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[Rocksdb] Measure all FSYNC/SYNC times

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Summary: Add stop watches around all sync calls.

Test Plan: db_bench check if respective histograms are printed

Reviewers: haobo, dhruba

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D11073
This commit is contained in:
Abhishek Kona
2013-06-05 11:06:21 -07:00
parent ee522d0032
commit d91b42ee27
5 changed files with 22 additions and 1 deletions
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3
db/builder.cc
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@@ -12,6 +12,7 @@
#include "leveldb/db.h"
#include "leveldb/env.h"
#include "leveldb/iterator.h"
#include "util/stop_watch.h"
namespace leveldb {
@@ -147,8 +148,10 @@ Status BuildTable(const std::string& dbname,
// Finish and check for file errors
if (s.ok() && !options.disableDataSync) {
if (options.use_fsync) {
StopWatch sw(env, options.statistics, TABLE_SYNC_MICROS);
s = file->Fsync();
} else {
StopWatch sw(env, options.statistics, TABLE_SYNC_MICROS);
s = file->Sync();
}
}