Add 'adaptive_readahead' and 'async_io' options to db_stress (#9750)

Summary:
Same as title

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9750

Test Plan:
export CRASH_TEST_EXT_ARGS=" --async_io=1 --adaptive_readahead=1;
make -j crash_test

Reviewed By: jay-zhuang

Differential Revision: D35114326

Pulled By: akankshamahajan15

fbshipit-source-id: 8b05c95be09f7aff6cb9eb757aa20a6520349d45
This commit is contained in:
Akanksha Mahajan 2022-03-30 13:52:37 -07:00 committed by Facebook GitHub Bot
parent 60106b91ac
commit fd66005628
4 changed files with 14 additions and 0 deletions

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@ -282,6 +282,9 @@ DECLARE_uint64(wp_snapshot_cache_bits);
DECLARE_uint64(wp_commit_cache_bits);
#endif // !ROCKSDB_LITE
DECLARE_bool(adaptive_readahead);
DECLARE_bool(async_io);
constexpr long KB = 1024;
constexpr int kRandomValueMaxFactor = 3;
constexpr int kValueMaxLen = 100;

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@ -912,4 +912,11 @@ DEFINE_uint64(wp_commit_cache_bits, 23ull,
"commit cache. Default: 23 (8M entries)");
#endif // !ROCKSDB_LITE
DEFINE_bool(adaptive_readahead, false,
"Carry forward internal auto readahead size from one file to next "
"file at each level during iteration");
DEFINE_bool(
async_io, false,
"Does asynchronous prefetching when internal auto readahead is enabled");
#endif // GFLAGS

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@ -645,6 +645,8 @@ void StressTest::OperateDb(ThreadState* thread) {
ReadOptions read_opts(FLAGS_verify_checksum, true);
read_opts.rate_limiter_priority =
FLAGS_rate_limit_user_ops ? Env::IO_USER : Env::IO_TOTAL;
read_opts.async_io = FLAGS_async_io;
read_opts.adaptive_readahead = FLAGS_adaptive_readahead;
WriteOptions write_opts;
if (FLAGS_rate_limit_auto_wal_flush) {
write_opts.rate_limiter_priority = Env::IO_USER;

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@ -163,6 +163,8 @@ default_params = {
"memtable_prefix_bloom_size_ratio": lambda: random.choice([0.001, 0.01, 0.1, 0.5]),
"memtable_whole_key_filtering": lambda: random.randint(0, 1),
"detect_filter_construct_corruption": lambda: random.choice([0, 1]),
"adaptive_readahead": lambda: random.choice([0, 1]),
"async_io": lambda: random.choice([0, 1]),
}
_TEST_DIR_ENV_VAR = 'TEST_TMPDIR'