tflobbe commented on a change in pull request #1297: SOLR-14253 Replace various sleep calls with ZK waits URL: https://github.com/apache/lucene-solr/pull/1297#discussion_r385436558
########## File path: solr/core/src/java/org/apache/solr/cloud/api/collections/OverseerCollectionMessageHandler.java ########## @@ -471,29 +471,21 @@ void checkResults(String label, NamedList<Object> results, boolean failureIsFata private void migrateStateFormat(ClusterState state, ZkNodeProps message, NamedList results) throws Exception { final String collectionName = message.getStr(COLLECTION_PROP); - boolean firstLoop = true; - // wait for a while until the state format changes - TimeOut timeout = new TimeOut(30, TimeUnit.SECONDS, timeSource); - while (! timeout.hasTimedOut()) { - DocCollection collection = zkStateReader.getClusterState().getCollection(collectionName); - if (collection == null) { - throw new SolrException(ErrorCode.BAD_REQUEST, "Collection: " + collectionName + " not found"); - } - if (collection.getStateFormat() == 2) { - // Done. - results.add("success", new SimpleOrderedMap<>()); - return; - } + ZkNodeProps m = new ZkNodeProps(Overseer.QUEUE_OPERATION, MIGRATESTATEFORMAT.toLower(), COLLECTION_PROP, collectionName); + overseer.offerStateUpdate(Utils.toJSON(m)); - if (firstLoop) { - // Actually queue the migration command. - firstLoop = false; - ZkNodeProps m = new ZkNodeProps(Overseer.QUEUE_OPERATION, MIGRATESTATEFORMAT.toLower(), COLLECTION_PROP, collectionName); - overseer.offerStateUpdate(Utils.toJSON(m)); - } - timeout.sleep(100); + try { + zkStateReader.waitForState(collectionName, 30, TimeUnit.SECONDS, c -> { Review comment: same comment/questions as with the other methods ---------------------------------------------------------------- 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: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org