| id | UInt64 | 45.66 MiB | 162.45 MiB | 3.56 | 21.29 million | 8 | | ID of processor. |
| query_id | String | 38.85 MiB | 751.33 MiB | 19.34 | 21.29 million | 37 | | ID of the query. |
| initial_query_id | String | 38.85 MiB | 751.33 MiB | 19.34 | 21.29 million | 37 | | ID of the initial query (for distributed query execution). |
| parent_ids | Array(UInt64) | 37.88 MiB | 310.25 MiB | 8.19 | 21.29 million | 15.28 | | Parent processors IDs. |
| elapsed_us | UInt64 | 26.43 MiB | 162.45 MiB | 6.15 | 21.29 million | 8 | | Number of microseconds this processor was executed. |
| input_wait_elapsed_us | UInt64 | 20.11 MiB | 162.45 MiB | 8.08 | 21.29 million | 8 | | Number of microseconds this processor was waiting for data (from other processor). |
| output_wait_elapsed_us | UInt64 | 18.05 MiB | 162.45 MiB | 9 | 21.29 million | 8 | | Number of microseconds this processor was waiting because output port was full. |
| plan_step | UInt64 | 15.95 MiB | 162.45 MiB | 10.19 | 21.29 million | 8 | | ID of the query plan step which created this processor. The value is zero if the processor was not added from any step. |
| processor_uniq_id | String | 14.20 MiB | 638.37 MiB | 44.95 | 21.29 million | 31.44 | | The uniq processor id in pipeline. |
| output_bytes | UInt64 | 13.52 MiB | 162.45 MiB | 12.02 | 21.29 million | 8 | | The number of bytes generated by processor. |
| input_bytes | UInt64 | 13.01 MiB | 162.45 MiB | 12.48 | 21.29 million | 8 | | The number of bytes consumed by processor. |
| input_rows | UInt64 | 8.00 MiB | 162.45 MiB | 20.31 | 21.29 million | 8 | | The number of rows consumed by processor. |
| output_rows | UInt64 | 7.99 MiB | 162.45 MiB | 20.33 | 21.29 million | 8 | | The number of rows generated by processor. |
| event_time_microseconds | DateTime64(6) | 6.57 MiB | 162.45 MiB | 24.72 | 21.29 million | 8 | | The date and time with microseconds precision when the event happened. |
| step_uniq_id | String | 4.92 MiB | 158.48 MiB | 32.24 | 21.29 million | 7.8 | | The uniq step id in plan. |
| plan_step_description | String | 4.84 MiB | 203.30 MiB | 42.02 | 21.29 million | 10.01 | | Description of the query plan step which created this processor. The value is empty if the processor was not added from any step. |
| plan_step_name | String | 4.34 MiB | 139.53 MiB | 32.13 | 21.29 million | 6.87 | | Name of the query plan step which created this processor. The value is empty if the processor was not added from any step. |
| name | LowCardinality(String) | 2.42 MiB | 20.38 MiB | 8.41 | 21.29 million | 1 | | Name of the processor. |
| event_time | DateTime | 572.17 KiB | 81.23 MiB | 145.37 | 21.29 million | 4 | | The date and time when the event happened. |
| hostname | LowCardinality(String) | 38.92 KiB | 20.38 MiB | 536.05 | 21.29 million | 1 | | Hostname of the server executing the query. |
| event_date | Date | 28.18 KiB | 40.61 MiB | 1475.64 | 21.29 million | 2 | | The date when the event happened. |
| plan_group | UInt64 | 5.48 KiB | 39.83 KiB | 7.27 | 21.29 million | 0 | | Group of the processor if it was created by query plan step. A group is a logical partitioning of processors added from the same query plan step. Group is used only for beautifying the result of EXPLAIN PIPELINE result. |
