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branch-3.0: [enhancement](cloud) expose file cache capacity for each disk #42896

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Merged
dataroaring merged 1 commit into from
Nov 7, 2024
Merged

branch-3.0: [enhancement](cloud) expose file cache capacity for each disk #42896

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3 changes: 3 additions & 0 deletions be/src/io/cache/block_file_cache.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,8 @@ BlockFileCache::BlockFileCache(const std::string& cache_base_path,
_max_query_cache_size(cache_settings.max_query_cache_size) {
_cur_cache_size_metrics = std::make_shared<bvar::Status<size_t>>(_cache_base_path.c_str(),
"file_cache_cache_size", 0);
_cache_capacity_metrics = std::make_shared<bvar::Status<size_t>>(
_cache_base_path.c_str(), "file_cache_capacity", _capacity);
_cur_ttl_cache_size_metrics = std::make_shared<bvar::Status<size_t>>(
_cache_base_path.c_str(), "file_cache_ttl_cache_size", 0);
_cur_normal_queue_element_count_metrics = std::make_shared<bvar::Status<size_t>>(
Expand Down Expand Up @@ -1527,6 +1529,7 @@ std::string BlockFileCache::reset_capacity(size_t new_capacity) {
}
old_capacity = _capacity;
_capacity = new_capacity;
_cache_capacity_metrics->set_value(_capacity);
}
auto use_time = duration_cast<milliseconds>(steady_clock::time_point() - start_time);
LOG(INFO) << "Finish tag deleted block. path=" << _cache_base_path
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1 change: 1 addition & 0 deletions be/src/io/cache/block_file_cache.h
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Expand Up @@ -447,6 +447,7 @@ class BlockFileCache {
LRUQueue _ttl_queue;

// metrics
std::shared_ptr<bvar::Status<size_t>> _cache_capacity_metrics;
std::shared_ptr<bvar::Status<size_t>> _cur_cache_size_metrics;
std::shared_ptr<bvar::Status<size_t>> _cur_ttl_cache_size_metrics;
std::shared_ptr<bvar::Status<size_t>> _cur_ttl_cache_lru_queue_cache_size_metrics;
Expand Down