layout: post title: “Crail Storage Performance -- Part III: Metadata” author: Adrian Schuepbach and Patrick Stuedi category: blog comments: true

Hardware Configuration

The specific cluster configuration used for the experiments in this blog:

  • Cluster
    • 8 node x86_64 cluster
  • Node configuration
    • CPU: 2 x Intel(R) Xeon(R) CPU E5-2690 0 @ 2.90GHz
    • DRAM: 96GB DDR3
    • Network: 1x100Gbit/s Mellanox ConnectX-5
  • Software
    • Ubuntu 16.04.3 LTS (Xenial Xerus) with Linux kernel version 4.10.0-33-generic
    • Crail 1.0, internal version 2993

Crail Metadata Operation Overview

Experimental Setup

Single Namenode Scalability

Multiple Namenode Scalability

Cluster sizes

System comparison

Summary