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Merge pull request #11524 from ClickHouse/stack-frams-size-limit

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Avoid too large stack frames
This commit is contained in:
alexey-milovidov 2020-08-05 13:12:08 +03:00 committed by GitHub
commit 85f28db714
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GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 698 additions and 690 deletions
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1216
base/common/tests/gtest_json_test.cpp
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File diff suppressed because it is too large Load Diff

6
cmake/warnings.cmake
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@ -20,6 +20,12 @@ endif ()
option (WEVERYTHING "Enables -Weverything option with some exceptions. This is intended for exploration of new compiler warnings that may be found to be useful. Only makes sense for clang." ON)
# Control maximum size of stack frames. It can be important if the code is run in fibers with small stack size.
# Only in release build because debug has too large stack frames.
if ((NOT CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG") AND (NOT SANITIZE))
add_warning(frame-larger-than=16384)
endif ()
if (COMPILER_CLANG)
add_warning(pedantic)
no_warning(vla-extension)

2
programs/benchmark/Benchmark.cpp
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@ -157,7 +157,7 @@ private:
std::string query_id;
bool continue_on_errors;
bool print_stacktrace;
Settings settings;
const Settings & settings;
SharedContextHolder shared_context;
Context global_context;
QueryProcessingStage::Enum query_processing_stage;

19
programs/copier/ClusterCopier.cpp
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@ -1360,7 +1360,8 @@ TaskStatus ClusterCopier::processPartitionPieceTaskImpl(
LOG_DEBUG(log, "Create destination tables. Query: {}", query);
UInt64 shards = executeQueryOnCluster(task_table.cluster_push, query, task_cluster->settings_push, PoolMode::GET_MANY);
LOG_DEBUG(log, "Destination tables {} have been created on {} shards of {}", getQuotedTable(task_table.table_push), shards, task_table.cluster_push->getShardCount());
LOG_DEBUG(log, "Destination tables {} have been created on {} shards of {}",
getQuotedTable(task_table.table_push), shards, task_table.cluster_push->getShardCount());
}
/// Do the copying
@ -1391,18 +1392,18 @@ TaskStatus ClusterCopier::processPartitionPieceTaskImpl(
try
{
std::unique_ptr<Context> context_select = std::make_unique<Context>(context);
context_select->setSettings(task_cluster->settings_pull);
std::unique_ptr<Context> context_insert = std::make_unique<Context>(context);
context_insert->setSettings(task_cluster->settings_push);
/// Custom INSERT SELECT implementation
Context context_select = context;
context_select.setSettings(task_cluster->settings_pull);
Context context_insert = context;
context_insert.setSettings(task_cluster->settings_push);
BlockInputStreamPtr input;
BlockOutputStreamPtr output;
{
BlockIO io_select = InterpreterFactory::get(query_select_ast, context_select)->execute();
BlockIO io_insert = InterpreterFactory::get(query_insert_ast, context_insert)->execute();
BlockIO io_select = InterpreterFactory::get(query_select_ast, *context_select)->execute();
BlockIO io_insert = InterpreterFactory::get(query_insert_ast, *context_insert)->execute();
input = io_select.getInputStream();
output = io_insert.out;

2
src/Common/Exception.cpp
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@ -149,7 +149,7 @@ static void getNotEnoughMemoryMessage(std::string & msg)
#if defined(__linux__)
try
{
static constexpr size_t buf_size = 4096;
static constexpr size_t buf_size = 1024;
char buf[buf_size];
UInt64 max_map_count = 0;

