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Used to avoid all of the proxies and object copies in the metastore. Note, if this is set, you MUST use a local metastore (hive.metastore.uris must be empty) otherwise undefined and most likely undesired behavior will result.

Hive Metastore Connection Pooling Configuration

The Hive Metastore supports several connection pooling implementations (e.g. hikaricp, bonecp, dbcp). Configuration properties prefixed by 'hikari' or 'dbcp' will be propagated as is to the connectionpool implementation by Hive. Jdbc connection url, username, password and connection pool maximum connections are exceptions which must be configured with their special Hive Metastore configuration properties.

Added in: Hive 3.0.0 with HIVE-17318 and HIVE-17319.

Hive Metastore HBase

Development of an HBase metastore for Hive started in release 2.0.0 (HIVE-9452) but the work has been stopped and the code was removed from Hive in release 3.0.0 (HIVE-17234).

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• Default Value:
  
  • Hive 0.11.0: (empty, but includes this list implicitly)
  • Hive 0.13.0: hive.security.authenticator.manager, hive.security.authorization.manager (HIVE-5953)
  • Hive 0.14.0: hive.security.authenticator.manager, hive.security.authorization.manager, hive.users.in.admin.role (HIVE-6437)
  • Hive 2.1.0: hive.security.authenticator.manager, hive.security.authorization.manager, hive.users.in.admin.role, hive.server2.xsrf.filter.enabled (HIVE-13853)
  • Hive 2.2.0: hive.security.authenticator.manager, hive.security.authorization.manager, hive.security.metastore.authorization.manager, hive.security.metastore.authenticator.manager, hive.users.in.admin.role, hive.server2.xsrf.filter.enabled, hive.security.authorization.enabled (HIVE-14099), hive.server2.authentication.ldap.baseDN (HIVE-15713), hive.server2.authentication.ldap.url (HIVE-15713), hive.server2.authentication.ldap.Domain (HIVE-15713), hive.server2.authentication.ldap.groupDNPattern (HIVE-15713), hive.server2.authentication.ldap.groupFilter (HIVE-15713), hive.server2.authentication.ldap.userDNPattern (HIVE-15713), hive.server2.authentication.ldap.userFilter (HIVE-15713), hive.server2.authentication.ldap.groupMembershipKey (HIVE-15713), hive.server2.authentication.ldap.userMembershipKey (HIVE-15713), hive.server2.authentication.ldap.groupClassKey (HIVE-15713), hive.server2.authentication.ldap.customLDAPQuery (HIVE-15713)
  • Hive 3.0.0: all of the above, plus these: hive.spark.client.connect.timeout (HIVE-16876), hive.spark.client.server.connect.timeout (HIVE-16876), hive.spark.client.channel.log.level (HIVE-16876), hive.spark.client.rpc.max.size (HIVE-16876), hive.spark.client.rpc.threads (HIVE-16876), hive.spark.client.secret.bits (HIVE-16876), hive.spark.client.rpc.server.address (HIVE-16876), hive.spark.client.rpc.server.port (HIVE-16876), hikari.* (HIVE-17318), dbcp.* (HIVE-17319)
• Added In: Hive 0.11.0 with HIVE-2935

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