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optimize lock for slog_check

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obdev
2023-08-17 11:57:22 +00:00
committed by ob-robot
parent a29d442812
commit b95e9ee640
3 changed files with 8 additions and 9 deletions
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11
src/storage/slog_ckpt/ob_tenant_checkpoint_slog_handler.cpp
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@ -234,7 +234,7 @@ ObTenantCheckpointSlogHandler::ObTenantCheckpointSlogHandler()
finished_replay_tablet_cnt_(0),
replay_create_tablet_errcode_(OB_SUCCESS),
lock_(common::ObLatchIds::SLOG_CKPT_LOCK),
mutex_(),
slog_check_lock_(common::ObLatchIds::SLOG_CKPT_LOCK),
tablet_key_set_(),
is_copying_tablets_(false),
ckpt_cursor_(),
@ -587,7 +587,7 @@ int ObTenantCheckpointSlogHandler::read_from_share_blk(
int ret = OB_SUCCESS;
ObSharedBlockReadHandle read_handle;
ObSharedBlockReadInfo read_info;
read_info.io_desc_.set_wait_event(ObWaitEventIds::SLOG_CKPT_LOCK_WAIT);
read_info.io_desc_.set_wait_event(ObWaitEventIds::DB_FILE_DATA_READ);
read_info.addr_ = addr;
if (OB_FAIL(shared_block_rwriter_.async_read(read_info, read_handle))) {
LOG_WARN("fail to read tablet from macro block", K(ret), K(read_info));
@ -852,7 +852,7 @@ int ObTenantCheckpointSlogHandler::report_slog(
int64_t file_id;
int64_t offset;
int64_t size;
lib::ObMutexGuard guard(mutex_);
TCRLockGuard guard(slog_check_lock_);
if (is_copying_tablets_) {
if (OB_UNLIKELY(!ckpt_cursor_.is_valid())) {
LOG_WARN("checkpoint cursor is invalid", K(ret), K(ckpt_cursor_));
@ -880,7 +880,6 @@ int ObTenantCheckpointSlogHandler::check_slog(const ObTabletMapKey &tablet_key,
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tablet key is invalid", K(ret), K(tablet_key));
} else {
lib::ObMutexGuard guard(mutex_);
int tmp_ret = tablet_key_set_.exist_refactored(tablet_key);
if (OB_HASH_EXIST == tmp_ret) {
has_slog = true;
@ -996,7 +995,7 @@ int ObTenantCheckpointSlogHandler::write_checkpoint(bool is_force)
int ObTenantCheckpointSlogHandler::get_cur_cursor()
{
int ret = OB_SUCCESS;
lib::ObMutexGuard guard(mutex_);
TCWLockGuard guard(slog_check_lock_);
tablet_key_set_.destroy();
if (OB_FAIL(MTL(ObStorageLogger *)->get_active_cursor(ckpt_cursor_))) {
LOG_WARN("fail to get current cursor", K(ret));
@ -1010,7 +1009,7 @@ int ObTenantCheckpointSlogHandler::get_cur_cursor()
void ObTenantCheckpointSlogHandler::clean_copy_status()
{
lib::ObMutexGuard guard(mutex_);
TCWLockGuard guard(slog_check_lock_);
is_copying_tablets_ = false;
tablet_key_set_.destroy();
}

2
src/storage/slog_ckpt/ob_tenant_checkpoint_slog_handler.h
View File

@ -225,7 +225,7 @@ private:
int64_t finished_replay_tablet_cnt_;
int replay_create_tablet_errcode_;
common::TCRWLock lock_; // protect block_handle
lib::ObMutex mutex_;
common::TCRWLock slog_check_lock_; // protect is_copying_tablets_
common::hash::ObHashSet<ObTabletMapKey> tablet_key_set_;
bool is_copying_tablets_;
ObLogCursor ckpt_cursor_;

4
src/storage/slog_ckpt/ob_tenant_storage_checkpoint_writer.cpp
View File

@ -421,7 +421,7 @@ int ObTenantStorageCheckpointWriter::do_rollback(
char *buf = nullptr;
int64_t pos = 0;
read_info.addr_ = load_addr;
read_info.io_desc_.set_wait_event(ObWaitEventIds::SLOG_CKPT_LOCK_WAIT);
read_info.io_desc_.set_wait_event(ObWaitEventIds::DB_FILE_DATA_READ);
if (OB_FAIL(ObSharedBlockReaderWriter::async_read(read_info, block_handle))) {
LOG_WARN("fail to read tablet buf from macro block", K(ret), K(read_info));
@ -451,7 +451,7 @@ int ObTenantStorageCheckpointWriter::get_tablet_with_addr(
char *buf = nullptr;
int64_t pos = 0;
read_info.addr_ = addr_info.new_addr_;
read_info.io_desc_.set_wait_event(ObWaitEventIds::SLOG_CKPT_LOCK_WAIT);
read_info.io_desc_.set_wait_event(ObWaitEventIds::DB_FILE_DATA_READ);
do {
ObArenaAllocator allocator("SlogCkptWriter");