$ bin/bkperf dlog Commands on evaluating performance of distributedlog library Usage: bkperf dlog [command] [command options] Commands: read Read log records to distributedlog streams write Write log records to distributedlog streams help Display help information about it
$ bin/bkperf dlog write -h Write log records to distributedlog streams Usage: bkperf dlog write [flags] Flags: -a, --ack-quorum-size Ledger ack quorum size -e, --ensemble-size Ledger ensemble size -ln, --log-name Log name or log name pattern if more than 1 log is specified at `--num-logs` -b, --num-bytes Number of bytes to write in total. If 0, it will keep writing -l, --num-logs Number of log streams -n, --num-records Number of records to write in total. If 0, it will keep writing -r, --rate Write rate bytes/s across log streams -rs, --record-size Log record size --threads Number of threads writing -w, --write-quorum-size Ledger write quorum size -h, --help Display help information
Example: write to log stream test-log
at 100mb/second
, using 1-bookie ensemble.
$ bin/bkperf dlog write -w 1 -a 1 -e 1 -r 104857600 --log-name test-log
$ bin/bkperf dlog read -h Read log records from distributedlog streams Usage: bkperf dlog read [flags] Flags: -ln, --log-name Log name or log name pattern if more than 1 log is specified at `--num-logs` -l, --num-logs Number of log streams --threads Number of threads reading -h, --help Display help information
Example: read from log stream test-log-000000
.
$ bin/bkperf dlog read --log-name test-log-000000