rymurr commented on a change in pull request #2129:
URL: https://github.com/apache/iceberg/pull/2129#discussion_r564278336



##########
File path: 
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveCatalogs.java
##########
@@ -36,4 +38,11 @@ public static HiveCatalog loadCatalog(Configuration conf) {
     String metastoreUri = conf.get(HiveConf.ConfVars.METASTOREURIS.varname, 
"");
     return CATALOG_CACHE.get(metastoreUri, uri -> new HiveCatalog(conf));
   }
+
+  public static HiveCatalog loadCatalog(String catalogName, Map<String, 
String> properties, Configuration conf) {
+    // metastore URI can be null in local mode
+    String metastoreUri = conf.get(HiveConf.ConfVars.METASTOREURIS.varname, 
"");
+    return CATALOG_CACHE.get(metastoreUri, uri -> (HiveCatalog) 
CatalogUtil.loadCatalog(HiveCatalog.class.getName(),
+            catalogName, properties, conf));
+  }

Review comment:
       FWIW, This class has been dropped in other places in favour of 
`CustomCatalogs` or other catalog-name based caching mechanism. So rather than 
cache just the Hive catalog all catalogs are cached by catalog name




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