db_bench: measure the real latency of write/delete

Summary: as title

Test Plan: make release

Reviewers: haobo, sdong, yhchiang

Reviewed By: yhchiang

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19227
main
Lei Jin 10 years ago
parent 3aae401726
commit 3b0dc76699
  1. 44
      db/db_bench.cc

@ -664,7 +664,7 @@ class Stats {
void SetId(int id) { id_ = id; }
void SetExcludeFromMerge() { exclude_from_merge_ = true; }
void FinishedSingleOp(DB* db) {
void FinishedOps(DB* db, int64_t num_ops) {
if (FLAGS_histogram) {
double now = FLAGS_env->NowMicros();
double micros = now - last_op_finish_;
@ -676,7 +676,7 @@ class Stats {
last_op_finish_ = now;
}
done_++;
done_ += num_ops;
if (done_ >= next_report_) {
if (!FLAGS_stats_interval) {
if (next_report_ < 1000) next_report_ += 100;
@ -722,7 +722,7 @@ class Stats {
void Report(const Slice& name) {
// Pretend at least one op was done in case we are running a benchmark
// that does not call FinishedSingleOp().
// that does not call FinishedOps().
if (done_ < 1) done_ = 1;
std::string extra;
@ -1391,7 +1391,7 @@ class Benchmark {
uint32_t crc = 0;
while (bytes < 500 * 1048576) {
crc = crc32c::Value(data.data(), size);
thread->stats.FinishedSingleOp(nullptr);
thread->stats.FinishedOps(nullptr, 1);
bytes += size;
}
// Print so result is not dead
@ -1410,7 +1410,7 @@ class Benchmark {
unsigned int xxh32 = 0;
while (bytes < 500 * 1048576) {
xxh32 = XXH32(data.data(), size, 0);
thread->stats.FinishedSingleOp(nullptr);
thread->stats.FinishedOps(nullptr, 1);
bytes += size;
}
// Print so result is not dead
@ -1431,7 +1431,7 @@ class Benchmark {
ptr = ap.Acquire_Load();
}
count++;
thread->stats.FinishedSingleOp(nullptr);
thread->stats.FinishedOps(nullptr, 1);
}
if (ptr == nullptr) exit(1); // Disable unused variable warning.
}
@ -1472,7 +1472,7 @@ class Benchmark {
}
produced += compressed.size();
bytes += input.size();
thread->stats.FinishedSingleOp(nullptr);
thread->stats.FinishedOps(nullptr, 1);
}
if (!ok) {
@ -1553,7 +1553,7 @@ class Benchmark {
}
delete[] uncompressed;
bytes += input.size();
thread->stats.FinishedSingleOp(nullptr);
thread->stats.FinishedOps(nullptr, 1);
}
if (!ok) {
@ -1862,9 +1862,9 @@ class Benchmark {
GenerateKeyFromInt(key_gens[id]->Next(), FLAGS_num, &key);
batch.Put(key, gen.Generate(value_size_));
bytes += value_size_ + key_size_;
thread->stats.FinishedSingleOp(db_to_write);
}
s = db_to_write->Write(write_options_, &batch);
thread->stats.FinishedOps(db_to_write, entries_per_batch_);
if (!s.ok()) {
fprintf(stderr, "put error: %s\n", s.ToString().c_str());
exit(1);
@ -1889,7 +1889,7 @@ class Benchmark {
int64_t bytes = 0;
for (iter->SeekToFirst(); i < reads_ && iter->Valid(); iter->Next()) {
bytes += iter->key().size() + iter->value().size();
thread->stats.FinishedSingleOp(db);
thread->stats.FinishedOps(db, 1);
++i;
}
delete iter;
@ -1912,7 +1912,7 @@ class Benchmark {
int64_t bytes = 0;
for (iter->SeekToLast(); i < reads_ && iter->Valid(); iter->Prev()) {
bytes += iter->key().size() + iter->value().size();
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
++i;
}
delete iter;
@ -1935,7 +1935,7 @@ class Benchmark {
if (db->Get(options, key, &value).ok()) {
found++;
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
}
char msg[100];
@ -1995,7 +1995,7 @@ class Benchmark {
DB* db = SelectDB(thread);
Iterator* iter = db->NewIterator(options);
delete iter;
thread->stats.FinishedSingleOp(db);
thread->stats.FinishedOps(db, 1);
}
}
@ -2059,7 +2059,7 @@ class Benchmark {
if (iter_to_use->Valid() && iter_to_use->key().compare(key) == 0) {
found++;
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
}
delete single_iter;
for (auto iter : multi_iters) {
@ -2097,9 +2097,9 @@ class Benchmark {
const int64_t k = seq ? i + j : (thread->rand.Next() % FLAGS_num);
GenerateKeyFromInt(k, FLAGS_num, &key);
batch.Delete(key);
thread->stats.FinishedSingleOp(db);
}
auto s = db->Write(write_options_, &batch);
thread->stats.FinishedOps(db, entries_per_batch_);
if (!s.ok()) {
fprintf(stderr, "del error: %s\n", s.ToString().c_str());
exit(1);
@ -2159,7 +2159,7 @@ class Benchmark {
fprintf(stderr, "put error: %s\n", s.ToString().c_str());
exit(1);
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
++num_writes;
if (writes_per_second_by_10 && num_writes >= writes_per_second_by_10) {
@ -2319,7 +2319,7 @@ class Benchmark {
deletes_done++;
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
}
char msg[100];
snprintf(msg, sizeof(msg),
@ -2377,7 +2377,7 @@ class Benchmark {
put_weight--;
writes_done++;
}
thread->stats.FinishedSingleOp(db);
thread->stats.FinishedOps(db, 1);
}
char msg[100];
snprintf(msg, sizeof(msg), "( reads:%" PRIu64 " writes:%" PRIu64 \
@ -2411,7 +2411,7 @@ class Benchmark {
fprintf(stderr, "put error: %s\n", s.ToString().c_str());
exit(1);
}
thread->stats.FinishedSingleOp(db);
thread->stats.FinishedOps(db, 1);
}
char msg[100];
snprintf(msg, sizeof(msg),
@ -2458,7 +2458,7 @@ class Benchmark {
fprintf(stderr, "put error: %s\n", s.ToString().c_str());
exit(1);
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
}
char msg[100];
@ -2494,7 +2494,7 @@ class Benchmark {
fprintf(stderr, "merge error: %s\n", s.ToString().c_str());
exit(1);
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
}
// Print some statistics
@ -2555,7 +2555,7 @@ class Benchmark {
}
thread->stats.FinishedSingleOp(db_);
thread->stats.FinishedOps(db_, 1);
}
char msg[100];

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