Adjust the read snapshot when max_read_stale_time is valid

2023-06-05 08:56:46 +00:00
parent a795853f8e
commit 843c5c9db3
4 changed files with 28 additions and 19 deletions
--- a/src/storage/concurrency_control/ob_multi_version_garbage_collector.cpp
+++ b/src/storage/concurrency_control/ob_multi_version_garbage_collector.cpp
@ -441,7 +441,7 @@ int ObMultiVersionGarbageCollector::study_min_unallocated_WRS(
    transaction::ObWeakReadUtil::max_stale_time_for_weak_consistency(MTL_ID());

  if (OB_FAIL(MTL(transaction::ObTransService*)->get_weak_read_snapshot_version(
-                max_read_stale_time,
+                -1, // system variable : max read stale time for user
                min_unallocated_WRS))) {
    MVCC_LOG(WARN, "fail to get weak read snapshot", K(ret));
    if (OB_REPLICA_NOT_READABLE == ret) {