luozenglin commented on code in PR #14920:
URL: https://github.com/apache/doris/pull/14920#discussion_r1043054888
##########
be/src/io/cache/sub_file_cache.cpp:
##########
@@ -199,23 +208,29 @@ Status SubFileCache::_get_need_cache_offsets(size_t
offset, size_t req_size,
}
Status SubFileCache::clean_timeout_cache() {
+ SubGcQueue gc_queue;
+ _gc_lru_queue.swap(gc_queue);
std::vector<size_t> timeout_keys;
{
std::shared_lock<std::shared_mutex> rlock(_cache_map_lock);
for (std::map<size_t, int64_t>::const_iterator iter =
_last_match_times.cbegin();
iter != _last_match_times.cend(); ++iter) {
if (time(nullptr) - iter->second > _alive_time_sec) {
timeout_keys.emplace_back(iter->first);
+ } else {
+ auto [cache_file, done_file] = _cache_path(iter->first);
+ _gc_lru_queue.push({iter->first, iter->second});
Review Comment:
_gc_lru_queue is used to gc no timeout cache when the cache file exceeds the
disk limit.
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