cqlcopy is a performant replacement for cqlsh's COPY FROM functionality,
used to stream data to Apache Cassandra.
- Compatible with RFC 4180 CSV files. (based on Go's
encoding/csv) - Lightweight, easily does 50k inserts per second.
Known caveats:
- Floating-point numbers not supported yet.
Usage:
cqlcopy write <table> <cols...> [flags]
Flags:
--bool-style string Boolean indicators for true and false (case-insensitive) (default "true,false")
--chunk-size uint Number of items in an import batch (default 1000)
--header First row contains column names
-h, --help help for write
--max-attempts uint Max attempts (Zero means infinite) (default 5)
--max-batch-size uint Maximum size of an import batch in kB (default 20)
--max-insert-errors int32 Maximum number of batch insert errors (Negative value: no maximum) (default -1)
--max-parse-errors int Maximum number of parsing errors (Negative value: no maximum) (default -1)
--null string Special unquoted literal marking a null value (default "NULL")
--num-processes uint Number of worker processes (goroutines) (default 8)
--report-frequency duration Frequency with which status is displayed (default 250ms)
--time-format string Timestamp format (default "2006-01-02 15:04:05-0700")
Global Flags:
-c, --connect strings Node CQL addresses (default [localhost:9042])
-k, --keyspace string Default keyspace