ClickHouse ALTER TABLE DELETE 异常代码 241

如何解决ClickHouse ALTER TABLE DELETE 异常代码 241

我在 ALTER TABLE DELETE 上遇到了问题。我尝试使用各种 max_block_size（8192、4096、2048、1024）执行 ALTER DELETE。还尝试更改表的 merge_max_block_size（8192、4096、2048、1024）。没运气。完整的异常文本：

sql 错误 [341]：ClickHouse 异常，代码：341，主机：127.0.0.1，端口：40849；代码：341，e.displayText() = DB::Exception：在执行变异 'mutation_94378.txt' 期间发生异常，部分为 '1_7146_15644_5_94355' 原因：'代码：241，e.displayText() = DB::Exception: Memory超过限制（总计）：将使用 14.05 GiB（尝试分配 4425496 字节的块），最大值：14.05 GiB：(avg_value_size_hint = 35.49267578125,avg_chars_size = 32.9912109812,while reading column = 32.9912109375,while reading column = (code):code部分 /mnt/store/clickhouse/store/04d/04d43c3a-9822-4168-a12a-664806ec3b67/1_7146_15644_5_94355/ 从标记 0 开始，max_rows_to_read = 8192）。（build.3）.23 官方版本）MergeTree2此错误可能可重试或不可重试。如果出现不可重试的错误，可以使用 KILL MUTATION 查询终止变异（版本 21.1.3.32（官方构建））

clickhouse-server.log：

2021.03.23 08:30:04.621721 [268131] {} AggregatingTransform：聚合 2021.03.23 08:30:04.621756 [268131] {} 聚合器：聚合方法：无键 2021.03.23 08:30:05.077471 [268131] {} AggregatingTransform：聚合。 20 到 1 行（从 0.00 B）在 0.683282494 秒内。（29.27047037736635 行/秒，0.00 B/秒。） 2021.03.23 08:30:05.077501 [268131] {} 聚合器：合并聚合数据 2021.03.23 08:30:05.077675 [268131] {} test.dt_customer (04d43c3a-9822-4168-a12a-664806ec3b67)（MergerMutator）：Mutating part_353_3551_3551_351_35716571716457167759999999999999999999999999999999 2021.03.23 08:30:05.078565 [268131] {} test.dt_customer (04d43c3a-9822-4168-a12a-664806ec3b67) (SelectExecutor)：关键条件：未知 2021.03.23 08:30:05.078581 [268131] {} test.dt_customer (04d43c3a-9822-4168-a12a-664806ec3b67)（SelectExecutor）：MinMax 索引条件：未知 2021.03.23 08:30:05.078589 [268131] {} test.dt_customer (04d43c3a-9822-4168-a12a-664806ec3b67) (SelectExecutor): 不使用 part_151645_151645_151645_151645_159446 的主索引 2021.03.23 08:30:05.078597 [ 268131 ] {} test.dt_customer (04d43c3a-9822-4168-a12a-664806ec3b67) (SelectExecutor): Selected 1 part by 1 个主键，由 1 个主键分区 144从 1 个范围读取 15147 个标记 2021.03.23 08:30:05.078658 [268131] {} MergeTreeSelectProcessor：读取 1 范围从第 1_7146_15644_5_94355 部分，大约。从 0 开始的 124080000 行 2021.03.23 08:30:05.078722 [268131] {} InterpreterSelectQuery: FetchColumns -> Complete 2021.03.23 08:30:05.162644 [268131] {} MemoryTracker：峰值内存使用量：147.51 MiB。 2021.03.23 08:30:05.162743 [268131] {} auto DB::IBackgroundJobExecutor::jobExecutingTask()::(匿名类)::operator()() const：代码：241，e.displayText() = DB：：例外：超出内存限制（总计）：将使用 14.05 GiB（尝试分配 4426357 字节的块），最大值：14.05 GiB：（avg_value_size_hint = 35.49267578125，avg_chars_size = 32.9371921 阅读限制）（市场代码）：14.05 GiB：（从部分 /mnt/store/clickhouse/store/04d/04d43c3a-9822-4168-a12a-664806ec3b67/1_7146_15644_5_94355/ 从标记 0 中读取时，max_rows_to_read = 8192，执行跟踪时，堆栈始终复制此消息：包括以下几行）：

