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Fix usage

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gaozengqi 2022-01-28 10:52:00 +08:00 committed by Jingyu Zhou
parent 0e6dbf434b
commit a0c0342e76
1 changed files with 7 additions and 0 deletions
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7
fdbserver/fdbserver.actor.cpp
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@ -706,6 +706,13 @@ static void printUsage(const char* name, bool devhelp) {
printOptionUsage("--io-trust-warn-only",
" Instead of failing when an I/O operation exceeds io_trust_seconds, just"
" log a warning to the trace log. Has no effect if io_trust_seconds is unspecified.");
printf("\n"
"The 'kvfiledump' role dump all key-values from kvfile to stdout in binary format:\n"
"{key length}{key binary}{value length}{value binary}, length is 4 bytes int\n"
"(little endianness). This role takes 3 environment variables as parameter:\n"
" - FDB_DUMP_STARTKEY: start key for the dump, default is empty\n"
" - FDB_DUMP_ENDKEY: end key for the dump, default is \"\\xff\\xff\"\n"
" - FDB_DUMP_DEBUG: print key-values to stderr in escaped format\n");
} else {
printOptionUsage("--dev-help", "Display developer-specific help and exit.");
}