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Key | Default | Type | Description
--- | --- | --- | ---

##### client-pool-cache.eviction-interval-ms

300000

Long

Setting the client's pool cache eviction interval(ms).

##### client-pool-cache.keys

(none)

String

Specify client cache key, multiple elements separated by commas.

- "ugi": the Hadoop UserGroupInformation instance that represents the current user using the cache.

- "user_name" similar to UGI but only includes the user's name determined by UserGroupInformation#getUserName.

- "conf": name of an arbitrary configuration. The value of the configuration will be extracted from catalog properties and added to the cache key. A conf element should start with a "conf:" prefix which is followed by the configuration name. E.g. specifying "conf:a.b.c" will add "a.b.c" to the key, and so that configurations with different default catalog wouldn't share the same client pool. Multiple conf elements can be specified.

##### hadoop-conf-dir

(none)

String

File directory of the core-site.xml、hdfs-site.xml、yarn-site.xml、mapred-site.xml. Currently, only local file system paths are supported. If not configured, try to load from 'HADOOP_CONF_DIR' or 'HADOOP_HOME' system environment. Configure Priority: 1.from 'hadoop-conf-dir' 2.from HADOOP_CONF_DIR 3.from HADOOP_HOME/conf 4.HADOOP_HOME/etc/hadoop.

##### hive-conf-dir

(none)

String

File directory of the hive-site.xml , used to create HiveMetastoreClient and security authentication, such as Kerberos, LDAP, Ranger and so on. If not configured, try to load from 'HIVE_CONF_DIR' env.

##### location-in-properties

false

Boolean

Setting the location in properties of hive table/database. If you don't want to access the location by the filesystem of hive when using a object storage such as s3,oss you can set this option to true.

##### metastore.client.class

"org.apache.hadoop.hive.metastore.HiveMetaStoreClient"

String

Class name of Hive metastore client. NOTE: This class must directly implements org.apache.hadoop.hive.metastore.IMetaStoreClient.