[fix](gc) fix a core introduced by #30854 (#30932)

introduced by #30854, if it is the end of the map _unused_rowsets, program will core.
2024-02-07 22:28:30 +08:00
parent a1bf00e5ea
commit 041db03c94
1 changed files with 1 additions and 1 deletions
--- a/be/src/olap/storage_engine.cpp
+++ b/be/src/olap/storage_engine.cpp
@ -1095,7 +1095,6 @@ void StorageEngine::start_delete_unused_rowset() {
                }
                it = _unused_rowsets.erase(it);
            } else {
-                ++it;
                if (rs.use_count() != 1) {
                    ++due_to_use_count;
                } else if (!rs->need_delete_file()) {
@ -1103,6 +1102,7 @@ void StorageEngine::start_delete_unused_rowset() {
                } else {
                    ++due_to_delayed_expired_ts;
                }
+                ++it;
            }
        }
    }