Repository: hive Updated Branches: refs/heads/branch-3 2b5e215e3 -> 66ed015db refs/heads/master 3bac2600f -> 890256356
HIVE-19833 : reduce LLAP IO min allocation to match ORC variable CB size (Sergey Shelukhin, reviewed by Gopal Vijayaraghavan) Project: http://git-wip-us.apache.org/repos/asf/hive/repo Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/89025635 Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/89025635 Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/89025635 Branch: refs/heads/master Commit: 8902563563402820ba489c3782ecb3a77b935dff Parents: 3bac260 Author: sergey <[email protected]> Authored: Mon Jun 11 12:06:55 2018 -0700 Committer: sergey <[email protected]> Committed: Mon Jun 11 12:06:55 2018 -0700 ---------------------------------------------------------------------- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hive/blob/89025635/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java ---------------------------------------------------------------------- diff --git a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java index 1e8a389..8a45b9c 100644 --- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java +++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java @@ -3794,7 +3794,7 @@ public class HiveConf extends Configuration { "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."),
