Cheng Xuntao

Conditional jump or move depends on uninitialised value(s), reported by valgrind

2

``` ==2498== Thread 137 executor-pri3-1: ==2498== Conditional jump or move depends on uninitialised value(s) ==2498== at 0x2178CAB: operator== (Value.h:506) ==2498== by 0x2178CAB: operator() (predefined_ops.h:241) ==2498== by 0x2178CAB: __gnu_cxx::__normal_iterator std::__find_if(__gnu_cxx::__normal_iterator, __gnu_cxx::__normal_iterator,...

Invlid free(), GraphServer.cpp:34, reported by valgrind

1

``` ==2498== Memcheck, a memory error detector ==2498== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==2498== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info...

A list of failed cases in the ASAN CI job

5

In this list, I track cases that have failed in the asan CI job (ubuntu2004, clang-10) for at least one time. They may not fail in other CI jobs, and...

**Describe the bug (__required__)**  While executing `YIELD 1 AS number INTERSECT YIELD 2 AS number;`, the CI may run into the above error, in which an operand is trated...

``` ==2498== Thread 283 hazptr-tpe-0: ==2498== Invalid free() / delete / delete[] / realloc() ==2498== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==2498== by 0x29913AB: folly::hazptr_obj_base_linked::set_reclaim()::{lambda(folly::hazptr_obj*, folly::hazptr_obj_list&)#1}::_FUN(folly::hazptr_obj*, folly::hazptr_obj_list&) (in /root/src/nebula-ent/build/bin/nebula-graphd) ==2498== by...

``` ________________ test_vertices_index_and_data_consistency_check ________________ [gw3] linux -- Python 3.8.10 /usr/bin/python3 /github/home/.local/lib/python3.8/site-packages/pytest_bdd/scenario.py:177: in scenario_wrapper _execute_scenario(feature, scenario, request, encoding) /github/home/.local/lib/python3.8/site-packages/pytest_bdd/scenario.py:143: in _execute_scenario _execute_step_function(request, scenario, step, step_func) /github/home/.local/lib/python3.8/site-packages/pytest_bdd/scenario.py:113: in _execute_step_function return_value = step_func(**kwargs)...

**Introduction** In some CI jobs, waiting 6 seconds is not long enough for DDLs or queries before them to finish, causing subsequent queries to fail. Common errors reported include something...

Support checkpointing a large query execution to disks and allow it to be resumed later

5

Suppose we have a long running query, we may want to pause it for a while, store its progress in disks as a checkpoint and come back to its execution...