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[HIVE-21505] JDBC: Hive jdbc standalone does not have hadoop-common SASL servers - Hive - [issue]
...Either the detection code should use SASL client classes or the shading should include it.Caused by: java.lang.NoClassDefFoundError: org/apache/hadoop/security/SaslRpcServerat org.apache.had...    Author: Gopal V , 2019-03-25, 21:07
[HADOOP-12956] Inevitable Log4j2 migration via slf4j - Hadoop - [issue]
...5 August 2015 --The Apache Logging Services™ Project Management Committee (PMC) has announced that the Log4j™ 1.x logging framework has reached its end of life (EOL) and is no longer officia...    Author: Gopal V , 2019-03-22, 06:58
[HIVE-21437] Vectorization: Decimal64 division with integer columns - Hive - [issue]
...Vectorizer fails forCREATE temporary TABLE `catalog_Sales`(  `cs_quantity` int,   `cs_wholesale_cost` decimal(7,2),   `cs_list_price` decimal(7,2),   `cs_sales_price` dec...    Author: Gopal V , 2019-03-18, 01:29
[HIVE-21447] Constraints: Adding a constraint twice takes 120+ seconds to fail - Hive - [issue]
...It reconnects to the metastore 24 times before failing without a real reason.There's no useful error returned. alter table customer add constraint ${DB}_c_fsd foreign key  (c_first...    Author: Gopal V , 2019-03-14, 06:14
[HIVE-21368] Vectorization: Unnecessary Decimal64 -> HiveDecimal conversion - Hive - [issue]
...Joins projecting Decimal64 have a suspicious cast in the inner loopConvertDecimal64ToDecimal(col 14:decimal(7,2)/DECIMAL_64) -> 24:decimal(7,2)'create temporary table foo(x int , y decima...    Author: Gopal V , 2019-03-14, 05:18
[HIVE-21339] LLAP: Cache hit also initializes an FS object - Hive - [issue]
...    // 1. Get file metadata from cache, or crea...    Author: Gopal V , 2019-03-09, 17:11
[HIVE-21417] JDBC: standalone jar relocates log4j interface classes - Hive - [issue]
...The relocation of slf4j for ILoggerFactory breaks embedding in JVMs which have an slf4j impl this jar to an existing slf4j env breaks....    Author: Gopal V , 2019-03-09, 02:55
[HIVE-16976] DPP: SyntheticJoinPredicate transitivity for < > and BETWEEN - Hive - [issue]
...Tez DPP does not kick in for scenarios where a user wants to run a comparison clause instead of a JOIN/IN clause.explain select count(1) from store_sales where ss_sold_date_sk > (select m...    Author: Gopal V , 2019-03-07, 18:58
[HDFS-14345] fs.BufferedFSInputStream::read is synchronized - HDFS - [issue]
...BufferedInputStream::read() has performance issues - this can be fixed by wrapping the stream in another non-synchronized buffered inputstream, but that incurs memory copy overheads and is s...    Author: Gopal V , 2019-03-07, 17:23
[HIVE-21294] Vectorization: 1-reducer Shuffle can skip the object hash functions - Hive - [issue]
...VectorReduceSinkObjectHashOperator can skip the object hashing entirely if the reducer count = 1....    Author: Gopal V , 2019-03-07, 07:46