Apache Kylin 1.5.4 发布，大量修复 bug

Apache Kylin 1.5.4 发布了。

该版本包括漏洞修复，增强功能以及新的功能;它是 V1.5.3 改进版。升级之后，你仍然需要更新协处理器，详情请点击此处。

新特性：

[KYLIN-1732] – Support Window Function
[KYLIN-1767] – UI for TopN: specify encoding and multiple “group by”
[KYLIN-1849] – Search cube by name in Web UI
[KYLIN-1908] – Collect Metrics to JMX
[KYLIN-1921] – Support Grouping Funtions
[KYLIN-1964] – Add a companion tool of CubeMetaExtractor for cube importing

Bug：

[KYLIN-962] – [UI] Cube Designer can’t drag rowkey normally
[KYLIN-1194] – Filter(CubeName) on Jobs/Monitor page works only once
[KYLIN-1488] – When modifying a model, Save after deleting a lookup table. The internal error will pop up.
[KYLIN-1760] – Save query hits org.apache.hadoop.hbase.TableNotFoundException: kylin_metadata_user
[KYLIN-1808] – unload non existing table cause NPE
[KYLIN-1834] – java.lang.IllegalArgumentException: Value not exists! – in Step 4 – Build Dimension Dictionary
[KYLIN-1883] – Consensus Problem when running the tool, MetadataCleanupJob
[KYLIN-1889] – Didn’t deal with the failure of renaming folder in hdfs when running the tool CubeMigrationCLI
[KYLIN-1929] – Error to load slow query in “Monitor” page for non-admin user
[KYLIN-1933] – Deploy in cluster mode, the “query” node report “scheduler has not been started” every second
[KYLIN-1934] – ‘Value not exist’ During Cube Merging Caused by Empty Dict
[KYLIN-1939] – Linkage error while executing any queries
[KYLIN-1942] – Models are missing after change project’s name
[KYLIN-1953] – Error handling for diagnosis
[KYLIN-1956] – Can’t query from child cube of a hybrid cube after its status changed from disabled to enabled
[KYLIN-1961] – Project name is always constant instead of real project name in email notification
[KYLIN-1970] – System Menu UI ACL issue
[KYLIN-1972] – Access denied when query seek to hybrid
[KYLIN-1973] – java.lang.NegativeArraySizeException when Build Dimension Dictionary
[KYLIN-1982] – CubeMigrationCLI: associate model with project
[KYLIN-1986] – CubeMigrationCLI: make global dictionary unique
[KYLIN-1992] – Clear ThreadLocal Contexts when query failed before scaning HBase
[KYLIN-1996] – Keep original column order when designing cube
[KYLIN-1998] – Job engine lock is not release at shutdown
[KYLIN-2003] – error start time at query result page
[KYLIN-2005] – Move all storage side behavior hints to GTScanRequest

改进：

[KYLIN-672] – Add Env and Project Info in job email notification
[KYLIN-1702] – The Key of the Snapshot to the related lookup table may be not informative
[KYLIN-1855] – Should exclude those joins in whose related lookup tables no dimensions are used in cube
[KYLIN-1858] – Remove all InvertedIndex(Streaming purpose) related codes and tests
[KYLIN-1866] – Add tip for field at ‘Add Streaming’ table page.
[KYLIN-1867] – Upgrade dependency libraries
[KYLIN-1874] – Make roaring bitmap version determined
[KYLIN-1898] – Upgrade to Avatica 1.8 or higher
[KYLIN-1904] – WebUI for GlobalDictionary
[KYLIN-1906] – Add more comments and default value for kylin.properties
[KYLIN-1910] – Support Separate HBase Cluster with NN HA and Kerberos Authentication
[KYLIN-1920] – Add view CubeInstance json function
[KYLIN-1922] – Improve the logic to decide whether to pre aggregate on Region server
[KYLIN-1923] – Add access controller to query
[KYLIN-1924] – Region server metrics: replace int type for long type for scanned row count
[KYLIN-1925] – Do not allow cross project clone for cube
[KYLIN-1926] – Loosen the constraint on FK-PK data type matching
[KYLIN-1936] – Improve enable limit logic (exactAggregation is too strict)
[KYLIN-1940] – Add owner for DataModel
[KYLIN-1941] – Show submitter for slow query
[KYLIN-1954] – BuildInFunctionTransformer should be executed per CubeSegmentScanner
[KYLIN-1963] – Delegate the loading of certain package (like slf4j) to tomcat’s parent classloader
[KYLIN-1965] – Check duplicated measure name
[KYLIN-1966] – Refactor IJoinedFlatTableDesc
[KYLIN-1979] – Move hackNoGroupByAggregation to cube-based storage implementations
[KYLIN-1984] – Don’t use compression in packaging configuration
[KYLIN-1985] – SnapshotTable should only keep the columns described in tableDesc
[KYLIN-1997] – Add pivot feature back in query result page
[KYLIN-2004] – Make the creating intermediate hive table steps configurable (two options)