xiaokang commented on code in PR #16758:
URL: https://github.com/apache/doris/pull/16758#discussion_r1106530628
##########
be/src/olap/rowset/segment_v2/inverted_index_cache.cpp:
##########
@@ -49,6 +49,19 @@ void
InvertedIndexSearcherCache::create_global_instance(size_t capacity, uint32_
InvertedIndexSearcherCache::InvertedIndexSearcherCache(size_t capacity,
uint32_t num_shards)
:
_mem_tracker(std::make_unique<MemTracker>("InvertedIndexSearcherCache")) {
SCOPED_CONSUME_MEM_TRACKER(_mem_tracker.get());
+ uint64_t fd_number = config::min_file_descriptor_number;
+ struct rlimit l;
+ int ret = getrlimit(RLIMIT_NOFILE, &l);
+ if (ret != 0) {
+ LOG(WARNING) << "call getrlimit() failed. errno=" << strerror(errno)
+ << ", use default configuration instead.";
+ } else {
+ fd_number = static_cast<uint64_t>(l.rlim_cur);
+ }
+
+ uint64_t open_searcher_limit = fd_number / 3 * 2;
Review Comment:
It's better to use a dedicated config, and check it's less than
min_file_descriptor_number.
##########
be/src/olap/lru_cache.h:
##########
@@ -322,6 +324,9 @@ class LRUCache {
// Separate from constructor so caller can easily make an array of LRUCache
void set_capacity(size_t capacity) { _capacity = capacity; }
+ void set_element_count_limit(uint32_t element_count_limit) {
+ _element_count_limit = element_count_limit;
Review Comment:
suggest a name _count_capacity
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