Controls irrespective of whether to connect to remote metastore server or open up a brand new metastore server in Hive Consumer JVM. As of Hive 0.ten This is often no longer used. Alternatively if hive.metastore.uris is ready then remote manner is assumed usually regional.
Allow JDO question pushdown for integral partition columns in metastore. Off by default. This improves metastore performance for integral columns, particularly if there is a large number of partitions.
A list of comma separated values similar to YARN queues of precisely the same title. When HiveServer2 is launched in Tez mode, this configuration needs to be set for several Tez periods to run in parallel within the cluster.
Very same as hive.metastore.try out.immediate.sql, for read statements inside a transaction that modifies metastore details. Due to non-common actions in Postgres, if a direct SQL pick out question has incorrect syntax or one thing equivalent inside of a transaction, the entire transaction will fail and slide-back again to DataNucleus won't be possible. You need to disable the utilization of immediate SQL inside of transactions if that occurs as part of your circumstance.
List of the fundamental PAM services that ought to be applied when hive.server2.authentication variety is PAM. A file Along with the very same name need to exist in /etcetera/pam.d.
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Define the encoding strategy to use even though composing details. Modifying this may only influence The sunshine weight encoding for integers. This flag will never alter the compression amount of higher level compression codec (like ZLIB). Attainable selections are Velocity and COMPRESSION.
Name on the identifier manufacturing facility to employ read this when making table/column names and so on. 'datanucleus' is useful for backward compatibility.
Thrift isn't going to assist nulls in maps, so any nulls existing in maps retrieved from item-relational mapping (ORM) should be either pruned or transformed to empty strings.
No matter whether to improve multi team by query to create a single M/R career program. If the multi team by question has common team by keys, It'll be optimized to generate a single M/R career.
The host tackle the HiveServer2 World-wide-web UI will hear on. The Web UI can be utilized to obtain the HiveServer2 configuration, area logs, and metrics. It will also be used to examine some specifics of Energetic classes and queries being executed.
Most number of reducers that should be applied. In case the a single laid out in the configuration house mapred.lessen.duties is destructive, Hive will use this as the most variety of reducers when instantly determining the quantity of reducers.
If the quantity of keys inside of a dictionary is larger than this fraction of the total variety of non-null rows, flip off dictionary encoding. Use one to generally use dictionary encoding.
This selection indicates the amount of memory the area job usually takes to hold The real key/benefit into an in-memory hash desk when this map join is accompanied by a gaggle by.