Top "Partitioning" questions

Partitioning is a performance strategy whereby you divide possibly very large groups of data into some number of smaller groups of data.

How to update partition metadata in Hive , when partition data is manualy deleted from HDFS

What is the way to automatically update the metadata of Hive partitioned tables? If new partition data's were added to …

hive partitioning
How does HashPartitioner work?

I read up on the documentation of HashPartitioner. Unfortunately nothing much was explained except for the API calls. I am …

scala apache-spark rdd partitioning
Fill a disk with an ext4 partition in a script

I tried to use parted for scripted partitionning like so : parted -a optimal /dev/sda mklabel gpt mkpart primary ext4 1 …

linux partitioning
How to Partition a Table by Month ("Both" YEAR & MONTH) and create monthly partitions automatically?

I'm trying to Partition a Table by both Year and Month. The Column through which I'll partition is a datetime …

sql sql-server partitioning dynamic-sql sql-agent-job
Oracle: how to drop a subpartition of a specific partition

I am using an oracle 11 table with interval partitioning and list subpartitioning like this (simplified): CREATE TABLE LOG ( ID NUMBER(15, 0) …

oracle oracle11g partitioning database-partitioning
How to script sfdisk or parted for multiple partitions?

For QA purposes I need to be able to partition a drive via a bash script up to 30 or more …

bash partitioning
Cross validation for glm() models

I'm trying to do a 10-fold cross validation for some glm models that I have built earlier in R. I'm …

r partitioning prediction glm cross-validation
Creating data partition in R

With caret package, when creating data partition 75% training and 25% test, we use: inTrain<- createDataPartition(y=spam$type,p=0.75, …

r partitioning r-caret data-partitioning
LINQ Partition List into Lists of 8 members

How would one take a List (using LINQ) and break it into a List of Lists partitioning the original list …

linq partitioning skip take
Java 8 partition list

Is it possible to partition a List in pure Jdk8 into equal chunks (sublists). I know it is possible using …

java java-8 partitioning