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author | Pieter Wuille <pieter.wuille@gmail.com> | 2017-06-09 19:24:30 -0700 |
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committer | Pieter Wuille <pieter.wuille@gmail.com> | 2017-06-09 19:24:30 -0700 |
commit | cf44e4ca7762742c6c3154447b40869ec9d041db (patch) | |
tree | d5a89851da0a8ab07c40966ac137f4e299c80927 /db/db_bench.cc | |
parent | 634ad517037b319147816f1d112b066528e1724a (diff) | |
download | bitcoin-cf44e4ca7762742c6c3154447b40869ec9d041db.tar.xz |
Squashed 'src/leveldb/' changes from a31c8aa40..196962ff0
196962ff0 Add AcceleratedCRC32C to port_win.h
1bdf1c34c Merge upstream LevelDB v1.20
d31721eb0 Merge #17: Fixed file sharing errors
fecd44902 Fixed file sharing error in Win32Env::GetFileSize(), Win32SequentialFile::_Init(), Win32RandomAccessFile::_Init() Fixed error checking in Win32SequentialFile::_Init()
5b7510f1b Merge #14: Merge upstream LevelDB 1.19
0d969fd57 Merge #16: [LevelDB] Do no crash if filesystem can't fsync
c8c029b5b [LevelDB] Do no crash if filesystem can't fsync
a53934a3a Increase leveldb version to 1.20.
f3f139737 Separate Env tests from PosixEnv tests.
eb4f0972f leveldb: Fix compilation warnings in port_posix_sse.cc on x86 (32-bit).
d0883b600 Fixed path to doc file: index.md.
7fa20948d Convert documentation to markdown.
ea175e28f Implement support for Intel crc32 instruction (SSE 4.2)
95cd743e5 Including <limits> for std::numeric_limits.
646c3588d Limit the number of read-only files the POSIX Env will have open.
d40bc3fa5 Merge #13: Typo
ebbd772d3 Typo
a2fb086d0 Add option for max file size. The currend hard-coded value of 2M is inefficient in colossus.
git-subtree-dir: src/leveldb
git-subtree-split: 196962ff01c39b4705d8117df5c3f8c205349950
Diffstat (limited to 'db/db_bench.cc')
-rw-r--r-- | db/db_bench.cc | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/db/db_bench.cc b/db/db_bench.cc index 7a0f5e08cd..3ad19a512b 100644 --- a/db/db_bench.cc +++ b/db/db_bench.cc @@ -84,6 +84,14 @@ static bool FLAGS_histogram = false; // (initialized to default value by "main") static int FLAGS_write_buffer_size = 0; +// Number of bytes written to each file. +// (initialized to default value by "main") +static int FLAGS_max_file_size = 0; + +// Approximate size of user data packed per block (before compression. +// (initialized to default value by "main") +static int FLAGS_block_size = 0; + // Number of bytes to use as a cache of uncompressed data. // Negative means use default settings. static int FLAGS_cache_size = -1; @@ -109,6 +117,7 @@ static const char* FLAGS_db = NULL; namespace leveldb { namespace { +leveldb::Env* g_env = NULL; // Helper for quickly generating random data. class RandomGenerator { @@ -186,7 +195,7 @@ class Stats { done_ = 0; bytes_ = 0; seconds_ = 0; - start_ = Env::Default()->NowMicros(); + start_ = g_env->NowMicros(); finish_ = start_; message_.clear(); } @@ -204,7 +213,7 @@ class Stats { } void Stop() { - finish_ = Env::Default()->NowMicros(); + finish_ = g_env->NowMicros(); seconds_ = (finish_ - start_) * 1e-6; } @@ -214,7 +223,7 @@ class Stats { void FinishedSingleOp() { if (FLAGS_histogram) { - double now = Env::Default()->NowMicros(); + double now = g_env->NowMicros(); double micros = now - last_op_finish_; hist_.Add(micros); if (micros > 20000) { @@ -404,10 +413,10 @@ class Benchmark { reads_(FLAGS_reads < 0 ? FLAGS_num : FLAGS_reads), heap_counter_(0) { std::vector<std::string> files; - Env::Default()->GetChildren(FLAGS_db, &files); + g_env->GetChildren(FLAGS_db, &files); for (size_t i = 0; i < files.size(); i++) { if (Slice(files[i]).starts_with("heap-")) { - Env::Default()->DeleteFile(std::string(FLAGS_db) + "/" + files[i]); + g_env->DeleteFile(std::string(FLAGS_db) + "/" + files[i]); } } if (!FLAGS_use_existing_db) { @@ -589,7 +598,7 @@ class Benchmark { arg[i].shared = &shared; arg[i].thread = new ThreadState(i); arg[i].thread->shared = &shared; - Env::Default()->StartThread(ThreadBody, &arg[i]); + g_env->StartThread(ThreadBody, &arg[i]); } shared.mu.Lock(); @@ -700,9 +709,12 @@ class Benchmark { void Open() { assert(db_ == NULL); Options options; + options.env = g_env; options.create_if_missing = !FLAGS_use_existing_db; options.block_cache = cache_; options.write_buffer_size = FLAGS_write_buffer_size; + options.max_file_size = FLAGS_max_file_size; + options.block_size = FLAGS_block_size; options.max_open_files = FLAGS_open_files; options.filter_policy = filter_policy_; options.reuse_logs = FLAGS_reuse_logs; @@ -925,7 +937,7 @@ class Benchmark { char fname[100]; snprintf(fname, sizeof(fname), "%s/heap-%04d", FLAGS_db, ++heap_counter_); WritableFile* file; - Status s = Env::Default()->NewWritableFile(fname, &file); + Status s = g_env->NewWritableFile(fname, &file); if (!s.ok()) { fprintf(stderr, "%s\n", s.ToString().c_str()); return; @@ -934,7 +946,7 @@ class Benchmark { delete file; if (!ok) { fprintf(stderr, "heap profiling not supported\n"); - Env::Default()->DeleteFile(fname); + g_env->DeleteFile(fname); } } }; @@ -943,6 +955,8 @@ class Benchmark { int main(int argc, char** argv) { FLAGS_write_buffer_size = leveldb::Options().write_buffer_size; + FLAGS_max_file_size = leveldb::Options().max_file_size; + FLAGS_block_size = leveldb::Options().block_size; FLAGS_open_files = leveldb::Options().max_open_files; std::string default_db_path; @@ -973,6 +987,10 @@ int main(int argc, char** argv) { FLAGS_value_size = n; } else if (sscanf(argv[i], "--write_buffer_size=%d%c", &n, &junk) == 1) { FLAGS_write_buffer_size = n; + } else if (sscanf(argv[i], "--max_file_size=%d%c", &n, &junk) == 1) { + FLAGS_max_file_size = n; + } else if (sscanf(argv[i], "--block_size=%d%c", &n, &junk) == 1) { + FLAGS_block_size = n; } else if (sscanf(argv[i], "--cache_size=%d%c", &n, &junk) == 1) { FLAGS_cache_size = n; } else if (sscanf(argv[i], "--bloom_bits=%d%c", &n, &junk) == 1) { @@ -987,9 +1005,11 @@ int main(int argc, char** argv) { } } + leveldb::g_env = leveldb::Env::Default(); + // Choose a location for the test database if none given with --db=<path> if (FLAGS_db == NULL) { - leveldb::Env::Default()->GetTestDirectory(&default_db_path); + leveldb::g_env->GetTestDirectory(&default_db_path); default_db_path += "/dbbench"; FLAGS_db = default_db_path.c_str(); } |