Besides the Hive metastore Houses stated in this segment, some Houses are mentioned in other sections:
The length we choose to accomplish your homework will count on various things. As an example, the size of the assignment or the quantity of words and phrases will impact our qualified's time to take care of it.
If That is established to legitimate, mapjoin optimization in Hive/Spark will use statistics from TableScan operators at the root from the operator tree, rather than mum or dad ReduceSink operators in the Join operator.
Whether to force a limit through remaining/appropriate outer be a part of or union. If the worth is real and the size with the outer enter is minimized ample (as laid out in hive.
When enabled, this feature will allow a user script to exit efficiently without the need of consuming all the data in the common enter.
The interval with which to poll the JobTracker for your counters the jogging occupation. The scaled-down it is the a lot more load there'll be over the jobtracker, the higher it is the considerably less granular the caught will be.
Outline the encoding technique to use although composing data. Modifying this can only affect the light fat encoding for integers. This flag will never alter the compression degree of better level compression codec (like ZLIB). Attainable solutions are SPEED and COMPRESSION.
Whether to force a limit via left/correct outer be a part of or union. If the worth is genuine and the dimensions in the outer enter is decreased ample (as specified in hive.
Placing this assets to correct should have HiveServer2 execute Hive operations as being the user generating the phone calls to it.
The default partition identify in the event that the dynamic partition column worth is null/vacant string or every other values that can't be escaped.
Session will probably be shut when connection is shut. Established this to Bogus to own session outlive its mother or father relationship.
Reserved duration for postfix of statistics essential. At present only meaningful for counter try this website type statistics which should really continue to keep the size of the full statistics vital scaled-down than the utmost length configured by hive.
If the amount of keys inside a dictionary is bigger than this fraction of the check my source total variety of non-null rows, convert off dictionary encoding. Use 1 to usually use dictionary encoding.
Allow capturing compiler go through entity of change URI which can be introspected within the semantic and exec hooks.