diff --git a/docs/configuration/settings.md b/docs/configuration/settings.md index f7d61812cc7..2673a6903ae 100644 --- a/docs/configuration/settings.md +++ b/docs/configuration/settings.md @@ -120,82 +120,82 @@ You can configure the Kyuubi properties in `$KYUUBI_HOME/conf/kyuubi-defaults.co ### Engine -| Key | Default | Meaning | Type | Since | -|----------------------------------------------------------|---------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|-------| -| kyuubi.engine.chat.extra.classpath | <undefined> | The extra classpath for the Chat engine, for configuring the location of the SDK and etc. | string | 1.8.0 | -| kyuubi.engine.chat.gpt.apiKey | <undefined> | The key to access OpenAI open API, which could be got at https://platform.openai.com/account/api-keys | string | 1.8.0 | -| kyuubi.engine.chat.gpt.http.connect.timeout | PT2M | The timeout[ms] for establishing the connection with the Chat GPT server. A timeout value of zero is interpreted as an infinite timeout. | duration | 1.8.0 | -| kyuubi.engine.chat.gpt.http.proxy | <undefined> | HTTP proxy url for API calling in Chat GPT engine. e.g. http://127.0.0.1:1087 | string | 1.8.0 | -| kyuubi.engine.chat.gpt.http.socket.timeout | PT2M | The timeout[ms] for waiting for data packets after Chat GPT server connection is established. A timeout value of zero is interpreted as an infinite timeout. | duration | 1.8.0 | -| kyuubi.engine.chat.gpt.model | gpt-3.5-turbo | ID of the model used in ChatGPT. Available models refer to OpenAI's [Model overview](https://platform.openai.com/docs/models/overview). | string | 1.8.0 | -| kyuubi.engine.chat.java.options | <undefined> | The extra Java options for the Chat engine | string | 1.8.0 | -| kyuubi.engine.chat.memory | 1g | The heap memory for the Chat engine | string | 1.8.0 | -| kyuubi.engine.chat.provider | ECHO | The provider for the Chat engine. Candidates: | string | 1.8.0 | -| kyuubi.engine.connection.url.use.hostname | true | (deprecated) When true, the engine registers with hostname to zookeeper. When Spark runs on K8s with cluster mode, set to false to ensure that server can connect to engine | boolean | 1.3.0 | -| kyuubi.engine.deregister.exception.classes || A comma-separated list of exception classes. If there is any exception thrown, whose class matches the specified classes, the engine would deregister itself. | set | 1.2.0 | -| kyuubi.engine.deregister.exception.messages || A comma-separated list of exception messages. If there is any exception thrown, whose message or stacktrace matches the specified message list, the engine would deregister itself. | set | 1.2.0 | -| kyuubi.engine.deregister.exception.ttl | PT30M | Time to live(TTL) for exceptions pattern specified in kyuubi.engine.deregister.exception.classes and kyuubi.engine.deregister.exception.messages to deregister engines. Once the total error count hits the kyuubi.engine.deregister.job.max.failures within the TTL, an engine will deregister itself and wait for self-terminated. Otherwise, we suppose that the engine has recovered from temporary failures. | duration | 1.2.0 | -| kyuubi.engine.deregister.job.max.failures | 4 | Number of failures of job before deregistering the engine. | int | 1.2.0 | -| kyuubi.engine.event.json.log.path | file:///tmp/kyuubi/events | The location where all the engine events go for the built-in JSON logger. | string | 1.3.0 | -| kyuubi.engine.event.loggers | SPARK | A comma-separated list of engine history loggers, where engine/session/operation etc events go. Note that: Kyuubi supports custom event handlers with the Java SPI. To register a custom event handler, the user needs to implement a subclass of `org.apache.kyuubi.events.handler.CustomEventHandlerProvider` which has a zero-arg constructor. | seq | 1.3.0 | -| kyuubi.engine.flink.application.jars | <undefined> | A comma-separated list of the local jars to be shipped with the job to the cluster. For example, SQL UDF jars. Only effective in yarn application mode. | string | 1.8.0 | -| kyuubi.engine.flink.extra.classpath | <undefined> | The extra classpath for the Flink SQL engine, for configuring the location of hadoop client jars, etc. Only effective in yarn session mode. | string | 1.6.0 | -| kyuubi.engine.flink.java.options | <undefined> | The extra Java options for the Flink SQL engine. Only effective in yarn session mode. | string | 1.6.0 | -| kyuubi.engine.flink.memory | 1g | The heap memory for the Flink SQL engine. Only effective in yarn session mode. | string | 1.6.0 | -| kyuubi.engine.hive.event.loggers | JSON | A comma-separated list of engine history loggers, where engine/session/operation etc events go. | seq | 1.7.0 | -| kyuubi.engine.hive.extra.classpath | <undefined> | The extra classpath for the Hive query engine, for configuring location of the hadoop client jars and etc. | string | 1.6.0 | -| kyuubi.engine.hive.java.options | <undefined> | The extra Java options for the Hive query engine | string | 1.6.0 | -| kyuubi.engine.hive.memory | 1g | The heap memory for the Hive query engine | string | 1.6.0 | -| kyuubi.engine.initialize.sql | SHOW DATABASES | SemiColon-separated list of SQL statements to be initialized in the newly created engine before queries. i.e. use `SHOW DATABASES` to eagerly active HiveClient. This configuration can not be used in JDBC url due to the limitation of Beeline/JDBC driver. | seq | 1.2.0 | -| kyuubi.engine.jdbc.connection.password | <undefined> | The password is used for connecting to server | string | 1.6.0 | -| kyuubi.engine.jdbc.connection.propagateCredential | false | Whether to use the session's user and password to connect to database | boolean | 1.8.0 | -| kyuubi.engine.jdbc.connection.properties || The additional properties are used for connecting to server | seq | 1.6.0 | -| kyuubi.engine.jdbc.connection.provider | <undefined> | The connection provider is used for getting a connection from the server | string | 1.6.0 | -| kyuubi.engine.jdbc.connection.url | <undefined> | The server url that engine will connect to | string | 1.6.0 | -| kyuubi.engine.jdbc.connection.user | <undefined> | The user is used for connecting to server | string | 1.6.0 | -| kyuubi.engine.jdbc.driver.class | <undefined> | The driver class for JDBC engine connection | string | 1.6.0 | -| kyuubi.engine.jdbc.extra.classpath | <undefined> | The extra classpath for the JDBC query engine, for configuring the location of the JDBC driver and etc. | string | 1.6.0 | -| kyuubi.engine.jdbc.initialize.sql | SELECT 1 | SemiColon-separated list of SQL statements to be initialized in the newly created engine before queries. i.e. use `SELECT 1` to eagerly active JDBCClient. | seq | 1.8.0 | -| kyuubi.engine.jdbc.java.options | <undefined> | The extra Java options for the JDBC query engine | string | 1.6.0 | -| kyuubi.engine.jdbc.memory | 1g | The heap memory for the JDBC query engine | string | 1.6.0 | -| kyuubi.engine.jdbc.session.initialize.sql || SemiColon-separated list of SQL statements to be initialized in the newly created engine session before queries. | seq | 1.8.0 | -| kyuubi.engine.jdbc.type | <undefined> | The short name of JDBC type | string | 1.6.0 | -| kyuubi.engine.kubernetes.submit.timeout | PT30S | The engine submit timeout for Kubernetes application. | duration | 1.7.2 | -| kyuubi.engine.operation.convert.catalog.database.enabled | true | When set to true, The engine converts the JDBC methods of set/get Catalog and set/get Schema to the implementation of different engines | boolean | 1.6.0 | -| kyuubi.engine.operation.log.dir.root | engine_operation_logs | Root directory for query operation log at engine-side. | string | 1.4.0 | -| kyuubi.engine.pool.name | engine-pool | The name of the engine pool. | string | 1.5.0 | -| kyuubi.engine.pool.selectPolicy | RANDOM | The select policy of an engine from the corresponding engine pool engine for a session. | string | 1.7.0 | -| kyuubi.engine.pool.size | -1 | The size of the engine pool. Note that, if the size is less than 1, the engine pool will not be enabled; otherwise, the size of the engine pool will be min(this, kyuubi.engine.pool.size.threshold). | int | 1.4.0 | -| kyuubi.engine.pool.size.threshold | 9 | This parameter is introduced as a server-side parameter controlling the upper limit of the engine pool. | int | 1.4.0 | -| kyuubi.engine.session.initialize.sql || SemiColon-separated list of SQL statements to be initialized in the newly created engine session before queries. This configuration can not be used in JDBC url due to the limitation of Beeline/JDBC driver. | seq | 1.3.0 | -| kyuubi.engine.share.level | USER | Engines will be shared in different levels, available configs are: | string | 1.2.0 | -| kyuubi.engine.share.level.sub.domain | <undefined> | (deprecated) - Using kyuubi.engine.share.level.subdomain instead | string | 