Skip to content

branch-2.1: [improve](move-memtable) reduce flush token num #46001 #46926

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

Merged
liaoxin01 merged 1 commit into from
Jan 14, 2025
Merged

branch-2.1: [improve](move-memtable) reduce flush token num #46001 #46926

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 5 additions & 9 deletions be/src/runtime/load_stream.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ TabletStream::TabletStream(PUniqueId load_id, int64_t id, int64_t txn_id,
_load_id(load_id),
_txn_id(txn_id),
_load_stream_mgr(load_stream_mgr) {
load_stream_mgr->create_tokens(_flush_tokens);
load_stream_mgr->create_token(_flush_token);
_profile = profile->create_child(fmt::format("TabletStream {}", id), true, true);
_append_data_timer = ADD_TIMER(_profile, "AppendDataTime");
_add_segment_timer = ADD_TIMER(_profile, "AddSegmentTime");
Expand Down Expand Up @@ -154,7 +154,6 @@ Status TabletStream::append_data(const PStreamHeader& header, butil::IOBuf* data
LOG(WARNING) << "write data failed " << st << ", " << *this;
}
};
auto& flush_token = _flush_tokens[new_segid % _flush_tokens.size()];
auto load_stream_flush_token_max_tasks = config::load_stream_flush_token_max_tasks;
auto load_stream_max_wait_flush_token_time_ms =
config::load_stream_max_wait_flush_token_time_ms;
Expand All @@ -164,7 +163,7 @@ Status TabletStream::append_data(const PStreamHeader& header, butil::IOBuf* data
});
MonotonicStopWatch timer;
timer.start();
while (flush_token->num_tasks() >= load_stream_flush_token_max_tasks) {
while (_flush_token->num_tasks() >= load_stream_flush_token_max_tasks) {
if (timer.elapsed_time() / 1000 / 1000 >= load_stream_max_wait_flush_token_time_ms) {
_status.update(
Status::Error<true>("wait flush token back pressure time is more than "
Expand All @@ -178,7 +177,7 @@ Status TabletStream::append_data(const PStreamHeader& header, butil::IOBuf* data
int64_t time_ms = timer.elapsed_time() / 1000 / 1000;
g_load_stream_flush_wait_ms << time_ms;
g_load_stream_flush_running_threads << 1;
auto st = flush_token->submit_func(flush_func);
auto st = _flush_token->submit_func(flush_func);
if (!st.ok()) {
_status.update(st);
}
Expand Down Expand Up @@ -230,8 +229,7 @@ Status TabletStream::add_segment(const PStreamHeader& header, butil::IOBuf* data
LOG(INFO) << "add segment failed " << *this;
}
};
auto& flush_token = _flush_tokens[new_segid % _flush_tokens.size()];
auto st = flush_token->submit_func(add_segment_func);
auto st = _flush_token->submit_func(add_segment_func);
if (!st.ok()) {
_status.update(st);
}
Expand Down Expand Up @@ -265,9 +263,7 @@ void TabletStream::pre_close() {

SCOPED_TIMER(_close_wait_timer);
_status.update(_run_in_heavy_work_pool([this]() {
for (auto& token : _flush_tokens) {
token->wait();
}
_flush_token->wait();
return Status::OK();
}));
// it is necessary to check status after wait_func,
Expand Down
2 changes: 1 addition & 1 deletion be/src/runtime/load_stream.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ class TabletStream {

int64_t _id;
LoadStreamWriterSharedPtr _load_stream_writer;
std::vector<std::unique_ptr<ThreadPoolToken>> _flush_tokens;
std::unique_ptr<ThreadPoolToken> _flush_token;
std::unordered_map<int64_t, std::unique_ptr<SegIdMapping>> _segids_mapping;
std::atomic<uint32_t> _next_segid;
int64_t _num_segments = 0;
Expand Down
3 changes: 1 addition & 2 deletions be/src/runtime/load_stream_mgr.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,7 @@

namespace doris {

LoadStreamMgr::LoadStreamMgr(uint32_t segment_file_writer_thread_num)
: _num_threads(segment_file_writer_thread_num) {
LoadStreamMgr::LoadStreamMgr(uint32_t segment_file_writer_thread_num) {
static_cast<void>(ThreadPoolBuilder("SegmentFileWriterThreadPool")
.set_min_threads(segment_file_writer_thread_num)
.set_max_threads(segment_file_writer_thread_num)
Expand Down
9 changes: 2 additions & 7 deletions be/src/runtime/load_stream_mgr.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,11 +39,8 @@ class LoadStreamMgr {

Status open_load_stream(const POpenLoadStreamRequest* request, LoadStream*& load_stream);
void clear_load(UniqueId loadid);
void create_tokens(std::vector<std::unique_ptr<ThreadPoolToken>>& tokens) {
for (int i = 0; i < _num_threads * 2; i++) {
tokens.push_back(
_file_writer_thread_pool->new_token(ThreadPool::ExecutionMode::SERIAL));
}
void create_token(std::unique_ptr<ThreadPoolToken>& token) {
token = _file_writer_thread_pool->new_token(ThreadPool::ExecutionMode::SERIAL);
}

std::vector<std::string> get_all_load_stream_ids() {
Expand All @@ -70,8 +67,6 @@ class LoadStreamMgr {
std::unordered_map<UniqueId, LoadStreamPtr> _load_streams_map;
std::unique_ptr<ThreadPool> _file_writer_thread_pool;

uint32_t _num_threads = 0;

FifoThreadPool* _heavy_work_pool = nullptr;
FifoThreadPool* _light_work_pool = nullptr;
};
Expand Down
Loading