Time in milliseconds that HiveServer2 will hold out, right before responding to asynchronous calls that use very long polling.
No matter if to enhance multi group by question to make just one M/R occupation plan. When the multi team by question has popular group by keys, It'll be optimized to deliver one M/R task.
The HYBRID method reads the footers for all files if there are much less documents than envisioned mapper rely, switching over to generating 1 break up per file if the normal file sizes are smaller sized in comparison to the default HDFS blocksize.
When seeking a scaled-down subset of information for easy LIMIT, just how much sizing we'd like to ensure Every single row to possess not less than.
Suggests no matter whether replication dump must include specifics of ACID tables. It should be applied along with hive.
Generates essential schema on a startup if one particular does not exist. Set this to Bogus, after producing it the moment.
If turned on, splits created by ORC will incorporate metadata regarding the stripes during the file. This data click over here is examine remotely (in the customer or HiveServer2 equipment) and despatched to each of the jobs.
No matter if to push a limit by left/right outer be part of or union. If the worth is correct and the dimensions in the outer input is decreased sufficient (as specified in hive.
Thrift does not support nulls in maps, so any nulls current in maps retrieved from object-relational mapping (ORM) should be possibly pruned or converted to empty strings.
A listing of I/O exception handler course names. That is accustomed to construct an index of exception handlers to deal with exceptions thrown by history viewers.
Utmost amount of see this site retries when stats publisher/aggregator acquired an exception updating intermediate databases. Default is no attempts on failures.
Identify from the setting variable that retains the unique script operator ID in the person's change functionality (the custom mapper/reducer that the user do my sas assignment has specified in the query).
Established this to a utmost number of threads that Hive will use to listing file information from file programs, such as file measurement and range of files per table (encouraged > one for blobstore).
The company principal with the metastore thrift server. The special string _HOST will be replaced mechanically with the right host title.