1.2.0 | -| kyuubi.engine.share.level.subdomain | <undefined> | Allow end-users to create a subdomain for the share level of an engine. A subdomain is a case-insensitive string values that must be a valid zookeeper subpath. For example, for the `USER` share level, an end-user can share a certain engine within a subdomain, not for all of its clients. End-users are free to create multiple engines in the `USER` share level. When disable engine pool, use 'default' if absent. | string | 1.4.0 | -| kyuubi.engine.single.spark.session | false | When set to true, this engine is running in a single session mode. All the JDBC/ODBC connections share the temporary views, function registries, SQL configuration and the current database. | boolean | 1.3.0 | -| kyuubi.engine.spark.event.loggers | SPARK | A comma-separated list of engine loggers, where engine/session/operation etc events go. | seq | 1.7.0 | -| kyuubi.engine.spark.python.env.archive | <undefined> | Portable Python env archive used for Spark engine Python language mode. | string | 1.7.0 | -| kyuubi.engine.spark.python.env.archive.exec.path | bin/python | The Python exec path under the Python env archive. | string | 1.7.0 | -| kyuubi.engine.spark.python.home.archive | <undefined> | Spark archive containing $SPARK_HOME/python directory, which is used to init session Python worker for Python language mode. | string | 1.7.0 | -| kyuubi.engine.submit.timeout | PT30S | Period to tolerant Driver Pod ephemerally invisible after submitting. In some Resource Managers, e.g. K8s, the Driver Pod is not visible immediately after `spark-submit` is returned. | duration | 1.7.1 | -| kyuubi.engine.trino.connection.keystore.password | <undefined> | The keystore password used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.connection.keystore.path | <undefined> | The keystore path used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.connection.keystore.type | <undefined> | The keystore type used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.connection.password | <undefined> | The password used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.connection.truststore.password | <undefined> | The truststore password used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.connection.truststore.path | <undefined> | The truststore path used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.connection.truststore.type | <undefined> | The truststore type used for connecting to trino cluster | string | 1.8.0 | -| kyuubi.engine.trino.event.loggers | JSON | A comma-separated list of engine history loggers, where engine/session/operation etc events go. | seq | 1.7.0 | -| kyuubi.engine.trino.extra.classpath | <undefined> | The extra classpath for the Trino query engine, for configuring other libs which may need by the Trino engine | string | 1.6.0 | -| kyuubi.engine.trino.java.options | <undefined> | The extra Java options for the Trino query engine | string | 1.6.0 | -| kyuubi.engine.trino.memory | 1g | The heap memory for the Trino query engine | string | 1.6.0 | -| kyuubi.engine.type | SPARK_SQL | Specify the detailed engine supported by Kyuubi. The engine type bindings to SESSION scope. This configuration is experimental. Currently, available configs are: | string | 1.4.0 | -| kyuubi.engine.ui.retainedSessions | 200 | The number of SQL client sessions kept in the Kyuubi Query Engine web UI. | int | 1.4.0 | -| kyuubi.engine.ui.retainedStatements | 200 | The number of statements kept in the Kyuubi Query Engine web UI. | int | 1.4.0 | -| kyuubi.engine.ui.stop.enabled | true | When true, allows Kyuubi engine to be killed from the Spark Web UI. | boolean | 1.3.0 | -| kyuubi.engine.user.isolated.spark.session | true | When set to false, if the engine is running in a group or server share level, all the JDBC/ODBC connections will be isolated against the user. Including the temporary views, function registries, SQL configuration, and the current database. Note that, it does not affect if the share level is connection or user. | boolean | 1.6.0 | -| kyuubi.engine.user.isolated.spark.session.idle.interval | PT1M | The interval to check if the user-isolated Spark session is timeout. | duration | 1.6.0 | -| kyuubi.engine.user.isolated.spark.session.idle.timeout | PT6H | If kyuubi.engine.user.isolated.spark.session is false, we will release the Spark session if its corresponding user is inactive after this configured