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Apache Ranger is a centralized security administration solution for Hadoop that enables administrators to create and enforce security policies for HDFS and other Hadoop platform components. Ranger configuration is based on the installation and configuration of HDFS Transparency. Therefore,...
Data centers are getting wider day by day. In the initial days they were limited to a single physical site. As the adoption grown, data spread across multiple data centers. These data centers are geographically separated by larger distances. Ethernet plays a key role in the next generation data...
Decisions about storage are a key element to the success of any artificial intelligence (AI) or deep learning (DL) project, as demands on storage keep growing. For the past few years there has been a huge growth of data โ the โBig Dataโ phenomenon. Now, there are new requirements to support...
On December 8, 2017, IBM made the DS8886 zHyperLink support generally available. Todayโs blog entry introduces a video demo of the zHyperLink technology. Story Board TL;DR , Clients can transparently cut their application response times in half. Pass this video along to your clients so...
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The ever expanding and accelerating generation of Big data has made mandatory the usage of more efficient and robust storage filesystems. The data migration across multiple storage mediums is proving to be expensive. There is an inevitable and urgent need to perform inplace data analytics and to...
Background โข Native HDFS supports short circuit read to read data directly from local file system when HDFS client and target datanode are co-located on the same physical node. โข 10% ~ 30% performance gain according to workloads and total reading data size โข HDFS Transparency supports short...
Federation was added to HDFS to improve the HDFS NameNode horizontal scaling. In HDFS transparency, federation is used to make IBM Spectrum Scale filesystems and HDFS filesystem coexist. The Hadoop applications can get input data from the native HDFS, analyze the input and write the output to...
IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to link before you doing the below change. A restart of IBM Spectrum Scale will be needed to bring into effect any configuration option changes that do not successfully complete with the '-i' ...
IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to link before you doing the below change. Here is the tuning steps. Step1: Configure spark.shuffle.file.buffer By default, this must be configured on $SPARK HOME/conf/spark-defaults.conf...
IBM Spectrum Scale Sharing Nothing Cluster performance tuning guide has been posted and please refer to link before you doing the below change. If the cluster is focused on database workloads such as SAP HANA/DB2 DPF/DashDB or DIO/AIO, the following configuration options must be tuned: ...