gavinchou commented on code in PR #48786:
URL: https://github.com/apache/doris/pull/48786#discussion_r1983610695
##########
be/src/olap/rowset/segment_v2/page_io.cpp:
##########
@@ -229,5 +235,50 @@ Status PageIO::read_and_decompress_page_(const
PageReadOptions& opts, PageHandle
return Status::OK();
}
+io::UInt128Wrapper file_cache_key_from_path(const std::string& seg_path) {
+ std::string base = seg_path.substr(seg_path.rfind('/') + 1); // tricky:
npos + 1 == 0
+ return io::BlockFileCache::hash(base);
+}
+
+std::string file_cache_key_str(const std::string& seg_path) {
+ return file_cache_key_from_path(seg_path).to_string();
+}
+
+Status PageIO::read_and_decompress_page_with_file_cache_retry(const
PageReadOptions& opts,
Review Comment:
where is this function is called?
##########
be/src/olap/rowset/segment_v2/page_io.cpp:
##########
@@ -229,5 +235,50 @@ Status PageIO::read_and_decompress_page_(const
PageReadOptions& opts, PageHandle
return Status::OK();
}
+io::UInt128Wrapper file_cache_key_from_path(const std::string& seg_path) {
Review Comment:
is it mandatory to introduce file cache to PageIO?
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