Apache Kylin v1.6.0 发布了。Kylin 是一个开源的分布式的 OLAP 分析引擎，来自 eBay 公司开发，基于 Hadoop 提供 SQL 接口和 OLAP 接口，支持 TB 到 PB 级别的数据量。它具有以下特性： 超级快的 OLAP 引擎，具备可伸缩性 为 Hadoop 提供 ANSI-SQL 接口 交互式查询能力 MOLAP Cube 可与其他 BI 工具无缝集成，如 Tableau，而 Microstrategy 和 Excel 将很快推出 本次更新主要内容： 新特性： [KYLIN-1726] - Scalable streaming cubing [KYLIN-1919] - Support Embedded Structure when Parsing Streaming Message [KYLIN-2055] - Add an encoder for Boolean type [KYLIN-2067] - Add API to check and fill segment holes [KYLIN-2079] - add explicit configuration knob for coprocessor timeout [KYLIN-2088] - Support intersect count for calculation of retention or conversion rates [KYLIN-2125] - Support using beeline to load hive table metadata bug 修复： [KYLIN-1565] - Read the kv max size from HBase config [KYLIN-1820] - Column autocomplete should remove the user input in model designer [KYLIN-1828] - java.lang.StringIndexOutOfBoundsException in org.apache.kylin.storage.hbase.util.StorageCleanupJob [KYLIN-1967] - Dictionary rounding can cause IllegalArgumentException in GTScanRangePlanner [KYLIN-1978] - kylin.sh compatible issue on Ubuntu [KYLIN-1990] - The SweetAlert at the front page may out of the page if the content is too long. [KYLIN-2007] - CUBOID_CACHE is not cleared when rebuilding ALL cache [KYLIN-2012] - more robust approach to hive schema changes [KYLIN-2024] - kylin TopN only support the first measure [KYLIN-2027] - Error “connection timed out” occurs when zookeeper’s port is set in hbase.zookeeper.quorum of hbase-site.xml [KYLIN-2028] - find-*-dependency script fail on Mac OS [KYLIN-2035] - Auto Merge Submit Continuously [KYLIN-2041] - Wrong parameter definition in Get Hive Tables REST API [KYLIN-2043] - Rollback httpclient to 4.2.5 to align with Hadoop 2.6/2.7 [KYLIN-2044] - Unclosed DataInputByteBuffer in BitmapCounter#peekLength [KYLIN-2045] - Wrong argument order in JobInstanceExtractor#executeExtract() [KYLIN-2047] - Ineffective null check in MetadataManager [KYLIN-2050] - Potentially ineffective call to close() in QueryCli [KYLIN-2051] - Potentially ineffective call to IOUtils.closeQuietly() [KYLIN-2052] - Edit “Top N” measure, the “group by” column wasn’t displayed [KYLIN-2059] - Concurrent build issue in CubeManager.calculateToBeSegments() [KYLIN-2069] - NPE in LookupStringTable [KYLIN-2078] - Can’t see generated SQL at Web UI [KYLIN-2084] - Unload sample table failed [KYLIN-2085] - PrepareStatement return incorrect result in some cases [KYLIN-2086] - Still report error when there is more than 12 dimensions in one agg group [KYLIN-2093] - Clear cache in CubeMetaIngester [KYLIN-2097] - Get ‘Column does not exist in row key desc” on cube has TopN measure [KYLIN-2099] - Import table error of sample table KYLIN_CAL_DT [KYLIN-2106] - UI bug - Advanced Settings - Rowkeys - new Integer dictionary encoding - could possibly impact also cube metadata [KYLIN-2109] - Deploy coprocessor only this server own the table [KYLIN-2110] - Ineffective comparison in BooleanDimEnc#equals() [KYLIN-2114] - WEB-Global-Dictionary bug fix and improve [KYLIN-2115] - some extended column query returns wrong answer [KYLIN-2116] - when hive field delimitor exists in table field values, fields order is wrong [KYLIN-2119] - Wrong chart value and sort when process scientific notation [KYLIN-2120] - kylin1.5.4.1 with cdh5.7 cube sql Oops Faild to take action [KYLIN-2121] - Failed to pull data to PowerBI or Excel on some query [KYLIN-2127] - UI bug fix for Extend Column [KYLIN-2130] - QueryMetrics concurrent bug fix [KYLIN-2132] - Unable to pull data from Kylin Cube ( learn_kylin cube ) to Excel or Power BI for Visualization and some dimensions are not showing up. [KYLIN-2134] - Kylin will treat empty string as NULL by mistake [KYLIN-2137] - Failed to run mr job when user put a kafka jar in hive’s lib folder [KYLIN-2138] - Unclosed ResultSet in BeelineHiveClient [KYLIN-2146] - “Streaming Cluster” page should remove “Margin” inputbox [KYLIN-2152] - TopN group by column does not distinguish between NULL and “” [KYLIN-2154] - source table rows will be skipped if TOPN’s group column contains NULL values [KYLIN-2158] - Delete joint dimension not right [KYLIN-2159] - Redistribution Hive Table Step always requires row_count filename as 000000_0 [KYLIN-2167] - FactDistinctColumnsReducer may get wrong max/min partition col value [KYLIN-2173] - push down limit leads to wrong answer when filter is loosened [KYLIN-2178] - CubeDescTest is unstable [KYLIN-2201] - Cube desc and aggregation group rule combination max check fail [KYLIN-2226] - Build Dimension Dictionary Error 更多改进内容请点击更新日志。 下载地址： apache-kylin-1.6.0-src.tar.gz Apache Kylin v1.6.0 发布下载地址
