diff --git common/src/java/org/apache/hadoop/hive/conf/HiveConf.java common/src/java/org/apache/hadoop/hive/conf/HiveConf.java index b5e2d86e62..bd5de2efb2 100644 --- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java +++ common/src/java/org/apache/hadoop/hive/conf/HiveConf.java @@ -3794,7 +3794,7 @@ private static void populateLlapDaemonVarsSet(Set llapDaemonVarsSetLocal "LLAP IO memory usage; 'cache' (the default) uses data and metadata cache with a\n" + "custom off-heap allocator, 'none' doesn't use either (this mode may result in\n" + "significant performance degradation)"), - LLAP_ALLOCATOR_MIN_ALLOC("hive.llap.io.allocator.alloc.min", "16Kb", new SizeValidator(), + LLAP_ALLOCATOR_MIN_ALLOC("hive.llap.io.allocator.alloc.min", "4Kb", new SizeValidator(), "Minimum allocation possible from LLAP buddy allocator. Allocations below that are\n" + "padded to minimum allocation. For ORC, should generally be the same as the expected\n" + "compression buffer size, or next lowest power of 2. Must be a power of 2."),