Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

fix DBTest.AutomaticConflictsWithManualCompaction #3375

Closed
wants to merge 2 commits into from
Closed

fix DBTest.AutomaticConflictsWithManualCompaction #3375

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
0166eda
fix DBTest.AutomaticConflictsWithManualCompaction
ajkr Jan 17, 2018
9652218
delete broken test
ajkr Jan 17, 2018
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
1 change: 1 addition & 0 deletions db/db_impl_compaction_flush.cc
View file
Open in desktop
Expand Up @@ -1060,6 +1060,7 @@ void DBImpl::MaybeScheduleFlushOrCompaction() {
if (HasExclusiveManualCompaction()) {
// only manual compactions are allowed to run. don't schedule automatic
// compactions
TEST_SYNC_POINT("DBImpl::MaybeScheduleFlushOrCompaction:Conflict");
return;
}

Expand Down
58 changes: 42 additions & 16 deletions db/db_test.cc
View file
Open in desktop
Expand Up @@ -5083,33 +5083,59 @@ TEST_F(DBTest, CompactRangeWithEmptyBottomLevel) {
#endif // ROCKSDB_LITE

TEST_F(DBTest, AutomaticConflictsWithManualCompaction) {
const int kNumL0Files = 50;
Options options = CurrentOptions();
options.write_buffer_size = 2 * 1024 * 1024; // 2MB
options.max_bytes_for_level_base = 2 * 1024 * 1024; // 2MB
options.num_levels = 12;
options.level0_file_num_compaction_trigger = 4;
// never slowdown / stop
options.level0_slowdown_writes_trigger = 999999;
options.level0_stop_writes_trigger = 999999;
options.max_background_compactions = 10;
options.max_bytes_for_level_multiplier = 2;
options.level_compaction_dynamic_level_bytes = true;
DestroyAndReopen(options);

Random rnd(301);
for (int i = 0; i < 300000; ++i) {
ASSERT_OK(Put(Key(i), RandomString(&rnd, 1024)));
}

// schedule automatic compactions after the manual one starts, but before it
// finishes to ensure conflict.
rocksdb::SyncPoint::GetInstance()->LoadDependency(
{{"DBImpl::BackgroundCompaction:Start",
"DBTest::AutomaticConflictsWithManualCompaction:PrePuts"},
{"DBTest::AutomaticConflictsWithManualCompaction:PostPuts",
"DBImpl::BackgroundCompaction:NonTrivial:AfterRun"}});
std::atomic<int> callback_count(0);
rocksdb::SyncPoint::GetInstance()->SetCallBack(
"DBImpl::BackgroundCompaction()::Conflict",
"DBImpl::MaybeScheduleFlushOrCompaction:Conflict",
[&](void* arg) { callback_count.fetch_add(1); });
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
CompactRangeOptions croptions;
croptions.exclusive_manual_compaction = true;
ASSERT_OK(db_->CompactRange(croptions, nullptr, nullptr));

Random rnd(301);
for (int i = 0; i < 2; ++i) {
// put two keys to ensure no trivial move
for (int j = 0; j < 2; ++j) {
ASSERT_OK(Put(Key(j), RandomString(&rnd, 1024)));
}
ASSERT_OK(Flush());
}
std::thread manual_compaction_thread([this]() {
CompactRangeOptions croptions;
croptions.exclusive_manual_compaction = true;
ASSERT_OK(db_->CompactRange(croptions, nullptr, nullptr));
});

TEST_SYNC_POINT("DBTest::AutomaticConflictsWithManualCompaction:PrePuts");
for (int i = 0; i < kNumL0Files; ++i) {
// put two keys to ensure no trivial move
for (int j = 0; j < 2; ++j) {
ASSERT_OK(Put(Key(j), RandomString(&rnd, 1024)));
}
ASSERT_OK(Flush());
}
TEST_SYNC_POINT("DBTest::AutomaticConflictsWithManualCompaction:PostPuts");

ASSERT_GE(callback_count.load(), 1);
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
for (int i = 0; i < 300000; ++i) {
for (int i = 0; i < 2; ++i) {
ASSERT_NE("NOT_FOUND", Get(Key(i)));
}
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
manual_compaction_thread.join();
dbfull()->TEST_WaitForCompact();
}

// Github issue #595
Expand Down