The edge (in bytes) for that input file sizing in the tiny tables; If your file dimension is smaller sized than this threshold, it is going to consider to convert the prevalent be part of into map be a part of.
Amount of threads utilized by partialscan/noscan evaluate command for partitioned tables. This is certainly relevant only for file formats that put into practice the StatsProvidingRecordReader interface (like ORC).
LDAP link URL(s), benefit can be a SPACE separated listing of URLs to a number of LDAP servers for resiliency. URLs are tried out while in the buy specified until eventually the connection is profitable.
Dimensions in the hold out queue for async thread pool in HiveServer2. Soon after hitting this limit, the async thread pool will reject new requests.
This flag should be established to real to permit vectorized mode of query execution. The default price is fake.
The maximum memory to be used for hash in RS operator for prime K range. The default price "-1" usually means no Restrict.
This configuration residence is to manage whether only do lock on queries that need to execute no less than one mapred position.
Utilized by LLAP daemon task scheduler metrics for time taken to destroy undertaking (resulting from pre-emption) and practical time wasted via the undertaking that's going to be preempted.
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This controls the quantity of transactions streaming agents for instance Flume or Storm open simultaneously. The streaming agent then writes that amount of entries into a single file (per Flume agent or Storm bolt).
The HYBRID method reads the footers for all information if you can find fewer data files than predicted mapper count, switching over to building 1 break up for each file if the typical file dimensions are more compact as opposed to default HDFS blocksize.
The amount of little desk rows for any match in vector map sign up for hash tables where we make use of the repeated discipline optimization in overflow vectorized row batch for sign up for queries employing MapJoin. A value of -1 means do use the join end result optimization. Otherwise, threshold worth is usually 0 to optimum integer.
Determine the amount of map job Employed in the comply with up map be part of work to get a skew be part of. It should this contact form be used along with hive.skewjoin.mapjoin.min.split to perform a great grained Regulate.
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