timeout. | duration | 1.6.0 | -| kyuubi.engine.yarn.submit.timeout | PT30S | The engine submit timeout for YARN application. | duration | 1.7.2 | +| Key | Default | Meaning | Type | Since | +|----------------------------------------------------------|---------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|-------| +| kyuubi.engine.chat.extra.classpath | <undefined> | The extra classpath for the Chat engine, for configuring the location of the SDK and etc. | string | 1.8.0 | +| kyuubi.engine.chat.gpt.apiKey | <undefined> | The key to access OpenAI open API, which could be got at https://platform.openai.com/account/api-keys | string | 1.8.0 | +| kyuubi.engine.chat.gpt.http.connect.timeout | PT2M | The timeout[ms] for establishing the connection with the Chat GPT server. A timeout value of zero is interpreted as an infinite timeout. | duration | 1.8.0 | +| kyuubi.engine.chat.gpt.http.proxy | <undefined> | HTTP proxy url for API calling in Chat GPT engine. e.g. http://127.0.0.1:1087 | string | 1.8.0 | +| kyuubi.engine.chat.gpt.http.socket.timeout | PT2M | The timeout[ms] for waiting for data packets after Chat GPT server connection is established. A timeout value of zero is interpreted as an infinite timeout. | duration | 1.8.0 | +| kyuubi.engine.chat.gpt.model | gpt-3.5-turbo | ID of the model used in ChatGPT. Available models refer to OpenAI's [Model overview](https://platform.openai.com/docs/models/overview). | string | 1.8.0 | +| kyuubi.engine.chat.java.options | <undefined> | The extra Java options for the Chat engine | string | 1.8.0 | +| kyuubi.engine.chat.memory | 1g | The heap memory for the Chat engine | string | 1.8.0 | +| kyuubi.engine.chat.provider | ECHO | The provider for the Chat engine. Candidates: | string | 1.8.0 | +| kyuubi.engine.connection.url.use.hostname | true | (deprecated) When true, the engine registers with hostname to zookeeper. When Spark runs on K8s with cluster mode, set to false to ensure that server can connect to engine | boolean | 1.3.0 | +| kyuubi.engine.deregister.exception.classes || A comma-separated list of exception classes. If there is any exception thrown, whose class matches the specified classes, the engine would deregister itself. | set | 1.2.0 | +| kyuubi.engine.deregister.exception.messages || A comma-separated list of exception messages. If there is any exception thrown, whose message or stacktrace matches the specified message list, the engine would deregister itself. | set | 1.2.0 | +| kyuubi.engine.deregister.exception.ttl | PT30M | Time to live(TTL) for exceptions pattern specified in kyuubi.engine.deregister.exception.classes and kyuubi.engine.deregister.exception.messages to deregister engines. Once the total error count hits the kyuubi.engine.deregister.job.max.failures within the TTL, an engine will deregister itself and wait for self-terminated. Otherwise, we suppose that the engine has recovered from temporary failures. | duration | 1.2.0 | +| kyuubi.engine.deregister.job.max.failures | 4 | Number of failures of job before deregistering the engine. | int | 1.2.0 | +| kyuubi.engine.event.json.log.path | file:///tmp/kyuubi/events | The location where all the engine events go for the built-in JSON logger. | string | 1.3.0 | +| kyuubi.engine.event.loggers | SPARK | A comma-separated list of engine history loggers, where engine/session/operation etc events go. Note that: Kyuubi supports custom event handlers with the Java SPI. To register a custom event handler, the user needs to implement a subclass of `org.apache.kyuubi.events.handler.CustomEventHandlerProvider` which has a zero-arg constructor. | seq | 1.3.0 | +| kyuubi.engine.flink.application.jars | <undefined> | A comma-separated list of the local jars to be shipped with the job to the cluster. For example, SQL UDF jars. Only effective in yarn application mode. | string | 1.8.0 | +| kyuubi.engine.flink.extra.classpath | <undefined> | The extra classpath for the Flink SQL engine, for configuring the location of hadoop client jars, etc. Only effective in yarn session mode. | string | 1.6.0 | +| kyuubi.engine.flink.java.options | <undefined> | The extra Java options for the Flink SQL engine. Only effective in yarn session mode. | string | 1.6.0 | +| kyuubi.engine.flink.memory | 1g | The heap memory for the Flink SQL engine. Only effective in yarn session mode. | string | 1.6.0 | +| kyuubi.engine.hive.event.loggers | JSON | A