sukiand commented on code in PR #12126:
URL: https://github.com/apache/lucene/pull/12126#discussion_r1105037958
##########
lucene/core/src/java/org/apache/lucene/index/IndexFileDeleter.java:
##########
@@ -225,24 +222,18 @@ public IndexFileDeleter(
// Now delete anything with ref count at 0. These are
// presumably abandoned files eg due to crash of
// IndexWriter.
- Set<String> toDelete = new HashSet<>();
- for (Map.Entry<String, RefCount> entry : refCounts.entrySet()) {
- RefCount rc = entry.getValue();
- final String fileName = entry.getKey();
- if (0 == rc.count) {
- // A segments_N file should never have ref count 0 on init:
- if (fileName.startsWith(IndexFileNames.SEGMENTS)) {
- throw new IllegalStateException(
- "file \"" + fileName + "\" has refCount=0, which should never
happen on init");
- }
- if (infoStream.isEnabled("IFD")) {
- infoStream.message("IFD", "init: removing unreferenced file \"" +
fileName + "\"");
- }
- toDelete.add(fileName);
+ Set<String> toDelete = fileDeleter.getUnrefedFiles();
+ for (String fileName : toDelete) {
+ if (fileName.startsWith(IndexFileNames.SEGMENTS)) {
+ throw new IllegalStateException(
+ "file \"" + fileName + "\" has refCount=0, which should never
happen on init");
+ }
+ if (infoStream.isEnabled("IFD")) {
+ infoStream.message("IFD", "init: removing unreferenced file \"" +
fileName + "\"");
}
}
- deleteFiles(toDelete);
+ fileDeleter.deleteFilesIfNoRef(toDelete);
Review Comment:
we get toDelete from `fileDeleter` as well. should this part of code be
encaptulated into `fileDeleter` as a whole. like call fileDeleter.clean() or
sth.
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