6
src/Common/RadixSort.h
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@ -252,7 +252,7 @@ private:
/// There are loops of NUM_PASSES. It is very important that they are unfolded at compile-time.
/// For each of the NUM_PASSES bit ranges of the key, consider how many times each value of this bit range met.
CountType histograms[HISTOGRAM_SIZE * NUM_PASSES] = {0};
std::unique_ptr<CountType[]> histograms{new CountType[HISTOGRAM_SIZE * NUM_PASSES]{}};
typename Traits::Allocator allocator;
@ -358,7 +358,7 @@ private:
/// The beginning of every i-1-th bucket. 0th element will be equal to 1st.
/// Last element will point to array end.
Element * prev_buckets[HISTOGRAM_SIZE + 1];
std::unique_ptr<Element *[]> prev_buckets{new Element*[HISTOGRAM_SIZE + 1]};
/// The beginning of every i-th bucket (the same array shifted by one).
Element ** buckets = &prev_buckets[1];
@ -375,7 +375,7 @@ private:
/// also it corresponds with the results from https://github.com/powturbo/TurboHist
static constexpr size_t UNROLL_COUNT = 8;
CountType count[HISTOGRAM_SIZE * UNROLL_COUNT]{};
std::unique_ptr<CountType[]> count{new CountType[HISTOGRAM_SIZE * UNROLL_COUNT]{}};
size_t unrolled_size = size / UNROLL_COUNT * UNROLL_COUNT;
for (Element * elem = arr; elem < arr + unrolled_size; elem += UNROLL_COUNT)

9
src/Common/Volnitsky.h
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@ -318,7 +318,7 @@ protected:
/** max needle length is 255, max distinct ngrams for case-sensitive is (255 - 1), case-insensitive is 4 * (255 - 1)
* storage of 64K ngrams (n = 2, 128 KB) should be large enough for both cases */
VolnitskyTraits::Offset hash[VolnitskyTraits::hash_size]; /// Hash table.
std::unique_ptr<VolnitskyTraits::Offset[]> hash; /// Hash table.
const bool fallback; /// Do we need to use the fallback algorithm.
@ -340,7 +340,7 @@ public:
if (fallback)
return;
memset(hash, 0, sizeof(hash));
hash = std::unique_ptr<VolnitskyTraits::Offset[]>(new VolnitskyTraits::Offset[VolnitskyTraits::hash_size]{});
auto callback = [this](const VolnitskyTraits::Ngram ngram, const int offset) { return this->putNGramBase(ngram, offset); };
/// ssize_t is used here because unsigned can't be used with condition like `i >= 0`, unsigned always >= 0
@ -419,7 +419,7 @@ private:
VolnitskyTraits::Offset off;
};
OffsetId hash[VolnitskyTraits::hash_size];
std::unique_ptr<OffsetId[]> hash;
/// step for each bunch of strings
size_t step;
@ -434,6 +434,7 @@ public:
MultiVolnitskyBase(const std::vector<StringRef> & needles_) : needles{needles_}, step{0}, last{0}
{
fallback_searchers.reserve(needles.size());
hash = std::unique_ptr<OffsetId[]>(new OffsetId[VolnitskyTraits::hash_size]); /// No zero initialization, it will be done later.
}
/**
@ -454,7 +455,7 @@ public:
if (last == needles.size())
return false;
memset(hash, 0, sizeof(hash));
memset(hash.get(), 0, VolnitskyTraits::hash_size * sizeof(OffsetId));
fallback_needles.clear();
step = std::numeric_limits<size_t>::max();

4
src/Common/filesystemHelpers.cpp
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@ -79,8 +79,8 @@ String getFilesystemName([[maybe_unused]] const String & mount_point)
throw DB::Exception("Cannot open /etc/mtab to get name of filesystem", ErrorCodes::SYSTEM_ERROR);
mntent fs_info;
constexpr size_t buf_size = 4096; /// The same as buffer used for getmntent in glibc. It can happen that it's not enough
char buf[buf_size];
while (getmntent_r(mounted_filesystems, &fs_info, buf, buf_size) && fs_info.mnt_dir != mount_point)
std::vector<char> buf(buf_size);
while (getmntent_r(mounted_filesystems, &fs_info, buf.data(), buf_size) && fs_info.mnt_dir != mount_point)
;
endmntent(mounted_filesystems);
if (fs_info.mnt_dir != mount_point)

