Apache Kylin : Analytical Data Warehouse for Big Data
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TRIVIAL PROCESS 4.0.0-ALPHA TRIVIAL PROCESS 4.0.0-ALPHA MINOR PROCESS 4.0.0-ALPHA TRIVIAL PROCESS The content summary objects returned by different cloud vendors are not the same, so need to provide targeted implementation. 4.0.0-ALPHA TRIVIAL PROCESS 4.0.0-ALPHA TRIVIAL PROCESS UPDATING 4.0.0-ALPHA MEDIUM PROCESS UPDATING 4.0.0-ALPHA MEDIUM PROCESS MEDIUM PROCESS 4.0.0-ALPHA MEDIUM PROCESS UPDATING 4.0.0-ALPHA MEDIUM PROCESS 4.0.0-ALPHA MAJOR PROCESS MAJOR PROCESS UPDATING MINOR PROCESS 4.0.0-ALPHA MAJOR PROCESS Set HADOOP_CONF_DIR for spark-submit. 4.0.0-ALPHA MAJOR CUBE The max size of pre-calcualted cuboid parquet file. 4.0.0-ALPHA MAJOR CUBE 2500000 4.0.0-ALPHA MAJOR CUBE 4.0.0-ALPHA MEDIUM PROCESS 4.0.0-ALPHAProperty Importance
Datatype Configuration Level Default Description Version Reference kylin.engine.spark.build-class-name
String org.apache.kylin.engine.spark.job.CubeBuildJob
For developer only. The className use in spark-submit kylin.engine.spark.cluster-info-fetcher-class-name
String org.apache.kylin.cluster.YarnInfoFetcher
For developer only. Fetch yarn information of spark job kylin.engine.spark-conf.XXX
String kylin.engine.spark-conf.spark.driver.extraJavaOptions=-Dhdp.version=current
Adaptively-adjust-spark-parameters kylin.storage.provider
String org.apache.kylin.common.storage.DefaultStorageProvider
You can refer to this to learn more : org.apache.kylin.common.storage.IStorageProvider
kylin.engine.spark.merge-class-name
String org.apache.kylin.engine.spark.job.CubeMergeJob
For developer only. The className use in spark-submit kylin.engine.spark.task-impact-instance-enabled
Boolean true Adaptively-adjust-spark-parameters kylin.engine.spark.task-core-factor
Integer 3 kylin.engine.driver-memory-base
Integer 1024 Auto adujst spark.driver.memory for Build Engine if kylin.engine.spark-conf.spark.driver.memory is not set.
4.0.0-ALPHAAdaptively-adjust-spark-parameters kylin.engine.driver-memory-strategy
Array {"2", "20", "100"}
UPDATING
kylin.engine.driver-memory-maximum
Integer 4096 kylin.engine.persist-flattable-threshold
Integer 1 If the number of cuboids which will be build from flat table is bigger than this threshold, the flat table will be persisted into $HDFS_WORKING_DIR/job_tmp/flat_table for saving more memory. kylin.snapshot.parallel-build-timeout-seconds
Integer 3600
To improve the speed of snapshot build.
4.0.0-ALPHAkylin.snapshot.parallel-build-enabled
Boolean true kylin.spark-conf.auto.prior
Boolean true Enable adjust spark parameters adaptively. Adaptively-adjust-spark-parameters kylin.engine.submit-hadoop-conf-dir
String /etc/hadoop/conf kylin.storage.columnar.shard-size-mb
Integer 128 ShardBy kylin.storage.columnar.shard-rowcount
Long The max rows of pre-calcualted cuboid parquet file. kylin.storage.columnar.shard-countdistinct-rowcount
Long 1000000 The max rows of pre-calcualted cuboid parquet file when cuboid has bitmap measure. (When cuboid has BItmap, it is large.) kylin.query.spark-engine.join-memory-fraction
Double 0.3 Limit memory used by broadcast join of Sparder. (Broadcast join cause unstable.)
File Name | Content | Comment |
---|---|---|
cubing_detect_items.json | ||
sampling_detect_items.json | ||
count_distinct.json | true/false | |
resource_paths.json | ||