ProfileEvents | Map(String, UInt64) | 7.14 MiB | 232.98 MiB | 32.62 | 571.96 thousand | 427.13 |
| All the profile events captured during this operation. |
query_id | String | 3.47 MiB | 6.79 MiB | 1.96 | 571.96 thousand | 12.45 |
| Identifier of the INSERT query that created this data part. |
part_name | String | 1.66 MiB | 10.49 MiB | 6.33 | 571.96 thousand | 19.23 |
| Name of the data part. |
event_time_microseconds | DateTime64(6) | 1.25 MiB | 4.34 MiB | 3.46 | 571.96 thousand | 7.95 |
| Event time with microseconds precision. |
path_on_disk | String | 1.15 MiB | 23.95 MiB | 20.85 | 571.96 thousand | 43.91 |
| Absolute path to the folder with data part files. |
merged_from | Array(String) | 858.24 KiB | 9.58 MiB | 11.43 | 571.96 thousand | 17.56 |
| An array of the source parts names which the current part was made up from. |
bytes_uncompressed | UInt64 | 846.80 KiB | 4.34 MiB | 5.24 | 571.96 thousand | 7.95 |
| Uncompressed size of the resulting part in bytes. |
size_in_bytes | UInt64 | 845.45 KiB | 4.34 MiB | 5.25 | 571.96 thousand | 7.95 |
| Size of the data part on disk in bytes. |
rows | UInt64 | 510.01 KiB | 4.34 MiB | 8.7 | 571.96 thousand | 7.95 |
| The number of rows in the data part. |
read_bytes | UInt64 | 382.02 KiB | 4.34 MiB | 11.62 | 571.96 thousand | 7.95 |
| The number of bytes was read during the merge. |
peak_memory_usage | UInt64 | 273.99 KiB | 4.34 MiB | 16.2 | 571.96 thousand | 7.95 |
| The maximum amount of used during merge RAM |
read_rows | UInt64 | 266.47 KiB | 4.34 MiB | 16.66 | 571.96 thousand | 7.95 |
| The number of rows was read during the merge. |
event_time | DateTime | 262.28 KiB | 2.17 MiB | 8.46 | 571.96 thousand | 3.97 |
| Event time. |
duration_ms | UInt64 | 215.56 KiB | 4.34 MiB | 20.59 | 571.96 thousand | 7.95 |
| Duration of this operation. |
table | String | 142.16 KiB | 9.86 MiB | 71.03 | 571.96 thousand | 18.08 |
| Name of the table the data part is in. |
part_type | String | 106.50 KiB | 3.96 MiB | 38.07 | 571.96 thousand | 7.26 |
| The type of the part. Possible values: Wide and Compact. |
table_uuid | UUID | 104.01 KiB | 8.67 MiB | 85.36 | 571.96 thousand | 15.9 |
| UUID of the table the data part belongs to. |
partition | String | 95.19 KiB | 1.77 MiB | 19.07 | 571.96 thousand | 3.25 |
| The partition name. |
disk_name | String | 93.22 KiB | 2.44 MiB | 26.79 | 571.96 thousand | 4.47 |
| The disk name data part lies on. |
partition_id | String | 82.97 KiB | 2.87 MiB | 35.42 | 571.96 thousand | 5.26 |
| ID of the partition that the data part was inserted to. The column takes the `all` value if the partitioning is by `tuple()`. |
event_type | Enum8('NewPart' = 1, 'MergeParts' = 2, 'DownloadPart' = 3, 'RemovePart' = 4, 'MutatePart' = 5, 'MovePart' = 6) | 62.43 KiB | 554.91 KiB | 8.89 | 571.96 thousand | 0.99 |
| Type of the event that occurred with the data part. Can have one of the following values: NewPart — Inserting of a new data part, MergeParts — Merging of data parts, DownloadPart — Downloading a data part, RemovePart — Removing or detaching a data part using DETACH PARTITION, MutatePart — Mutating of a data part, MovePart — Moving the data part from the one disk to another one. |
merge_algorithm | Enum8('Undecided' = 0, 'Vertical' = 1, 'Horizontal' = 2) | 52.02 KiB | 554.91 KiB | 10.67 | 571.96 thousand | 0.99 |
| Merge algorithm for the event with type MERGE_PARTS. Can have one of the following values: Undecided, Horizontal, Vertical |
merge_reason | Enum8('NotAMerge' = 1, 'RegularMerge' = 2, 'TTLDeleteMerge' = 3, 'TTLRecompressMerge' = 4) | 50.28 KiB | 554.91 KiB | 11.04 | 571.96 thousand | 0.99 |
| The reason for the event with type MERGE_PARTS. Can have one of the following values: NotAMerge — The current event has the type other than MERGE_PARTS, RegularMerge — Some regular merge, TTLDeleteMerge — Cleaning up expired data. TTLRecompressMerge — Recompressing data part with the. |
database | String | 9.69 KiB | 8.58 MiB | 906 | 571.96 thousand | 15.72 |
| Name of the database the data part is in. |
event_date | Date | 1.24 KiB | 1.08 MiB | 894.85 | 571.96 thousand | 1.99 |
| Event date. |
hostname | LowCardinality(String) | 991.00 B | 556.25 KiB | 574.77 | 571.96 thousand | 1 |
| Hostname of the server executing the query. |
error | UInt16 | 297.00 B | 702.00 B | 2.36 | 571.96 thousand | 0 |
| The error code of the occurred exception. |
exception | String | 297.00 B | 702.00 B | 2.36 | 571.96 thousand | 0 |
| Text message of the occurred error. |