3
src/Databases/DatabaseOrdinary.cpp
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@ -235,8 +235,7 @@ void DatabaseOrdinary::alterTable(const Context & context, const StorageID & tab
String statement;
{
char in_buf[METADATA_FILE_BUFFER_SIZE];
ReadBufferFromFile in(table_metadata_path, METADATA_FILE_BUFFER_SIZE, -1, in_buf);
ReadBufferFromFile in(table_metadata_path, METADATA_FILE_BUFFER_SIZE);
readStringUntilEOF(statement, in);
}

39
src/Functions/FunctionsStringSimilarity.cpp
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@ -48,11 +48,11 @@ struct NgramDistanceImpl
/// Max codepoints to store at once. 16 is for batching usage and PODArray has this padding.
static constexpr size_t simultaneously_codepoints_num = default_padding + N - 1;
/** This fits mostly in L2 cache all the time.
/** map_size of this fits mostly in L2 cache all the time.
* Actually use UInt16 as addings and subtractions do not UB overflow. But think of it as a signed
* integer array.
*/
using NgramStats = UInt16[map_size];
using NgramCount = UInt16;
static ALWAYS_INLINE UInt16 calculateASCIIHash(const CodePoint * code_points)
{
@ -169,8 +169,8 @@ struct NgramDistanceImpl
static ALWAYS_INLINE inline size_t calculateNeedleStats(
const char * data,
const size_t size,
NgramStats & ngram_stats,
[[maybe_unused]] UInt16 * ngram_storage,
NgramCount * ngram_stats,
[[maybe_unused]] NgramCount * ngram_storage,
size_t (*read_code_points)(CodePoint *, const char *&, const char *),
UInt16 (*hash_functor)(const CodePoint *))
{
@ -202,7 +202,7 @@ struct NgramDistanceImpl
static ALWAYS_INLINE inline UInt64 calculateHaystackStatsAndMetric(
const char * data,
const size_t size,
NgramStats & ngram_stats,
NgramCount * ngram_stats,
size_t & distance,
[[maybe_unused]] UInt16 * ngram_storage,
size_t (*read_code_points)(CodePoint *, const char *&, const char *),
@ -256,7 +256,7 @@ struct NgramDistanceImpl
static void constantConstant(std::string data, std::string needle, Float32 & res)
{
NgramStats common_stats = {};
std::unique_ptr<NgramCount[]> common_stats{new NgramCount[map_size]{}};
/// We use unsafe versions of getting ngrams, so I decided to use padded strings.
const size_t needle_size = needle.size();
@ -264,11 +264,11 @@ struct NgramDistanceImpl
needle.resize(needle_size + default_padding);
data.resize(data_size + default_padding);
size_t second_size = dispatchSearcher(calculateNeedleStats<false>, needle.data(), needle_size, common_stats, nullptr);
size_t second_size = dispatchSearcher(calculateNeedleStats<false>, needle.data(), needle_size, common_stats.get(), nullptr);
size_t distance = second_size;
if (data_size <= max_string_size)
{
size_t first_size = dispatchSearcher(calculateHaystackStatsAndMetric<false>, data.data(), data_size, common_stats, distance, nullptr);
size_t first_size = dispatchSearcher(calculateHaystackStatsAndMetric<false>, data.data(), data_size, common_stats.get(), distance, nullptr);
/// For !symmetric version we should not use first_size.
if constexpr (symmetric)
res = distance * 1.f / std::max(first_size + second_size, size_t(1));
