TPCC 10k warehouses data and master tiflash cluster
scale-in tiflash
some ddl sql such as add index and add primary key
some ap sql

2021.05.20 21:58:32.274914 [ 176424 ] <Error> BaseDaemon: ########################################
2021.05.20 21:58:32.279488 [ 176424 ] <Error> BaseDaemon: (from thread 1560) Received signal Segmentation fault (11).
2021.05.20 21:58:32.286558 [ 176424 ] <Error> BaseDaemon: Address: 0x38
2021.05.20 21:58:32.286575 [ 176424 ] <Error> BaseDaemon: Access: read.
2021.05.20 21:58:32.286588 [ 176424 ] <Error> BaseDaemon: Address not mapped to object.
2021.05.20 21:58:32.324809 [ 176424 ] <Error> BaseDaemon: 0. bin/tiflash/tiflash(long Poco::Dynamic::Var::convert<long>() const+0x30) [0x73861f0]
2021.05.20 21:58:32.327358 [ 176424 ] <Error> BaseDaemon: 1. bin/tiflash/tiflash(TiDB::ColumnInfo::defaultValueToField() const+0x1d5) [0x7380c85]
2021.05.20 21:58:32.330020 [ 176424 ] <Error> BaseDaemon: 2. bin/tiflash/tiflash(bool DB::setColumnValues<(DB::TMTPKType)0>(DB::ColumnVector<unsigned char>&, DB::ColumnVector<unsigned long>&, std::vector<long, std::allocator<long> >&, std::vector<std::pair<long, unsigned long>, std::allocator<std::pair<long, unsigned long> > > const&, google::dense_hash_map<long, unsigned long, std::hash<long>, std::equal_to<long>, google::libc_allocator_with_realloc<std::pair<long const, unsigned long> > >&, DB::ColumnDataInfoMap&, std::vector<std::tuple<DB::RawTiDBPK, unsigned char, unsigned long, std::shared_ptr<DB::StringObject<false> const> >, std::allocator<std::tuple<DB::RawTiDBPK, unsigned char, unsigned long, std::shared_ptr<DB::StringObject<false> const> > > > const&, unsigned long, bool, TiDB::TableInfo const&, bool, std::shared_ptr<DB::RegionScanFilter>)+0x694) [0x7325c14]
2021.05.20 21:58:32.332418 [ 176424 ] <Error> BaseDaemon: 3. bin/tiflash/tiflash(DB::RegionBlockReader::read(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::vector<std::tuple<DB::RawTiDBPK, unsigned char, unsigned long, std::shared_ptr<DB::StringObject<false> const> >, std::allocator<std::tuple<DB::RawTiDBPK, unsigned char, unsigned long, std::shared_ptr<DB::StringObject<false> const> > > >&, bool)+0xf23) [0x731d873]
2021.05.20 21:58:32.334734 [ 176424 ] <Error> BaseDaemon: 4. bin/tiflash/tiflash(DB::GenRegionBlockDatawithSchema(std::shared_ptr<DB::Region> const&, std::shared_ptr<DB::StorageDeltaMerge> const&, std::shared_ptr<std::vector<DB::DM::ColumnDefine, std::allocator<DB::DM::ColumnDefine> > > const&, unsigned long, bool, DB::TMTContext&)+0x596) [0x7306f26]
2021.05.20 21:58:32.336801 [ 176424 ] <Error> BaseDaemon: 5. bin/tiflash/tiflash(DB::DM::SSTFilesToBlockInputStream::readCommitedBlock()+0xa7) [0x781f8d7]
2021.05.20 21:58:32.341296 [ 176424 ] <Error> BaseDaemon: 6. bin/tiflash/tiflash(DB::DM::SSTFilesToBlockInputStream::read()+0x16a) [0x782024a]
2021.05.20 21:58:32.343210 [ 176424 ] <Error> BaseDaemon: 7. bin/tiflash/tiflash(DB::DM::PKSquashingBlockInputStream<true>::read()+0xe0) [0x7822220]
2021.05.20 21:58:32.345185 [ 176424 ] <Error> BaseDaemon: 8. bin/tiflash/tiflash(DB::DM::DMVersionFilterBlockInputStream<1>::initNextBlock()+0x31) [0x76ad071]
2021.05.20 21:58:32.345233 [ 176424 ] <Error> BaseDaemon: 9. bin/tiflash/tiflash(DB::DM::DMVersionFilterBlockInputStream<1>::read(DB::PODArray<unsigned char, 4096ul, Allocator<false>, 15ul, 16ul>*&, bool)+0x1808) [0x76af3a8]
2021.05.20 21:58:32.347290 [ 176424 ] <Error> BaseDaemon: 10. bin/tiflash/tiflash(DB::DM::BoundedSSTFilesToBlockInputStream::read()+0x29) [0x781fab9]
2021.05.20 21:58:32.349704 [ 176424 ] <Error> BaseDaemon: 11. bin/tiflash/tiflash(DB::DM::SSTFilesToDTFilesOutputStream::write()+0x82) [0x7824f42]
2021.05.20 21:58:32.349763 [ 176424 ] <Error> BaseDaemon: 12. bin/tiflash/tiflash(DB::KVStore::preHandleSSTsToDTFiles(std::shared_ptr<DB::Region>, DB::SSTViewVec, unsigned long, unsigned long, DB::DM::FileConvertJobType, DB::TMTContext&)+0x374) [0x76d8cc4]
2021.05.20 21:58:32.354741 [ 176424 ] <Error> BaseDaemon: 13. bin/tiflash/tiflash(DB::KVStore::preHandleSnapshotToFiles(std::shared_ptr<DB::Region>, DB::SSTViewVec, unsigned long, unsigned long, DB::TMTContext&)+0x46) [0x76d9416]
2021.05.20 21:58:32.360112 [ 176424 ] <Error> BaseDaemon: 14. bin/tiflash/tiflash(DB::PreHandleSnapshot(DB::EngineStoreServerWrap*, DB::BaseBuffView, unsigned long, DB::SSTViewVec, unsigned long, unsigned long)+0xf4) [0x7310f04]
2021.05.20 21:58:32.368360 [ 176424 ] <Error> BaseDaemon: 15. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x9a02b4) [0x7fe552b6c2b4]
2021.05.20 21:58:32.370432 [ 176424 ] <Error> BaseDaemon: 16. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x98aa1f) [0x7fe552b56a1f]
2021.05.20 21:58:32.374407 [ 176424 ] <Error> BaseDaemon: 17. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x113c080) [0x7fe553308080]
2021.05.20 21:58:32.376398 [ 176424 ] <Error> BaseDaemon: 18. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x1c06f36) [0x7fe553dd2f36]
2021.05.20 21:58:32.378312 [ 176424 ] <Error> BaseDaemon: 19. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x1bfd968) [0x7fe553dc9968]
2021.05.20 21:58:32.380046 [ 176424 ] <Error> BaseDaemon: 20. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x1bff0ab) [0x7fe553dcb0ab]
2021.05.20 21:58:32.381945 [ 176424 ] <Error> BaseDaemon: 21. /data1/tidb-deploy-upgrade0/tiflash-9900/bin/tiflash/libtiflash_proxy.so(+0x1435ecb) [0x7fe553601ecb]
2021.05.20 21:58:32.384078 [ 176424 ] <Error> BaseDaemon: 22. /lib64/libpthread.so.0(+0x7dd5) [0x7fe551991dd5]