Tags » Partitioning

Increasing Disk Space in VirtualBox (Ubuntu)

There can be times when you need to increase the size of the VirtualBox VDI Image.

Changing the size of the image doesn’t automatically extends the primary partition. 169 more words

Technology

Missing Bloom

Here’s a little surprise that came up on the OTN database forum a few days ago. Rather than describe it, I’m just going to create a data set to demonstrate it, initially using 11.2.0.4 although the same thing happens on 12.1.0.2. 1,924 more words

Oracle

Implementing Partial Backups and Restores (via Leveraging Partitions)

Continuing on with my Partitioning post series, this is part 5.

The partitioning includes several major components of work (and can be linked below); 3,743 more words

SQL Server

Reverse Key

A question came up on the OTN database forum recently asking if you could have a partitioned index on a non-partitioned table.

(Aside: I’m not sure whether it would be quicker to read the manuals or try the experiment – either would probably be quicker than posing the question to the forum. 1,507 more words

Oracle

Rebuilding Existing Partitioned Tables to a New Partition Scheme

Continuing on with my Partitioning post series, this is part 4.

The partitioning includes several major components of work (and can be linked below); 1,553 more words

SQL Server

Advanced Data Partitioning in Spark

In this post we take a look at advance data partitioning Spark.  Partitioning is the process that distributes your data across the Spark worker nodes.   294 more words

Coding

Flume KafkaSink에서 Kafka Log의 Partitioning Key 설정

Flume KafkaSink로 메시지를 Kafka에 쌓아 보았더니, 하나의 Partition에만 로그를 쌓다가 10분 간격으로 Partition이 변경되었다.

이렇게 된 이유는 Kafka에 로그를 쌓을 때 (KeyedMessage) Key를 명시하지 않으면 Kafka가 아래와 같이 Partitioning을 수행하기 때문이다. 64 more words

Data Engineering