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Table of Contents

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  • Connections: Set the DRX inbound IP and outbound IP addresses to work with replication.
  • Buffers: Set buffer size per resource (channel)
    • memlimit
    • rx-memlimit
  • Compression/Encryption: Set compression/encryption features ON/OFF

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Info
title1:1 replication
  • proxy on [ proxy on hostname ] section of on [hostname] section 
    • inside [ proxy inside ip address]:[ port ]
    • outside [ proxy inside ip address ]:[ port]
  • proxy section
    • memlimit
    • plugin section
      • compressor [zlib | lz4 | iqa] level [1~9]
      • crypto openssl
      • rx-memlimit


Info
title1:N replication
  • host [ hostname] address [ host ip address ]:[port] via proxy on [proxy on hosname] section of connection section 
    • inside [ proxy inside ip address]: [ port ]
    • outside [ proxy inside ip address ]: [ port]
  • proxy section
    • memlimit
    • plugin section
      • compressor [zlib | lz4 | iqa] level [1~9]
      • crypto openssl
      • rx-memlimit

Local configuration

  • With DRX installed and running on node1 and node2 local machines, the contents of "bsr.conf" on node1 and node2 are the same on both nodes.
  • The following is an example of a 1:1 replication configuration and a 1:2 replication configuration.
  • Note that the respective port information must be exceptionally handled by the firewall and configured so that there are no redundant ports.

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typepropertydefault valuedescription
normallangenglishDRX language settings file
  • Located in "base-dir/lang" of the configuration.
  • ex) korean.ini
base-dir

DRX install path

Default path where DRX is installed

bsr-conf-path

Windows:

  • ../etc/bsr.conf

Linux:

  • /etc/bsr.conf
Specify the path to bsr.conf
fsr-conf-path

Windows:

  • ../etc/bsr.conf

Linux:

  • /etc/bsr.conf
Specify the path to fsr.conf
connect-timeout10

Timeout value in seconds after connecting to a remote DRX, while sending and receiving initialization packets

bwlimit0 (unlimited)Bandwidth limit on sending (incoming bandwidth controlled by bwlimit value on remote DRX)
ip-verificationon

on: Allow only the IP connections set in dbd.conf.
off: Allow connections for all IPs.

ulimit-open-files-count0

Applies to Linux only and sets the number of files the process can open.

Values : -1 (10240), 0 (same as system setting), Specify yourself (1-65536)

ipc-port9100Specify internal ipc port values for the CLI to control the drx (supported in version 1.3.1 and later).
logloglevel-fileinfo

Specify the log level that is written as a file

  • Location: stored in the logs folder of the installation path
loglevel-consoleinfoSpecify the log level that is output to the screen in foreground mode
logfile-max-size10MFile size limit per log file
logfile-max-count10Maximum number of log files kept by type
performance-logoffWhether to save performance statistics log
compress/encrypt



block-size63K

Block size to be used for compression/encryption

  • Note: The size of the transfer buffer for compression/encryption is set to twice the block-size value and is set to 1MB maximum.
min-raw-block-size1KMinimal packet size to send as plain text even when compression/encryption is set.
process-thread-count-1 (auto)

Number of threads to use when processing multi-thread packets.

※ It is intended for tuning and debugging, so it is not recommended to make any changes. 

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drx.conf sample

drx.conf

# BSR Proxy configuration
#
[global]
# language settings file
# lang=korean

# Default path where DRX is installed
# base-dir=/opt/DRX

# Specify the path to bsr.conf
# bsr-conf-path=c:\program files\DRX\bsr.conf

# Bandwidth limit on sending
# bwlimit=100M

# Block size to be used for compression/encryption
# block-size=100K

# Minimal packet size to send as plain text
# min-raw-block-size=256K 

# Timeout value
# connect-timeout=10

# Confirmation of binding IP that listens for connection
# ip-verification=off

# log levels: off < trace < debug < info < warning < error < critical
# Specify the log level that is output to the screen in foreground mode
# loglevel-console=info

# Specify the log level that is written as a file
# loglevel-file=info

# File size limit per log file
# logfile-max-size=10M

# Maximum number of log files kept by type
# logfile-max-count=10

# Whether to save performance statistics log
# performance-log=off

# multi-threaded packet processing. default is auto(-1), disable to 0
# process-thread-count=8


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