On 8/10/07, Wu, Daniel <[EMAIL PROTECTED]> wrote: > I have some concern with solr using hard link to perform snapshot and > backup on the indexing box. > > When referring to snapshot in contexts other than solr, it usually mean > some database state which can be revert to when necessary. Since solr > use hard link to create snapshot on the master indexing box, the older > snapshot image could change if Lucene changed any file shared between > the index directory and the snapshot directory.
Right. By design, lucene never changes index files it has written. Some files, like .del files for deleted documents, can be completely replaced however. -Yonik
