PID file of the Kyuubi server instance. work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. 1.4. Running Kyuubi As mentioned above, for a quick start deployment engine.share.le vel.sub.domain SERVER: the App will be shared by Kyuubi servers strin g 1.2 .0 kyuubi.engine.share .level.sub.domain Allow end-users to create a sub-domain for the share level of an engine. A sub- domain is a case-insensitive string values in ^[a-zA-Z_] {1,10}$ form. For example, for USER share level, an end-user can share a certain engine within a sub- domain, not for all

PID file of the Kyuubi server instance. work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. 1.4. Running Kyuubi As mentioned above, for a quick start deployment engine.share.le vel.sub.domain SERVER: the App will be shared by Kyuubi servers strin g 1.2 .0 kyuubi.engine.share .level.sub.domain Allow end-users to create a sub-domain for the share level of an engine. A sub- domain is a case-insensitive string values in ^[a-zA-Z_] {1,10}$ form. For example, for USER share level, an end-user can share a certain engine within a sub- domain, not for all

file of the Kyuubi server instance. • work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. 14 Chapter 6. High Availability Kyuubi, Release 1.3.0 Running Kyuubi Release 1.3.0 Tips Turn on AQE by default can significantly improve the user experience. Other sub-features are all enabled. advisoryPartitionSizeInBytes is targeting the HDFS block size minPartitionNum based on Apache Maven, ./build/mvn clean package -DskipTests This results in the creation of all sub-modules of Kyuubi project without running any unit test. If you want to test it manually, you can

file of the Kyuubi server instance. • work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. 14 Chapter 6. High Availability Kyuubi, Release 1.3.0 Running Kyuubi Release 1.3.0 Tips Turn on AQE by default can significantly improve the user experience. Other sub-features are all enabled. advisoryPartitionSizeInBytes is targeting the HDFS block size minPartitionNum based on Apache Maven, ./build/mvn clean package -DskipTests This results in the creation of all sub-modules of Kyuubi project without running any unit test. If you want to test it manually, you can

file of the Kyuubi server instance. • work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. Running Kyuubi As mentioned above, for a quick start deployment, then 4.1-incubating Tips Turn on AQE by default can significantly improve the user experience. Other sub-features are all enabled. advisoryPartitionSizeInBytes is targeting the HDFS block size minPartitionNum The latter has higher priority. • kyuubi.engine.share.level.subdomain(kyuubi.engine.share.level.sub.domain) – Default: – Candidates: a valid zookeeper a child node – Meaning: Add a subdomain under

file of the Kyuubi server instance. • work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. Running Kyuubi As mentioned above, for a quick start deployment, then Release 1.3.0 Tips Turn on AQE by default can significantly improve the user experience. Other sub-features are all enabled. advisoryPartitionSizeInBytes is targeting the HDFS block size minPartitionNum The latter has higher priority. • kyuubi.engine.share.level.subdomain(kyuubi.engine.share.level.sub.domain) – Default: – Candidates: a valid zookeeper a child node – Meaning: Add a subdomain under

PID file of the Kyuubi server instance. work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. 1.4. Running Kyuubi As mentioned above, for a quick start deployment fallback to the USER level. SERVER: the App will be shared by Kyuubi servers kyuubi.engine.share .level.sub.domain (deprecated) - Using kyuubi.engine.share.level.s ubdomain instead strin g 1 level of an engine. A subdomain is a case- insensitive string values that must be a valid zookeeper sub path. For example, for USER share level, an end-user can share a certain engine within a subdomain

PID file of the Kyuubi server instance. work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. 1.4. Running Kyuubi As mentioned above, for a quick start deployment fallback to the USER level. SERVER: the App will be shared by Kyuubi servers kyuubi.engine.share .level.sub.domain (deprecated) - Using kyuubi.engine.share.level.s ubdomain instead strin g 1 level of an engine. A subdomain is a case- insensitive string values that must be a valid zookeeper sub path. For example, for USER share level, an end-user can share a certain engine within a subdomain

file of the Kyuubi server instance. • work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. Running Kyuubi As mentioned above, for a quick start deployment, then The latter has higher priority. • kyuubi.engine.share.level.subdomain(kyuubi.engine.share.level.sub.domain) – Default: – Candidates: a valid zookeeper a child node – Meaning: Add a subdomain under 5.0-incubating Tips Turn on AQE by default can significantly improve the user experience. Other sub-features are all enabled. advisoryPartitionSizeInBytes is targeting the HDFS block size minPartitionNum

file of the Kyuubi server instance. • work: the root of the working directories of all the forked sub-processes, a.k.a. SQL engines. Running Kyuubi As mentioned above, for a quick start deployment, then The latter has higher priority. • kyuubi.engine.share.level.subdomain(kyuubi.engine.share.level.sub.domain) – Default: – Candidates: a valid zookeeper a child node – Meaning: Add a subdomain under 5.1-incubating Tips Turn on AQE by default can significantly improve the user experience. Other sub-features are all enabled. advisoryPartitionSizeInBytes is targeting the HDFS block size minPartitionNum