How to configure QoS

Configuring QoS for replication in Hystax Acura

Challenge

Limit bandwidth when replicating machines.

Cause 

The entire communication channel is busy.

Solution

Replication QoS
Here is the step-by-step instruction:
  1. stop the agent service;
  2. go to the agent work folder(C:\programData\Hystax\acura for Windows and /etc/hystax/acura for Linux);
  3. open Repman config file: repman.conf;
  4. change the following parameter: "max_parallel_sends" (The default value is 5 - the max count of parallel sending blocks. You can decrease this value to 1, for example);
  5. start the agent service.
Also, you can set low priority for the replication agent service using the OS tools.