comma-separated list of engine history loggers, where engine/session/operation etc events go. | seq | 1.7.0 | +| kyuubi.engine.hive.extra.classpath | <undefined> | The extra classpath for the Hive query engine, for configuring location of the hadoop client jars and etc. | string | 1.6.0 | +| kyuubi.engine.hive.java.options | <undefined> | The extra Java options for the Hive query engine | string | 1.6.0 | +| kyuubi.engine.hive.memory | 1g | The heap memory for the Hive query engine | string | 1.6.0 | +| kyuubi.engine.initialize.sql | SHOW DATABASES | SemiColon-separated list of SQL statements to be initialized in the newly created engine before queries. i.e. use `SHOW DATABASES` to eagerly active HiveClient. This configuration can not be used in JDBC url due to the limitation of Beeline/JDBC driver. | seq | 1.2.0 | +| kyuubi.engine.jdbc.connection.password | <undefined> | The password is used for connecting to server | string | 1.6.0 | +| kyuubi.engine.jdbc.connection.propagateCredential | false | Whether to use the session's user and password to connect to database | boolean | 1.8.0 | +| kyuubi.engine.jdbc.connection.properties || The additional properties are used for connecting to server | seq | 1.6.0 | +| kyuubi.engine.jdbc.connection.provider | <undefined> | The connection provider is used for getting a connection from the server | string | 1.6.0 | +| kyuubi.engine.jdbc.connection.url | <undefined> | The server url that engine will connect to | string | 1.6.0 | +| kyuubi.engine.jdbc.connection.user | <undefined> | The user is used for connecting to server | string | 1.6.0 | +| kyuubi.engine.jdbc.driver.class | <undefined> | The driver class for JDBC engine connection | string | 1.6.0 | +| kyuubi.engine.jdbc.extra.classpath | <undefined> | The extra classpath for the JDBC query engine, for configuring the location of the JDBC driver and etc. | string | 1.6.0 | +| kyuubi.engine.jdbc.initialize.sql | SELECT 1 | SemiColon-separated list of SQL statements to be initialized in the newly created engine before queries. i.e. use `SELECT 1` to eagerly active JDBCClient. | seq | 1.8.0 | +| kyuubi.engine.jdbc.java.options | <undefined> | The extra Java options for the JDBC query engine | string | 1.6.0 | +| kyuubi.engine.jdbc.memory | 1g | The heap memory for the JDBC query engine | string | 1.6.0 | +| kyuubi.engine.jdbc.session.initialize.sql || SemiColon-separated list of SQL statements to be initialized in the newly created engine session before queries. | seq | 1.8.0 | +| kyuubi.engine.jdbc.type | <undefined> | The short name of JDBC type | string | 1.6.0 | +| kyuubi.engine.kubernetes.submit.timeout | PT30S | The engine submit timeout for Kubernetes application. | duration | 1.7.2 | +| kyuubi.engine.operation.convert.catalog.database.enabled | true | When set to true, The engine converts the JDBC methods of set/get Catalog and set/get Schema to the implementation of different engines | boolean | 1.6.0 | +| kyuubi.engine.operation.log.dir.root | engine_operation_logs | Root directory for query operation log at engine-side. | string | 1.4.0 | +| kyuubi.engine.pool.name | engine-pool | The name of the engine pool. | string | 1.5.0 | +| kyuubi.engine.pool.selectPolicy | RANDOM | The select policy of an engine from the corresponding engine pool engine for a session. | string | 1.7.0 | +| kyuubi.engine.pool.size | -1 | The size of the engine pool. Note that, if the size is less than 1, the engine pool will not be enabled; otherwise, the size of the engine pool will be min(this, kyuubi.engine.pool.size.threshold). | int | 1.4.0 | +| kyuubi.engine.pool.size.threshold | 9 | This parameter is introduced as a server-side parameter controlling the upper limit of the engine pool. | int | 1.4.0 | +| kyuubi.engine.session.initialize.sql || SemiColon-separated list of SQL statements to be initialized in the newly created engine session before queries. This configuration can not be used in JDBC url due to the limitation of Beeline/JDBC driver. | seq | 1.3.0 | +| kyuubi.engine.share.level | USER | Engines will be shared in different levels, available configs are: | string | 1.2.0 | +| kyuubi.engine.share.level.sub.domain | <undefined> | (deprecated) - Using kyuubi.engine.share.level.subdomain instead | string | 1.2.0 | +| kyuubi.engine.share.level.subdomain | <undefined> | Allow end-users to create a subdomain for the share level of an engine. A subdomain is a