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delete get_newest_clog_checkpoint_scn with ObProtectedMemtableMgrHandle lock

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This commit is contained in:
obdev
2024-02-08 05:47:38 +00:00
committed by ob-robot
parent dee39633c7
commit 087b3a9f7a
2 changed files with 24 additions and 28 deletions
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1
src/storage/ob_protected_memtable_mgr_handle.h
View File

@ -166,7 +166,6 @@ public:
DELEGATE_FOR_MEMTABLE_MGR(get_last_frozen_memtable, false);
DELEGATE_FOR_MEMTABLE_MGR(get_memtable_for_replay, false);
DELEGATE_FOR_MEMTABLE_MGR_WITH_CREATE(get_newest_clog_checkpoint_scn);
DELEGATE_FOR_MEMTABLE_MGR_WITH_CREATE(create_memtable);
private:

43
src/storage/ob_storage_table_guard.cpp
View File

@ -210,27 +210,25 @@ int ObStorageTableGuard::refresh_and_protect_memtable()
bool bool_ret = true;
bool for_replace_tablet_meta = false;
const int64_t start = ObTimeUtility::current_time();
ObProtectedMemtableMgrHandle *protected_handle = NULL;
do {
if (OB_FAIL(tablet_->get_boundary_memtable(handle))) {
// if there is no memtable, create a new one
if (OB_ENTRY_NOT_EXIST == ret) {
LOG_DEBUG("there is no boundary memtable", K(ret), K(ls_id), K(tablet_id));
if (OB_FAIL(tablet_->get_protected_memtable_mgr_handle(protected_handle))) {
LOG_WARN("failed to get_protected_memtable_mgr_handle", K(ret), KPC(tablet_));
} else if (OB_FAIL(protected_handle->get_newest_clog_checkpoint_scn(
tablet_->get_tablet_meta(), clog_checkpoint_scn))) {
LOG_WARN("fail to get newest clog_checkpoint_scn", K(ret), K(ls_id), K(tablet_id));
} else if (replay_scn_ > clog_checkpoint_scn) {
// TODO: get the newest schema_version from tablet
ObLSHandle ls_handle;
ObTabletHandle tmp_handle;
if (OB_FAIL(MTL(ObLSService *)->get_ls(ls_id, ls_handle, ObLSGetMod::STORAGE_MOD))) {
LOG_WARN("failed to get log stream", K(ret), K(ls_id), K(tablet_id));
} else if (OB_UNLIKELY(!ls_handle.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected error, invalid ls handle", K(ret), K(ls_handle), K(ls_id), K(tablet_id));
} else if (OB_FAIL(ls_handle.get_ls()->get_tablet_svr()->create_memtable(
} else if (OB_FAIL(ls_handle.get_ls()->get_tablet_svr()->get_tablet(tablet_id,
tmp_handle, 0, ObMDSGetTabletMode::READ_WITHOUT_CHECK))) {
LOG_WARN("fail to get tablet", K(ret), K(ls_id), K(tablet_id));
} else if (FALSE_IT(clog_checkpoint_scn = tmp_handle.get_obj()->get_tablet_meta().clog_checkpoint_scn_)) {
} else if (replay_scn_ > clog_checkpoint_scn) {
// TODO: get the newest schema_version from tablet
if (OB_FAIL(ls_handle.get_ls()->get_tablet_svr()->create_memtable(
tablet_id, 0/*schema version*/, for_replay_, clog_checkpoint_scn))) {
LOG_WARN("fail to create a boundary memtable", K(ret), K(ls_id), K(tablet_id));
}
@ -361,16 +359,21 @@ int ObStorageTableGuard::check_freeze_to_inc_write_ref(ObITable *table, bool &bo
// need to create a new memtable
// TODO: allow to write frozen memtables except for the boundary one when replaying
const int64_t write_ref = memtable->get_write_ref();
ObProtectedMemtableMgrHandle *protected_handle = NULL;
if (0 == write_ref) {
SCN clog_checkpoint_scn;
bool need_create_memtable = true;
SCN migration_clog_checkpoint_scn;
if (OB_FAIL(tablet_->get_protected_memtable_mgr_handle(protected_handle))) {
LOG_WARN("failed to get_protected_memtable_mgr_handle", K(ret), KPC(tablet_));
} else if (OB_FAIL(protected_handle->get_newest_clog_checkpoint_scn(
tablet_->get_tablet_meta(), clog_checkpoint_scn))) {
LOG_WARN("failed to get newest clog_checkpoint_scn", K(ret), K(ls_id), K(tablet_id), K(clog_checkpoint_scn));
ObTabletHandle tmp_handle;
ObLSHandle ls_handle;
if (OB_FAIL(MTL(ObLSService *)->get_ls(ls_id, ls_handle, ObLSGetMod::STORAGE_MOD))) {
LOG_WARN("failed to get log stream", K(ret), K(bool_ret), K(ls_id), K(tablet_id));
} else if (OB_UNLIKELY(!ls_handle.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected error, invalid ls handle", K(ret), K(bool_ret), K(ls_handle), K(ls_id), K(tablet_id));
} else if (OB_FAIL(ls_handle.get_ls()->get_tablet_svr()->get_tablet(tablet_id,
tmp_handle, 0, ObMDSGetTabletMode::READ_WITHOUT_CHECK))) {
LOG_WARN("fail to get tablet", K(ret), K(ls_id), K(tablet_id));
} else if (FALSE_IT(clog_checkpoint_scn = tmp_handle.get_obj()->get_tablet_meta().clog_checkpoint_scn_)) {
} else if (FALSE_IT(migration_clog_checkpoint_scn = static_cast<memtable::ObMemtable *>(memtable)->get_migration_clog_checkpoint_scn())) {
} else if (for_replay_ && !migration_clog_checkpoint_scn.is_min()) {
static_cast<memtable::ObMemtable *>(memtable)->resolve_right_boundary();
@ -383,13 +386,7 @@ int ObStorageTableGuard::check_freeze_to_inc_write_ref(ObITable *table, bool &bo
// create a new memtable if no write in the old memtable
if (OB_FAIL(ret)) {
} else if (need_create_memtable) {
ObLSHandle ls_handle;
if (OB_FAIL(MTL(ObLSService *)->get_ls(ls_id, ls_handle, ObLSGetMod::STORAGE_MOD))) {
LOG_WARN("failed to get log stream", K(ret), K(bool_ret), K(ls_id), K(tablet_id));
} else if (OB_UNLIKELY(!ls_handle.is_valid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected error, invalid ls handle", K(ret), K(bool_ret), K(ls_handle), K(ls_id), K(tablet_id));
} else if (OB_FAIL(ls_handle.get_ls()->get_tablet_svr()->create_memtable(tablet_id,
if (OB_FAIL(ls_handle.get_ls()->get_tablet_svr()->create_memtable(tablet_id,
memtable->get_max_schema_version()/*schema version*/,
for_replay_,
clog_checkpoint_scn))) {