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34 lines
925 B
C++
34 lines
925 B
C++
#include <Yandex/likely.h>
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#include <Yandex/logger_useful.h>
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#include <DB/Core/Exception.h>
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#include <DB/Common/formatReadable.h>
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#include <DB/IO/WriteHelpers.h>
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#include <iomanip>
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#include <DB/Common/MemoryTracker.h>
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MemoryTracker::~MemoryTracker()
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{
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LOG_DEBUG(&Logger::get("MemoryTracker"), "Peak memory usage for query: " << formatReadableSizeWithBinarySuffix(peak) << ".");
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}
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void MemoryTracker::alloc(Int64 size)
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{
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Int64 will_be = __sync_add_and_fetch(&amount, size);
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if (unlikely(limit && will_be > limit))
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{
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free(size);
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throw DB::Exception("Memory limit exceeded: would use " + formatReadableSizeWithBinarySuffix(will_be) + ""
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" (attempt to allocate chunk of " + DB::toString(size) + " bytes)"
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", maximum: " + formatReadableSizeWithBinarySuffix(limit), DB::ErrorCodes::MEMORY_LIMIT_EXCEEDED);
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}
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if (will_be > peak)
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peak = will_be;
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}
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__thread MemoryTracker * current_memory_tracker = nullptr;
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