[pull] master from ClickHouse:master#2171
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pull[bot] merged 24 commits intoMu-L:masterfrom Nov 6, 2025
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Mark Context::releaseQuerySlot() as const to fix clang-tidy
I noticed that this is one of the major contributors to
MemoryAllocatedWithoutCheck:
:) select arrayStringConcat(symbols, '\n'), sum(size), count(), sum(size)/count() from trace_log_3407706798345528581 where toYYYYMM(event_date) = 202509 and trace_type = 'MemoryAllocatedWithoutCheck' group by all order by 2 limit -5\G
Row 5:
──────
arrayStringConcat(symbols, '\n'): StackTrace::StackTrace()
incrementAllocationWithoutCheck(long)
MemoryTracker::allocImpl(long, bool, MemoryTracker*, double)
MemoryTracker::allocImpl(long, bool, MemoryTracker*, double)
MemoryTracker::allocImpl(long, bool, MemoryTracker*, double)
CurrentMemoryTracker::allocImpl(long, bool)
operator new(unsigned long)
DB::LazyOutput::buildOutputFromBlocksLimitAndOffset(std::__1::vector<COW<DB::IColumn>::mutable_ptr<DB::IColumn>, std::__1::allocator<COW<DB::IColumn>::mutable_ptr<DB::IColumn>>>&, unsigned long const*, unsigned long const*, unsigned long, unsigned long) const
DB::generateBlock(std::__1::unique_ptr<DB::HashJoinResult::GenerateCurrentRowState, std::__1::default_delete<DB::HashJoinResult::GenerateCurrentRowState>>&, DB::PODArray<char8_t, 4096ul, Allocator<false, false>, 63ul, 64ul> const&, DB::LazyOutput const&, DB::HashJoinResult::Properties const&)
DB::HashJoinResult::next()
DB::JoiningTransform::readExecute(DB::Chunk&)
DB::JoiningTransform::transform(DB::Chunk&)
DB::JoiningTransform::work()
DB::ExecutionThreadContext::executeTask()
DB::PipelineExecutor::executeStepImpl(unsigned long, DB::IAcquiredSlot*, std::__1::atomic<bool>*)
DB::PipelineExecutor::executeSingleThread(unsigned long, DB::IAcquiredSlot*)
DB::PipelineExecutor::executeImpl(unsigned long, bool)
DB::PipelineExecutor::execute(unsigned long, bool)
void std::__1::__function::__policy_invoker<void ()>::__call_impl[abi:se190107]<std::__1::__function::__default_alloc_func<ThreadFromGlobalPoolImpl<true, true>::ThreadFromGlobalPoolImpl<DB::PullingAsyncPipelineExecutor::pull(DB::Chunk&, unsigned long)::$_0>(DB::PullingAsyncPipelineExecutor::pull(DB::Chunk&, unsigned long)::$_0&&)::'lambda'(), void ()>>(std::__1::__function::__policy_storage const*)
ThreadPoolImpl<std::__1::thread>::ThreadFromThreadPool::worker()
void* std::__1::__thread_proxy[abi:se190107]<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct>>, void (ThreadPoolImpl<std::__1::thread>::ThreadFromThreadPool::*)(), ThreadPoolImpl<std::__1::thread>::ThreadFromThreadPool*>>(void*)
sum(size): 46713843640832 -- 46.71 trillion
count(): 77856
divide(sum(size), count()): 600003129.377723 -- 600.00 million
Update README.md
Support `CREATE OR REPLACE` syntax for temporary tables
…ory-tracker Use allocator that respects MemoryTracker in LazyOutput of HashJoin
Fix Bug: aarch64 ubuntu not using vdso but syscalls
Fix query slot release logic
Docs: add version introduced to `generateSerialID` documentation
Fix escaping in json docs
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