Determines the selection system used by metastore customer to connect with remote metastore. SEQUENTIAL indicates that the main valid metastore within the URIs specified as Portion of hive.metastore.uris will be picked. RANDOM indicates the metastore might be picked randomly.
Amount of threads utilized by partialscan/noscan evaluate command for partitioned tables. This is often relevant only for file formats that carry out the StatsProvidingRecordReader interface (like ORC).
Results in required schema over a startup if a person does not exist. Reset this to Untrue, soon after creating it as soon as.
Sizing of your wait queue for async thread pool in HiveServer2. Soon after hitting this Restrict, the async thread pool will reject new requests.
Implies regardless of whether replication dump need to consist of specifics of ACID tables. It ought to be used together with hive.
LDAP connection URL(s), benefit can be a SPACE separated list of URLs to several LDAP servers for resiliency. URLs are experimented with from the purchase specified until finally the connection is effective.
Will allow HiveServer2 to mail development bar update facts. This is certainly currently available only if the execution motor is tez.
Name in the my link identifier manufacturing unit to utilize when building table/column names etc. 'datanucleus' is useful for backward compatibility.
Location this home to legitimate could have HiveServer2 execute Hive functions since the visit site consumer building the phone calls to it.
Sasl QOP price; established it to one of the subsequent values to enable larger levels of defense for HiveServer2 communication with purchasers.
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Hash aggregation will probably read this post here be turned off In the event the ratio among hash table dimension and enter rows is larger than this selection. Established to 1 to make certain hash aggregation isn't turned off.
Aside from the configuration Qualities detailed Within this area, some properties in other sections are connected to ORC:
Annotation with the operator tree with statistics data needs partition stage essential statistics like quantity of rows, details sizing and file size. Partition statistics are fetched from your metastore. Fetching partition statistics for every wanted partition can be pricey when the range of partitions is high.