@ -295,7 +295,7 @@ struct NgramDistanceImpl
size_t prev_haystack_offset = 0;
size_t prev_needle_offset = 0;
NgramStats common_stats = {};
std::unique_ptr<NgramCount[]> common_stats{new NgramCount[map_size]{}};
/// The main motivation is to not allocate more on stack because we have already allocated a lot (128Kb).
/// And we can reuse these storages in one thread because we care only about what was written to first places.
@ -316,7 +316,7 @@ struct NgramDistanceImpl
calculateNeedleStats<true>,
needle,
needle_size,
common_stats,
common_stats.get(),
needle_ngram_storage.get());
size_t distance = needle_stats_size;
@ -326,7 +326,7 @@ struct NgramDistanceImpl
calculateHaystackStatsAndMetric<true>,
haystack,
haystack_size,
common_stats,
common_stats.get(),
distance,
haystack_ngram_storage.get());
@ -378,7 +378,7 @@ struct NgramDistanceImpl
const size_t needle_offsets_size = needle_offsets.size();
size_t prev_offset = 0;
NgramStats common_stats = {};
std::unique_ptr<NgramCount[]> common_stats{new NgramCount[map_size]{}};
std::unique_ptr<UInt16[]> needle_ngram_storage(new UInt16[max_string_size]);
std::unique_ptr<UInt16[]> haystack_ngram_storage(new UInt16[max_string_size]);
@ -394,7 +394,7 @@ struct NgramDistanceImpl
calculateNeedleStats<true>,
needle,
needle_size,
common_stats,
common_stats.get(),
needle_ngram_storage.get());
size_t distance = needle_stats_size;
@ -403,7 +403,7 @@ struct NgramDistanceImpl
calculateHaystackStatsAndMetric<true>,
haystack.data(),
haystack_size,
common_stats,
common_stats.get(),
distance,
haystack_ngram_storage.get());
@ -430,17 +430,16 @@ struct NgramDistanceImpl
PaddedPODArray<Float32> & res)
{
/// zeroing our map
NgramStats common_stats = {};
std::unique_ptr<NgramCount[]> common_stats{new NgramCount[map_size]{}};
/// The main motivation is to not allocate more on stack because we have already allocated a lot (128Kb).
/// And we can reuse these storages in one thread because we care only about what was written to first places.
std::unique_ptr<UInt16[]> ngram_storage(new UInt16[max_string_size]);
/// We can reuse these storages in one thread because we care only about what was written to first places.
std::unique_ptr<UInt16[]> ngram_storage(new NgramCount[max_string_size]);
/// We use unsafe versions of getting ngrams, so I decided to use padded_data even in needle case.
const size_t needle_size = needle.size();
needle.resize(needle_size + default_padding);
const size_t needle_stats_size = dispatchSearcher(calculateNeedleStats<false>, needle.data(), needle_size, common_stats, nullptr);
const size_t needle_stats_size = dispatchSearcher(calculateNeedleStats<false>, needle.data(), needle_size, common_stats.get(), nullptr);
size_t distance = needle_stats_size;
size_t prev_offset = 0;
@ -453,7 +452,7 @@ struct NgramDistanceImpl
size_t haystack_stats_size = dispatchSearcher(
calculateHaystackStatsAndMetric<true>,
reinterpret_cast<const char *>(haystack),
haystack_size, common_stats,
haystack_size, common_stats.get(),
distance,
ngram_storage.get());
/// For !symmetric version we should not use haystack_stats_size.

