Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 526A7200BB4 for ; Mon, 17 Oct 2016 21:43:00 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 50F6C160AEC; Mon, 17 Oct 2016 19:43:00 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 78261160AE2 for ; Mon, 17 Oct 2016 21:42:59 +0200 (CEST) Received: (qmail 21850 invoked by uid 500); 17 Oct 2016 19:42:58 -0000 Mailing-List: contact issues-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list issues@hive.apache.org Received: (qmail 21839 invoked by uid 99); 17 Oct 2016 19:42:58 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 17 Oct 2016 19:42:58 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 93A132C0059 for ; Mon, 17 Oct 2016 19:42:58 +0000 (UTC) Date: Mon, 17 Oct 2016 19:42:58 +0000 (UTC) From: "Sergey Shelukhin (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-14970) repeated insert into is broken for buckets (incorrect results for tablesample) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 17 Oct 2016 19:43:00 -0000 [ https://issues.apache.org/jira/browse/HIVE-14970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sergey Shelukhin updated HIVE-14970: ------------------------------------ Summary: repeated insert into is broken for buckets (incorrect results for tablesample) (was: repeated insert into is broken for buckets (incorrect results)) > repeated insert into is broken for buckets (incorrect results for tablesample) > ------------------------------------------------------------------------------ > > Key: HIVE-14970 > URL: https://issues.apache.org/jira/browse/HIVE-14970 > Project: Hive > Issue Type: Bug > Reporter: Sergey Shelukhin > Priority: Critical > > Running on a regular CLI driver > {noformat} > CREATE TABLE src_bucket(key STRING, value STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS; > insert into table src_bucket select key,value from srcpart limit 10; > dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/src_bucket/; > select *, INPUT__FILE__NAME from src_bucket; > select * from src_bucket tablesample (bucket 1 out of 2) s; > select * from src_bucket tablesample (bucket 2 out of 2) s; > insert into table src_bucket select key,value from srcpart limit 10; > dfs -ls ${hiveconf:hive.metastore.warehouse.dir}/src_bucket/; > select *, INPUT__FILE__NAME from src_bucket; > select * from src_bucket tablesample (bucket 1 out of 2) s; > select * from src_bucket tablesample (bucket 2 out of 2) s; > {noformat} > Results in the following (with masking disabled and grepping away the noise). > Looks like bucket mapping completely breaks due to extra files, which may have implications for all the optimizations that depend on them. > This should work or at least fail if this is not supported. > {noformat} > PREHOOK: query: CREATE TABLE src_bucket(key STRING, value STRING) CLUSTERED BY (key) SORTED BY (key) INTO 2 BUCKETS > PREHOOK: query: insert into table src_bucket select key,value from srcpart limit 10 > Found 2 items > -rwxr-xr-x 1 sergey staff 46 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > -rwxr-xr-x 1 sergey staff 68 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > PREHOOK: query: select *, INPUT__FILE__NAME from src_bucket > 165 val_165 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 255 val_255 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 484 val_484 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 86 val_86 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 238 val_238 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 27 val_27 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 278 val_278 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 311 val_311 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 409 val_409 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 98 val_98 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > PREHOOK: query: select * from src_bucket tablesample (bucket 1 out of 2) s > 165 val_165 > 255 val_255 > 484 val_484 > 86 val_86 > PREHOOK: query: select * from src_bucket tablesample (bucket 2 out of 2) s > 238 val_238 > 27 val_27 > 278 val_278 > 311 val_311 > 409 val_409 > 98 val_98 > {noformat} > So far so good. > {noformat} > PREHOOK: query: insert into table src_bucket select key,value from srcpart limit 10 > Found 4 items > -rwxr-xr-x 1 sergey staff 46 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > -rwxr-xr-x 1 sergey staff 46 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 > -rwxr-xr-x 1 sergey staff 68 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > -rwxr-xr-x 1 sergey staff 68 2016-10-14 16:09 pfile:///Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > PREHOOK: query: select *, INPUT__FILE__NAME from src_bucket > 165 val_165 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 255 val_255 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 484 val_484 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 86 val_86 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0 > 165 val_165 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 > 255 val_255 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 > 484 val_484 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 > 86 val_86 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000000_0_copy_1 > 238 val_238 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 27 val_27 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 278 val_278 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 311 val_311 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 409 val_409 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 98 val_98 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0 > 238 val_238 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > 27 val_27 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > 278 val_278 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > 311 val_311 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > 409 val_409 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > 98 val_98 pfile:/Users/sergey/git/hive/itests/qtest/target/warehouse/src_bucket/000001_0_copy_1 > PREHOOK: query: select * from src_bucket tablesample (bucket 1 out of 2) s > 165 val_165 > 255 val_255 > 484 val_484 > 86 val_86 > PREHOOK: query: select * from src_bucket tablesample (bucket 2 out of 2) s > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)