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[improvement] alloc aligned memory for block bloom filter to work with jemalloc (#10446)

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This commit is contained in:
Yongqiang YANG
2022-07-01 16:05:48 +08:00
committed by GitHub
parent 558a21d7de
commit 5dd43fff53
2 changed files with 7 additions and 4 deletions
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2
be/src/exprs/block_bloom_filter.hpp
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@ -202,8 +202,6 @@ private:
}
DISALLOW_COPY_AND_ASSIGN(BlockBloomFilter);
std::unique_ptr<char[]> _mem_holder;
};
} // namespace doris

9
be/src/exprs/block_bloom_filter_impl.cc
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@ -69,8 +69,12 @@ Status BlockBloomFilter::init_internal(const int log_space_bytes, uint32_t hash_
const size_t alloc_size = directory_size();
close(); // Ensure that any previously allocated memory for directory_ is released.
_mem_holder.reset(new char[alloc_size]);
_directory = (Bucket*)_mem_holder.get();
DCHECK(_directory == nullptr);
int rc = posix_memalign((void**)&_directory, 32, alloc_size);
if (rc != 0) {
return Status::InternalError("block_bloom_filter alloc fail");
}
_hash_seed = hash_seed;
return Status::OK();
}
@ -100,6 +104,7 @@ Status BlockBloomFilter::init_from_directory(int log_space_bytes, const Slice& d
void BlockBloomFilter::close() {
if (_directory != nullptr) {
free(_directory);
_directory = nullptr;
}
}