4
src/Functions/array/arrayEnumerateExtended.h
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@ -58,8 +58,8 @@ public:
void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) const override;
private:
/// Initially allocate a piece of memory for 512 elements. NOTE: This is just a guess.
static constexpr size_t INITIAL_SIZE_DEGREE = 9;
/// Initially allocate a piece of memory for 64 elements. NOTE: This is just a guess.
static constexpr size_t INITIAL_SIZE_DEGREE = 6;
template <typename T>
struct MethodOneNumber

4
src/Functions/array/arrayEnumerateRanked.h
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@ -118,8 +118,8 @@ public:
void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) const override;
private:
/// Initially allocate a piece of memory for 512 elements. NOTE: This is just a guess.
static constexpr size_t INITIAL_SIZE_DEGREE = 9;
/// Initially allocate a piece of memory for 64 elements. NOTE: This is just a guess.
static constexpr size_t INITIAL_SIZE_DEGREE = 6;
void executeMethodImpl(
const std::vector<const ColumnArray::Offsets *> & offsets_by_depth,

4
src/Functions/array/arrayIntersect.cpp
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@ -55,8 +55,8 @@ public:
private:
const Context & context;
/// Initially allocate a piece of memory for 512 elements. NOTE: This is just a guess.
static constexpr size_t INITIAL_SIZE_DEGREE = 9;
/// Initially allocate a piece of memory for 64 elements. NOTE: This is just a guess.
static constexpr size_t INITIAL_SIZE_DEGREE = 6;
struct UnpackedArrays
{

6
src/IO/AIOContextPool.cpp
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@ -42,12 +42,12 @@ void AIOContextPool::doMonitor()
void AIOContextPool::waitForCompletion()
{
/// array to hold completion events
io_event events[max_concurrent_events];
std::vector<io_event> events(max_concurrent_events);
try
{
const auto num_events = getCompletionEvents(events, max_concurrent_events);
fulfillPromises(events, num_events);
const auto num_events = getCompletionEvents(events.data(), max_concurrent_events);
fulfillPromises(events.data(), num_events);
notifyProducers(num_events);
}
catch (...)

8
src/Storages/MergeTree/MergeTreeDataMergerMutator.cpp
View File

@ -1030,7 +1030,8 @@ MergeTreeData::MutableDataPartPtr MergeTreeDataMergerMutator::mutatePartToTempor
commands_for_part.emplace_back(command);
}
if (source_part->isStoredOnDisk() && !isStorageTouchedByMutations(storage_from_source_part, metadata_snapshot, commands_for_part, context_for_reading))
if (source_part->isStoredOnDisk() && !isStorageTouchedByMutations(
storage_from_source_part, metadata_snapshot, commands_for_part, context_for_reading))
{
LOG_TRACE(log, "Part {} doesn't change up to mutation version {}", source_part->name, future_part.part_info.mutation);
return data.cloneAndLoadDataPartOnSameDisk(source_part, "tmp_clone_", future_part.part_info, metadata_snapshot);
@ -1042,7 +1043,7 @@ MergeTreeData::MutableDataPartPtr MergeTreeDataMergerMutator::mutatePartToTempor
BlockInputStreamPtr in = nullptr;
Block updated_header;
std::optional<MutationsInterpreter> interpreter;
std::unique_ptr<MutationsInterpreter> interpreter;
const auto data_settings = data.getSettings();
MutationCommands for_interpreter;
@ -1057,7 +1058,8 @@ MergeTreeData::MutableDataPartPtr MergeTreeDataMergerMutator::mutatePartToTempor
if (!for_interpreter.empty())
{
interpreter.emplace(storage_from_source_part, metadata_snapshot, for_interpreter, context_for_reading, true);
interpreter = std::make_unique<MutationsInterpreter>(
storage_from_source_part, metadata_snapshot, for_interpreter, context_for_reading, true);
in = interpreter->execute();
updated_header = interpreter->getUpdatedHeader();
in->setProgressCallback(MergeProgressCallback(merge_entry, watch_prev_elapsed, stage_progress));

