v_int64":1000,"v_float64":1001.2,"v_binary":""},{"key":"binary","v_type":"BINARY","v_str":"ignored","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":"binaryTagValue"},{"key":"type","v_type":"STRING","v_str":"msg_type","v_bool":false,"v_int64":0,"v_float64":0.0,"v_binary":""}]]