presto-hive/src/main/java/io/prestosql/plugin/hive/HiveModule.java/HiveModule/createHiveClientExecutor
class HiveModule:    @ForHive
    @Singleton
    @Provides
    public ExecutorService createHiveClientExecutor(HiveCatalogName catalogName)
    {
        return newCachedThreadPool(daemonThreadsNamed("hive-" + catalogName + "-%s"));
    }