28
tests/queries/0_stateless/00930_arrayIntersect.sql
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@ -7,24 +7,24 @@ insert into array_intersect values ('2019-01-01', [1,2]);
insert into array_intersect values ('2019-01-01', [1]);
insert into array_intersect values ('2019-01-01', []);
select arrayIntersect(arr, [1,2]) from array_intersect order by arr;
select arrayIntersect(arr, []) from array_intersect order by arr;
select arrayIntersect([], arr) from array_intersect order by arr;
select arrayIntersect([1,2], arr) from array_intersect order by arr;
select arrayIntersect([1,2], [1,2,3,4]) from array_intersect order by arr;
select arrayIntersect([], []) from array_intersect order by arr;
select arraySort(arrayIntersect(arr, [1,2])) from array_intersect order by arr;
select arraySort(arrayIntersect(arr, [])) from array_intersect order by arr;
select arraySort(arrayIntersect([], arr)) from array_intersect order by arr;
select arraySort(arrayIntersect([1,2], arr)) from array_intersect order by arr;
select arraySort(arrayIntersect([1,2], [1,2,3,4])) from array_intersect order by arr;
select arraySort(arrayIntersect([], [])) from array_intersect order by arr;
optimize table array_intersect;
select arrayIntersect(arr, [1,2]) from array_intersect order by arr;
select arrayIntersect(arr, []) from array_intersect order by arr;
select arrayIntersect([], arr) from array_intersect order by arr;
select arrayIntersect([1,2], arr) from array_intersect order by arr;
select arrayIntersect([1,2], [1,2,3,4]) from array_intersect order by arr;
select arrayIntersect([], []) from array_intersect order by arr;
select arraySort(arrayIntersect(arr, [1,2])) from array_intersect order by arr;
select arraySort(arrayIntersect(arr, [])) from array_intersect order by arr;
select arraySort(arrayIntersect([], arr)) from array_intersect order by arr;
select arraySort(arrayIntersect([1,2], arr)) from array_intersect order by arr;
select arraySort(arrayIntersect([1,2], [1,2,3,4])) from array_intersect order by arr;
select arraySort(arrayIntersect([], [])) from array_intersect order by arr;
drop table if exists array_intersect;
select '-';
select arrayIntersect([-100], [156]);
select arrayIntersect([1], [257]);
select arraySort(arrayIntersect([-100], [156]));
select arraySort(arrayIntersect([1], [257]));

2
tests/queries/0_stateless/00932_array_intersect_bug.reference
View File

@ -5,5 +5,5 @@
[2]
[]
[]
[3,1,2]
[1,2,3]
[]

18
tests/queries/0_stateless/00932_array_intersect_bug.sql
View File

@ -1,9 +1,9 @@
SELECT arrayIntersect(['a', 'b', 'c'], ['a', 'a']);
SELECT arrayIntersect([1, 1], [2, 2]);
SELECT arrayIntersect([1, 1], [1, 2]);
SELECT arrayIntersect([1, 1, 1], [3], [2, 2, 2]);
SELECT arrayIntersect([1, 2], [1, 2], [2]);
SELECT arrayIntersect([1, 1], [2, 1], [2, 2], [1]);
SELECT arrayIntersect([]);
SELECT arrayIntersect([1, 2, 3]);
SELECT arrayIntersect([1, 1], [2, 1], [2, 2], [2, 2, 2]);
SELECT arraySort(arrayIntersect(['a', 'b', 'c'], ['a', 'a']));
SELECT arraySort(arrayIntersect([1, 1], [2, 2]));
SELECT arraySort(arrayIntersect([1, 1], [1, 2]));
SELECT arraySort(arrayIntersect([1, 1, 1], [3], [2, 2, 2]));
SELECT arraySort(arrayIntersect([1, 2], [1, 2], [2]));
SELECT arraySort(arrayIntersect([1, 1], [2, 1], [2, 2], [1]));
SELECT arraySort(arrayIntersect([]));
SELECT arraySort(arrayIntersect([1, 2, 3]));
SELECT arraySort(arrayIntersect([1, 1], [2, 1], [2, 2], [2, 2, 2]));

4
tests/queries/0_stateless/01323_add_scalars_in_time.reference
View File

@ -1,2 +1,2 @@
[0,3,2] id2
[3,1,2] id1
[0,2,3] id2
[1,2,3] id1

2
tests/queries/0_stateless/01323_add_scalars_in_time.sql
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@ -11,7 +11,7 @@ INSERT INTO tags(id, seqs) VALUES ('id1', [1,2,3]), ('id2', [0,2,3]), ('id1', [1
WITH
(SELECT [0, 1, 2, 3]) AS arr1
SELECT arrayIntersect(argMax(seqs, create_time), arr1) AS common, id
SELECT arraySort(arrayIntersect(argMax(seqs, create_time), arr1)) AS common, id
FROM tags
WHERE id LIKE 'id%'
GROUP BY id;