search cancel

Linux sysctl.conf file entries in DX NetOps Performance Management

book

Article ID: 256978

calendar_today

Updated On:

Products

CA Performance Management - Usage and Administration DX NetOps

Issue/Introduction

Kernel Configuration for Data Repository on VMWARE

I found these configurations on my notes, it could have been suggested by a Services team, and I could not find them anywhere on the Tech Doc or KB articles. Can you validate that if they are needed?

settings are updated in sysctl.conf

vm.swappiness = 0
vm.max_map_count = 15757710
vm.min_free_kbytes = 63513
vm.dirty_background_ratio = 3
vm.dirty_ratio = 6

What settings should we expected to find in /etc/sysctl.conf file on systems running DX NetOps Performance Management components?

What settings should we expected to find in /etc/sysctl.conf file on systems running the DX NetOps Performance Management Portal web server?

What settings should we expected to find in /etc/sysctl.conf file on systems running the DX NetOps Performance Management Data Aggregator?

What settings should we expected to find in /etc/sysctl.conf file on systems running the DX NetOps Performance Management Data Collector?

What settings should we expected to find in /etc/sysctl.conf file on systems running the DX NetOps Performance Management Data Repository?

What settings should we expected to find in /etc/sysctl.conf file on systems running the DX NetOps Performance Management Fault Tolerant Data Aggregator Proxy server?

Environment

All supported DX NetOps Performance Management releases

Resolution

The following entries are added by the 22.2.x installer.

  • DA, DA Proxy, DC:

    # Added for Performance Managementv
    m.swappiness = 1

     

  • DR node:

    # Added for Performance Management
    vm.swappiness = 1
    # Added for Performance Management
    #Added by CA as Vertica recommends this setting
    vm.max_map_count = 2038946
    #Added by CA as Vertica recommends this setting
    vm.min_free_kbytes = 22846
    #Added by CA as Vertica recommends this setting
    vm.max_map_count = 2039080
    #Added by CA as Vertica recommends this setting
    vm.min_free_kbytes = 22847

     

  • Portal web server:

    # Added for Performance Management
    vm.swappiness = 1
    # Added for Performance Management
    # Added by NetOps
    fs.aio-max-nr = 1048576
    # Added by NetOps
    fs.file-max = 6815744

     

Additional Information

Information above is based on a new 22.2.2 NetOps installation.