mikemccand commented on a change in pull request #688: LUCENE-8813: Ensure we never apply deletes from a closed DWPTDeleteQueue URL: https://github.com/apache/lucene-solr/pull/688#discussion_r288153694
########## File path: lucene/core/src/java/org/apache/lucene/index/DocumentsWriter.java ########## @@ -168,27 +168,28 @@ long updateDocValues(DocValuesUpdate... updates) throws IOException { } private synchronized long applyDeleteOrUpdate(ToLongFunction<DocumentsWriterDeleteQueue> function) throws IOException { - // TODO why is this synchronized? + // This method is synchronized to make sure we don't replace the deleteQueue while applying this update / delete + // otherwise we might loose an update / delete if this happens concurrently to a full flush. Review comment: `loose` -> `lose` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org