redis-benchmark: add documentation for the amount of clients needed (#12372)

In cluster mode, we need more clients than the number of nodes.
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Job Henandez Lara 2023-07-05 00:27:14 -07:00 committed by GitHub
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@ -1614,7 +1614,9 @@ usage:
" -a <password> Password for Redis Auth\n"
" --user <username> Used to send ACL style 'AUTH username pass'. Needs -a.\n"
" -u <uri> Server URI.\n"
" -c <clients> Number of parallel connections (default 50)\n"
" -c <clients> Number of parallel connections (default 50).\n"
" Note: If --cluster is used then number of clients has to be\n"
" the same or higher than the number of nodes.\n"
" -n <requests> Total number of requests (default 100000)\n"
" -d <size> Data size of SET/GET value in bytes (default 3)\n"
" --dbnum <db> SELECT the specified db number (default 0)\n"