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common/src/java/org/apache/hadoop/hive/conf/HiveConf.java (lines 3091 - 3092) <https://reviews.apache.org/r/50359/#comment211495> Tiny nit: Either make "It" lowercase or move the parenthetical sentence after the first sentence, with a final period like this: "Enable the use of scratch directories directly on blob storage systems. (It may cause performance penalties.)" - Lefty Leverenz On Aug. 9, 2016, 7:53 p.m., Sergio Pena wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/50359/ > ----------------------------------------------------------- > > (Updated Aug. 9, 2016, 7:53 p.m.) > > > Review request for hive. > > > Bugs: HIVE-14270 > https://issues.apache.org/jira/browse/HIVE-14270 > > > Repository: hive-git > > > Description > ------- > > This patch will create a temporary directory for Hive intermediate data on > HDFS when S3 tables are used. > > > Diffs > ----- > > common/src/java/org/apache/hadoop/hive/common/BlobStorageUtils.java > PRE-CREATION > common/src/java/org/apache/hadoop/hive/conf/HiveConf.java > 9f5f619359701b948f57d599a5bdc2ecbdff280a > common/src/test/org/apache/hadoop/hive/common/TestBlobStorageUtils.java > PRE-CREATION > ql/src/java/org/apache/hadoop/hive/ql/Context.java > 89893eba9fd2316b9a393f06edefa837bb815faf > ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java > 5bd78862e1064d7f64a5d764571015a8df1101e8 > ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java > a01a7bdbfec962b6617e98091cdb1325c5b0e84f > ql/src/test/org/apache/hadoop/hive/ql/exec/TestContext.java PRE-CREATION > > Diff: https://reviews.apache.org/r/50359/diff/ > > > Testing > ------- > > NO PATCH > ** NON-PARTITIONED TABLE > > - create table dummy (id int); > 3.651s > - insert into table s3dummy values (1); > 39.231s > - insert overwrite table s3dummy values (1); > 42.569s > - insert overwrite directory 's3a://spena-bucket/dirs/s3dummy' select * from > dummy; 30.136s > > EXTERNAL TABLE > > - create table s3dummy_ext like s3dummy location > 's3a://spena-bucket/user/hive/warehouse/s3dummy'; 9.297s > - insert into table s3dummy_ext values (1); > 45.855s > > WITH PATCH > > ** NON-PARTITIONED TABLE > - create table s3dummy (id int) location > 's3a://spena-bucket/user/hive/warehouse/s3dummy'; 3.945s > - insert into table s3dummy values (1); > 15.025s > - insert overwrite table s3dummy values (1); > 25.149s > - insert overwrite directory 's3a://spena-bucket/dirs/s3dummy' select * from > dummy; 19.158s > - from dummy insert overwrite table s3dummy select *; > 25.469s > - from dummy insert into table s3dummy select *; > 14.501s > > ** EXTERNAL TABLE > - create table s3dummy_ext like s3dummy location > 's3a://spena-bucket/user/hive/warehouse/s3dummy'; 4.827s > - insert into table s3dummy_ext values (1); > 16.070s > > ** PARTITIONED TABLE > - create table s3dummypart (id int) partitioned by (part int) > location 's3a://spena-bucket/user/hive/warehouse/s3dummypart'; > 3.176s > - alter table s3dummypart add partition (part=1); > 3.229s > - alter table s3dummypart add partition (part=2); > 3.124s > - insert into table s3dummypart partition (part=1) values (1); > 14.876s > - insert overwrite table s3dummypart partition (part=1) values (1); > 27.594s > - insert overwrite directory 's3a://spena-bucket/dirs/s3dummypart' select * > from dummypart; 22.298s > - from dummypart insert overwrite table s3dummypart partition (part=1) select > id; 29.001s > - from dummypart insert into table s3dummypart partition (part=1) select id; > 14.869s > > ** DYNAMIC PARTITIONS > - insert into table s3dummypart partition (part) select id, 1 from dummypart; > 15.185s > - insert into table s3dummypart partition (part) select id, 1 from dummypart; > 18.820s > > > Thanks, > > Sergio Pena > >
