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fixed begin lsn smaller then end lsn when there is no log on disk

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This commit is contained in:
HaHaJeff
2022-11-11 12:09:49 +00:00
committed by wangzelin.wzl
parent d2466c38ad
commit 621edb46ad
2 changed files with 6 additions and 2 deletions
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1
src/logservice/palf/log_engine.cpp
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@ -135,6 +135,7 @@ int LogEngine::init(const int64_t palf_id,
alloc_mgr_ = alloc_mgr; alloc_mgr_ = alloc_mgr;
log_io_worker_ = log_io_worker; log_io_worker_ = log_io_worker;
palf_epoch_ = palf_epoch; palf_epoch_ = palf_epoch;
base_lsn_for_block_gc_ = log_meta.get_log_snapshot_meta().base_lsn_;
is_inited_ = true; is_inited_ = true;
PALF_LOG(INFO, "LogEngine init success", K(ret), K(palf_id), K(base_dir), K(palf_epoch)); PALF_LOG(INFO, "LogEngine init success", K(ret), K(palf_id), K(base_dir), K(palf_epoch));
} }

7
src/logservice/palf/log_storage.cpp
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@ -431,11 +431,14 @@ const LSN LogStorage::get_begin_lsn() const
{ {
int ret = OB_SUCCESS; int ret = OB_SUCCESS;
LSN lsn; LSN lsn;
lsn.val_ = 0;
block_id_t min_block_id = LOG_INVALID_BLOCK_ID; block_id_t min_block_id = LOG_INVALID_BLOCK_ID;
block_id_t max_block_id = LOG_INVALID_BLOCK_ID; block_id_t max_block_id = LOG_INVALID_BLOCK_ID;
if (OB_FAIL(get_block_id_range(min_block_id, max_block_id))) { if (OB_FAIL(get_block_id_range(min_block_id, max_block_id))) {
PALF_LOG(WARN, "get_block_id_range failed", K(ret), KPC(this)); if (OB_ENTRY_NOT_EXIST == ret) {
lsn = log_tail_;
} else {
PALF_LOG(WARN, "get_block_id_range failed", K(ret), KPC(this));
}
} else { } else {
lsn.val_ = logical_block_size_ * min_block_id; lsn.val_ = logical_block_size_ * min_block_id;
} }