DB::Exception::Exception,long&,std: :__1::basic_string >(int,std::__1::basic_string const&,char const*&&,std::__1::basic_string&&,std::__1 ::basic_string&&) @ 0x8625620 in /usr/bin/clickhouse
MemoryTracker::alloc(long) @ 0x8624f7d in /usr/bin/clickhouse
MemoryTracker::alloc(long) @ 0x8624ce4 in /usr/bin/clickhouse
MemoryTracker::alloc(long) @ 0x8624ce4 in /usr/bin/clickhouse
DB::DataTypestring::deserializeBinaryBulk(DB::IColumn&,DB::ReadBuffer&,unsigned long,double) const @ 0xea36a74 in /usr/bin/clickhouse
DB::MergeTreeReaderWide::readData(std::__1::basic_string const&,DB::IDataType const&,DB::IColumn&,bool,bool) @ 0xf6f8d19 /usr/bin/clickhouse
DB::MergeTreeReaderWide::readRows(unsigned long,std::__1::vector::immutable_ptr<:icolumn>,std::__1:: allocator::immutable_ptr<:icolumn> > >&) @ 0xf6f8030 in /usr/bin/clickhouse
DB::MergeTreeRangeReader::DelayedStream::finalize(std::__1::vector::immutable_ptr<:icolumn>,std::__1::allocator::immutable_ptr<:icolumn> > >&) @ 0xf700b9a in /usr/bin/clickhouse
DB::MergeTreeRangeReader::startReadingChain(unsigned long,std::__1::deque<:markrange std::__1::allocator> >&) @ 0xf705066 in /usr/bin /clickhouse
DB::MergeTreeRangeReader::read(unsigned long,std::__1::deque<:markrange std::__1::allocator> >&) @ 0xf703c24 in /usr/bin /clickhouse
DB::MergeTreeBaseSelectProcessor::readFromPartImpl() @ 0xf6fe2b3 in /usr/bin/clickhouse
DB::MergeTreeBaseSelectProcessor::readFromPart() @ 0xf6fef0d in /usr/bin/clickhouse
DB::MergeTreeBaseSelectProcessor::generate() @ 0xf6fd7ab in /usr/bin/clickhouse
DB::ISource::tryGenerate() @ 0xf8d8df5 位于 /usr/bin/clickhouse
DB::ISource::work() @ 0xf8d8b1a 在 /usr/bin/clickhouse 中
DB::SourceWithProgress::work() @ 0xfa4045a in /usr/bin/clickhouse
? @ 0xf9129bc 在 /usr/bin/clickhouse
DB::PipelineExecutor::executeStepImpl(unsigned long,std::__1::atomic*) @ 0xf90f766 in /usr/bin/clickhouse
DB::PipelineExecutor::executeStep(std::__1::atomic*) @ 0xf90e0ec in /usr/bin/clickhouse
DB::PullingPipelineExecutor::pull(DB::Chunk&) @ 0xf91c008 in /usr/bin/clickhouse
DB::PullingPipelineExecutor::pull(DB::Block&) @ 0xf91c250 in /usr/bin/clickhouse
DB::PipelineExecutingBlockInputStream::readImpl() @ 0xf909fd4 in /usr/bin/clickhouse
DB::IBlockInputStream::read() @ 0xe977455 in /usr/bin/clickhouse
DB::CheckSortedBlockInputStream::readImpl() @ 0xf063fc1 in /usr/bin/clickhouse
DB::IBlockInputStream::read() @ 0xe977455 in /usr/bin/clickhouse
DB::ExpressionBlockInputStream::readImpl() @ 0xf64d537 in /usr/bin/clickhouse
DB::IBlockInputStream::read() @ 0xe977455 in /usr/bin/clickhouse
DB::MaterializingBlockInputStream::readImpl() @ 0xee33eed in /usr/bin/clickhouse
DB::IBlockInputStream::read() @ 0xe977455 in /usr/bin/clickhouse
DB::MergeTreeDataMergerMutator::mutateallPartColumns(std::__1::shared_ptr<:imergetreedatapart>,std::__1::shared_ptr<:storageinmemorymetadata const> const&,std::__1::vector,std::__1::allocator<:__1::shared_ptr const> > > const&,std::__1::shared_ptr,long,std::__1::shared_ptr<:icompressioncodec> const&,DB::BackgroundProcessListEntry<:mergelistelement db::mergeinfo>&,bool) const @ 0xf62ff49 in /usr/bin /clickhouse
DB::MergeTreeDataMergerMutator::mutatePartToTemporaryPart(DB::FutureMergedMutatedPart const&,DB::MutationCommands const&,DB::BackgroundProcessListEntry<:mergelistelement db ::mergeinfo>&,DB::Context const&,std::__1::unique_ptr<:ireservation std::__1::default_delete> > const&,std::__1::shared_ptr <:rwlockimpl::lockholderimpl>&) @ 0xf62c06e in /usr/bin/clickhouse
DB::StorageMergeTree::mutateSelectedPart(std::__1::shared_ptr<:storageinmemorymetadata const> const&,DB::StorageMergeTree::MergeMutateSelectedEntry&,std::__1::shared_ptr<:rwlockimpl::lockholderimpl>&) @ 0xf3c6fc7 在 /usr/bin/clickhouse （版本 21.1.3.32（官方版本））