julianhyde commented on code in PR #2698: URL: https://github.com/apache/calcite/pull/2698#discussion_r847287727
########## elasticsearch/src/main/java/org/apache/calcite/adapter/elasticsearch/ElasticsearchSchemaFactory.java: ########## @@ -53,6 +60,24 @@ private static final Logger LOGGER = LoggerFactory.getLogger(ElasticsearchSchemaFactory.class); + // RestClient objects allocate system resources and are thread safe. Here, we + // cache them using a key derived from the hashCode()s of the parameters that + // define a RestClient. + private static Cache<Integer, RestClient> REST_CLIENTS = CacheBuilder.newBuilder() Review Comment: I’m surprised this isn’t final. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
