yiguolei commented on a change in pull request #1976: And multi-path in
RowsetGraph
URL: https://github.com/apache/incubator-doris/pull/1976#discussion_r334337832
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File path: be/src/olap/tablet.cpp
##########
@@ -1134,4 +950,42 @@ OLAPStatus
Tablet::generate_tablet_meta_copy(TabletMetaSharedPtr new_tablet_meta
return OLAP_SUCCESS;
}
+OLAPStatus Tablet::capture_unused_rowsets() {
+ Version max_version_before_hole;
+ VersionHash v_hash;
+
+ WriteLock wrlock(&_meta_lock);
+
RETURN_NOT_OK(max_continuous_version_from_begining_unlock(&max_version_before_hole,
&v_hash));
+
+ std::vector<Version> shortest_version_path;
+ RETURN_NOT_OK(_rs_graph.capture_consistent_versions(Version(0,
max_version_before_hole.second), &shortest_version_path));
+
+ std::vector<std::pair<Version, RowsetSharedPtr>> rowsets_to_remove;
+ for (auto& it : _rs_version_map) {
+ if (it.second->start_version() > max_version_before_hole.second) {
+ // There are only one path after hole in versions.
+ continue;
+ }
+ bool in_path = false;
+ for (auto& version : shortest_version_path) {
+ if (it.second->start_version() == version.first
+ && it.second->end_version() == version.second) {
Review comment:
use start_version() == version
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