szehon-ho commented on code in PR #6698: URL: https://github.com/apache/iceberg/pull/6698#discussion_r1131801430
########## hive-metastore/src/main/java/org/apache/iceberg/hive/CachedClientPool.java: ########## @@ -53,12 +70,14 @@ public class CachedClientPool implements ClientPool<IMetaStoreClient, TException properties, CatalogProperties.CLIENT_POOL_CACHE_EVICTION_INTERVAL_MS, CatalogProperties.CLIENT_POOL_CACHE_EVICTION_INTERVAL_MS_DEFAULT); + this.keySuppliers = Review Comment: While I like the keySupplier idea, wouldn't it be much simpler if we just use a static map of suppliers, like: ``` static final Map<String, Supplier> keySuppliers = ImmutableMap.of( "uri", () -> { try { return UserGroupInformation.getCurrentUser(); } catch (IOException e) { throw new UncheckedIOException(e); } }), "user_name" -> { () -> { try { String userName = UserGroupInformation.getCurrentUser().getUserName(); return UserNameElement.of(userName); } catch (IOException e) { throw new UncheckedIOException(e); } }); } ``` (as i dont see any need to generate this on the fly.) And then here in CachedClientPool CTOR, we can just apply keySuppliers on the conf to make a Key instead? -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org