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db_bench: sanity check on compression ratio 

Summary: as requested by mark

Test Plan: make release

Reviewers: sdong, haobo

Reviewed By: haobo

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19221
This commit is contained in:
Lei Jin 2014-06-23 10:46:16 -07:00
parent 403636842a
commit a1b5650a75
1 changed files with 12 additions and 0 deletions
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12
db/db_bench.cc
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@ -837,6 +837,15 @@ class Benchmark {
int64_t writes_;
int64_t readwrites_;
int64_t merge_keys_;
bool SanityCheck() {
if (FLAGS_compression_ratio > 1) {
fprintf(stderr, "compression_ratio should be between 0 and 1\n");
return false;
}
return true;
}
void PrintHeader() {
PrintEnvironment();
fprintf(stdout, "Keys: %d bytes each\n", FLAGS_key_size);
@ -1116,6 +1125,9 @@ class Benchmark {
}
void Run() {
if (!SanityCheck()) {
exit(1);
}
PrintHeader();
Open();
const char* benchmarks = FLAGS_benchmarks.c_str();