The Hortonworks Community Connection is now live. A completely rebuilt Q&A forum, Knowledge Base, Code Hub and more, backed by the experts in the industry.

You will be redirected here in 10 seconds. If your are not redirected, click here to visit the new site.

The legacy Hortonworks Forum is now closed. You can view a read-only version of the former site by clicking here. The site will be taken offline on January 31,2016

Ambari Forum

how can I delete regionserver

  • #46633
    Sun Ww
    Participant

    Hi
    I have installed nodemanage and regionserver together on the same machines with Ambari1.4.1.
    But I found Mapreduce take lots of cpus(often more than 90% cpu usage. Machine has 24 cores and run max 18 YarnChilds concurrent).
    So I want to move regionserver to other machines, seperate from nodemanage.

    I do not know how to delete regionserver on the original machines.
    I note Restful API has DELETE method. Is that useful or could you give me some other suggestion.
    Thank you

  • Author
    Replies
  • #46642
    Jeff Sposetti
    Moderator

    So you want to delete the RegionServer host-component on that machine?

    These API instructions talk about deleting a whole service (like Hbase or Oozie) and deleting a whole host. Part of that process includes deleting the host-components. See if that helps.

    https://cwiki.apache.org/confluence/display/AMBARI/Using+APIs+to+delete+a+service+or+all+host+components+on+a+host

    #46672
    Sun Ww
    Participant

    It works.Thank you!

    #47304
    Seth Lyubich
    Moderator

    Hi Sun,

    Thanks for letting us know.

    Seth

The forum ‘Ambari’ is closed to new topics and replies.

Support from the Experts

A HDP Support Subscription connects you experts with deep experience running Apache Hadoop in production, at-scale on the most demanding workloads.

Enterprise Support »

Become HDP Certified

Real world training designed by the core architects of Hadoop. Scenario-based training courses are available in-classroom or online from anywhere in the world

Training »

Hortonworks Data Platform
The Hortonworks Data Platform is a 100% open source distribution of Apache Hadoop that is truly enterprise grade having been built, tested and hardened with enterprise rigor.
Get started with Sandbox
Hortonworks Sandbox is a self-contained virtual machine with Apache Hadoop pre-configured alongside a set of hands-on, step-by-step Hadoop tutorials.
Modern Data Architecture
Tackle the challenges of big data. Hadoop integrates with existing EDW, RDBMS and MPP systems to deliver lower cost, higher capacity infrastructure.