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[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

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This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions
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61
src/logservice/palf/palf_env_impl.cpp
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@ -718,14 +718,9 @@ int PalfEnvImpl::try_recycle_blocks()
}
}
// step3. notify each palf instance stop writing when reach limit usage threshold.
// step3. reset diskspace_enough_.
if (diskspace_enough_ != curr_diskspace_enough) {
if (OB_FAIL(notify_diskspace_enough_(curr_diskspace_enough))) {
PALF_LOG(WARN, "notify_diskspace_enough_ failed", K(ret), KPC(this),
K(usable_disk_limit_size_to_stop_writing), K(total_used_size_byte));
} else {
diskspace_enough_ = curr_diskspace_enough;
}
ATOMIC_STORE(&diskspace_enough_, curr_diskspace_enough);
}
if ((true == need_recycle && false == has_recycled && false == is_shrinking) || false == diskspace_enough_) {
PALF_LOG(ERROR, "clog disk space is almost full",
@ -747,26 +742,7 @@ int PalfEnvImpl::try_recycle_blocks()
bool PalfEnvImpl::check_disk_space_enough()
{
int ret = OB_SUCCESS;
bool bool_ret = true;
int64_t total_used_disk_space = 0;
int64_t total_size_byte = 0;
if (OB_FAIL(get_disk_usage(total_used_disk_space, total_size_byte))) {
PALF_LOG(WARN, "get_disk_usage failed", K(ret), KPC(this));
} else {
PalfDiskOptions disk_opts_for_stopping_writing;
PalfDiskOptions disk_opts_for_recycling_blocks;
PalfDiskOptionsWrapper::Status status = PalfDiskOptionsWrapper::Status::INVALID_STATUS;
disk_options_wrapper_.get_disk_opts(disk_opts_for_stopping_writing,
disk_opts_for_recycling_blocks,
status);
const int64_t usable_limit_disk_size =
total_size_byte * disk_opts_for_stopping_writing.log_disk_utilization_limit_threshold_ / 100LL;
if (usable_limit_disk_size < total_used_disk_space) {
bool_ret = false;
}
}
return bool_ret;
return true == ATOMIC_LOAD(&diskspace_enough_);
}
// TODO by yunlong
@ -803,25 +779,6 @@ bool PalfEnvImpl::GetTotalUsedDiskSpace::operator() (const LSKey &ls_key, PalfHa
return bool_ret;
}
PalfEnvImpl::NotifyDiskEnough::NotifyDiskEnough(const bool diskspace_enough)
: diskspace_enough_(diskspace_enough),
ret_code_(OB_SUCCESS) {}
PalfEnvImpl::NotifyDiskEnough::~NotifyDiskEnough() {}
bool PalfEnvImpl::NotifyDiskEnough::operator()(const LSKey &palf_id, PalfHandleImpl *palf_handle_impl)
{
bool bool_ret = true;
if (NULL == palf_handle_impl) {
ret_code_ = OB_ERR_UNEXPECTED;
bool_ret = false;
} else {
(void) palf_handle_impl->set_diskspace_enough(diskspace_enough_);
PALF_LOG(WARN, "NotifyDiskEnough execute", K(palf_id), K(palf_handle_impl));
}
return bool_ret;
}
int PalfEnvImpl::get_disk_usage(int64_t &used_size_byte, int64_t &total_usable_size_byte)
{
int ret = OB_SUCCESS;
@ -1051,18 +1008,6 @@ int PalfEnvImpl::recycle_blocks_(bool &has_recycled, int64_t &oldest_palf_id, SC
return ret;
}
int PalfEnvImpl::notify_diskspace_enough_(const bool diskspace_enough)
{
int ret = OB_SUCCESS;
NotifyDiskEnough functor(diskspace_enough);
if (OB_FAIL(palf_handle_impl_map_.for_each(functor))) {
PALF_LOG(WARN, "palf_handle_impl_map_ for_each failed", K(ret), K(functor));
} else {
PALF_LOG(INFO, "notify_diskspace_enough_ success", K(ret), K(diskspace_enough), KPC(this));
}
return ret;
}
int PalfEnvImpl::wait_until_reference_count_to_zero_(const int64_t palf_id)
{
int ret = OB_SUCCESS;