case-insensitive string values that must be a valid zookeeper subpath. For example, for the `USER` share level, an end-user can share a certain engine within a subdomain, not for all of its clients. End-users are free to create multiple engines in the `USER` share level. When disable engine pool, use 'default' if absent. | string | 1.4.0 | +| kyuubi.engine.single.spark.session | false | When set to true, this engine is running in a single session mode. All the JDBC/ODBC connections share the temporary views, function registries, SQL configuration and the current database. | boolean | 1.3.0 | +| kyuubi.engine.spark.event.loggers | SPARK | A comma-separated list of engine loggers, where engine/session/operation etc events go. | seq | 1.7.0 | +| kyuubi.engine.spark.python.env.archive | <undefined> | Portable Python env archive used for Spark engine Python language mode. | string | 1.7.0 | +| kyuubi.engine.spark.python.env.archive.exec.path | bin/python | The Python exec path under the Python env archive. | string | 1.7.0 | +| kyuubi.engine.spark.python.home.archive | <undefined> | Spark archive containing $SPARK_HOME/python directory, which is used to init session Python worker for Python language mode. | string | 1.7.0 | +| kyuubi.engine.submit.timeout | PT30S | Period to tolerant Driver Pod ephemerally invisible after submitting. In some Resource Managers, e.g. K8s, the Driver Pod is not visible immediately after `spark-submit` is returned. | duration | 1.7.1 | +| kyuubi.engine.trino.connection.keystore.password | <undefined> | The keystore password used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.connection.keystore.path | <undefined> | The keystore path used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.connection.keystore.type | <undefined> | The keystore type used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.connection.password | <undefined> | The password used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.connection.truststore.password | <undefined> | The truststore password used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.connection.truststore.path | <undefined> | The truststore path used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.connection.truststore.type | <undefined> | The truststore type used for connecting to trino cluster | string | 1.8.0 | +| kyuubi.engine.trino.event.loggers | JSON | A comma-separated list of engine history loggers, where engine/session/operation etc events go. | seq | 1.7.0 | +| kyuubi.engine.trino.extra.classpath | <undefined> | The extra classpath for the Trino query engine, for configuring other libs which may need by the Trino engine | string | 1.6.0 | +| kyuubi.engine.trino.java.options | <undefined> | The extra Java options for the Trino query engine | string | 1.6.0 | +| kyuubi.engine.trino.memory | 1g | The heap memory for the Trino query engine | string | 1.6.0 | +| kyuubi.engine.type | SPARK_SQL | Specify the detailed engine supported by Kyuubi. The engine type bindings to SESSION scope. This configuration is experimental. Currently, available configs are: | string | 1.4.0 | +| kyuubi.engine.ui.retainedSessions | 200 | The number of SQL client sessions kept in the Kyuubi Query Engine web UI. | int | 1.4.0 | +| kyuubi.engine.ui.retainedStatements | 200 | The number of statements kept in the Kyuubi Query Engine web UI. | int | 1.4.0 | +| kyuubi.engine.ui.stop.enabled | true | When true, allows Kyuubi engine to be killed from the Spark Web UI. | boolean | 1.3.0 | +| kyuubi.engine.user.isolated.spark.session | true | When set to false, if the engine is running in a group or server share level, all the JDBC/ODBC connections will be isolated against the user. Including the temporary views, function registries, SQL configuration, and the current database. Note that, it does not affect if the share level is connection or user. | boolean | 1.6.0 | +| kyuubi.engine.user.isolated.spark.session.idle.interval | PT1M | The interval to check if the user-isolated Spark session is timeout. | duration | 1.6.0 | +| kyuubi.engine.user.isolated.spark.session.idle.timeout | PT6H | If kyuubi.engine.user.isolated.spark.session is false, we will release the Spark session if its corresponding user is inactive after this configured timeout. | duration | 1.6.0 | +| kyuubi.engine.yarn.submit.timeout | PT30S | The engine submit timeout for YARN application. | duration | 1.7.2 | ### Event