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[CP] Limit the memory use of bloom filter to 2g

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qianchanger 2022-11-07 09:06:33 +00:00 committed by wangzelin.wzl
parent b1b4631c04
commit fa87d1117c
2 changed files with 11 additions and 2 deletions
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2
src/sql/engine/px/ob_px_bloom_filter.cpp
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@ -25,7 +25,7 @@ using namespace sql;
using namespace obrpc;
#define MIN_FILTER_SIZE 256
#define MAX_BIT_COUNT 4611686018427387904 // 2^62
#define MAX_BIT_COUNT 17179869184// 2^34 due to the memory single alloc limit
#define BF_BLOCK_SIZE 256L
#define BLOCK_MASK 255L // = size of block - 1
#define CACHE_LINE_SIZE 64 // 64 bytes

11
src/sql/optimizer/ob_log_join_filter.h
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@ -43,7 +43,16 @@ public:
inline void set_filter_id(int64_t filter_id) { filter_id_ = filter_id; }
inline int64_t get_filter_id() const { return filter_id_; }
inline bool is_create_filter() { return is_create_; }
inline void set_filter_length(int64_t filter_len) { filter_len_ = filter_len; }
inline void set_filter_length(double filter_len)
{
if (filter_len <= 0) {
filter_len_ = 1;
} else if (filter_len > INT64_MAX) {
filter_len_ = INT64_MAX;
} else {
filter_len_ = filter_len;
}
}
inline int64_t get_filter_length() const { return filter_len_; }
inline void set_is_use_filter_shuffle(bool flag) { is_use_filter_shuffle_ = flag; }
inline bool is_use_filter_shuffle() { return is_use_filter_shuffle_; }