freemandealer commented on code in PR #49199:
URL: https://github.com/apache/doris/pull/49199#discussion_r2000457960
##########
be/src/io/cache/fs_file_cache_storage.cpp:
##########
@@ -700,22 +700,36 @@ void
FSFileCacheStorage::load_blocks_directly_unlocked(BlockFileCache* mgr, cons
}
Status FSFileCacheStorage::clear(std::string& msg) {
+ LOG(INFO) << "clear file storage, path=" << _cache_base_path;
+ std::error_code ec;
+ std::filesystem::directory_iterator key_it {_cache_base_path, ec};
+ if (ec) {
+ LOG(WARNING) << "Failed to list directory: " << _cache_base_path
+ << ", error: " << ec.message();
+ return Status::InternalError("Failed to list dir {}: {}",
_cache_base_path, ec.message());
+ }
+ int failed = 0;
+ int total = 0;
+ auto t0 = std::chrono::steady_clock::now();
+ for (; key_it != std::filesystem::directory_iterator(); ++key_it) {
Review Comment:
concurrency problem: what if more than one clear thread? this
directory_iterator would crash
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