Counting data example
You can use the dsbulk count command to return information about the data in database tables.
Databases supported by DataStax Bulk Loader
DataStax Bulk Loader® supports the use of the dsbulk load, dsbulk unload, and dsbulk count commands with:
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Hyper-Converged Database (HCD) 1.0 databases
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DataStax Enterprise (DSE) 5.1, 6.8, and 6.9 databases
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Apache Cassandra® 2.1 and later databases
dsbulk count example
The following command returns information about the partition data used in the cycling.comments table.
The results are organized as follows:
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Left column: partition key value
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Middle column: number of rows using that partition key value
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Right column: the partition’s percentage of rows compared to the total number of rows that were scanned for this query
dsbulk count -k cycling -t comments --stats.modes partitions --stats.numPartitions 50
Operation directory: /home/automaton/cycling/logs/COUNT_20190424-213840-954894
total | failed | rows/s | mb/s | kb/row | p50ms | p99ms | p999ms
31 | 0 | 74 | 0.00 | 0.02 | 27.59 | 31.33 | 31.33
Operation COUNT_20190424-213840-954894 completed successfully in 2 seconds.
fb372533-eb95-4bb4-8685-6ef61e994caa 5 16.13
8566eb59-07df-43b1-a21b-666a3c08c08a 4 12.90
c7fceba0-c141-4207-9494-a29f9809de6f 4 12.90
e7ae5cf3-d358-4d99-b900-85902fda9bb0 4 12.90
6ab09bec-e68e-48d9-a5f8-97e6fb4c9b47 3 9.68
9011d3be-d35c-4a8d-83f7-a3c543789ee7 2 6.45
95addc4c-459e-4ed7-b4b5-472f19a67995 2 6.45
38ab64b6-26cc-4de9-ab28-c257cf011659 2 6.45
5b6962dd-3f90-4c93-8f61-eabfa4a803e2 1 3.23
c4b65263-fe58-4846-83e8-f0e1c13d518f 1 3.23
e7cd5752-bc0d-4157-a80f-7523add8dbcd 1 3.23
6d5f1663-89c0-45fc-8cfd-60a373b01622 1 3.23
220844bf-4860-49d6-9a4b-6b5d3a79cbfb 1 3.23Additional options are provided with the dsbulk count command.
Refer to Count options.
