Module 1 & 2 - Installation and Configuration Commands
To check the THP status
cat /sys/kernel/mm/transparent_hugepage/enabled
cat /sys/kernel/mm/transparent_hugepage/defrag
cat /sys/kernel/mm/transparent_hugepage/defrag
Disable THP
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo never > /sys/kernel/mm/transparent_hugepage/defrag
Check Swappiness:
cat /proc/sys/vm/swappiness
Disable Swappiness:
echo 0 > /proc/sys/vm/swappiness
Download a small meta package from Couchbase
curl -O https://packages.couchbase.com/releases/couchbase-release/couchbase-release-1.0-x86_64.rpm
Install the meta package
sudo rpm -i ./couchbase-release-1.0-x86_64.rpm
Install Couchbase Server
sudo yum install couchbase-server
[OR]
yum list couchbase-server --showduplicates
sudo yum install couchbase-server-version-build
Install using RPM: (Change the server version accordingly)
wget https://packages.couchbase.com/releases/6.5.1/couchbase-server-enterprise-6.5.1-centos7.x86_64.rpm
Install Couchbase Server (Change the server version accordingly)
rpm --install couchbase-server-enterprise-6.5.1-centos7.x86_64.rpm
Verifying Installation
http://<server-IP-address>:8091/ (non-encrypted)
https://<server-IP-address>:18091/ (encrypted)
https://<server-IP-address>:18091/ (encrypted)
Check Status:
systemctl status couchbase-server
Starting and Stopping of Couchbase Server
sudo systemctl start couchbase-server
(or)
sudo service couchbase-server start
(or)
sudo service couchbase-server start
sudo systemctl stop couchbase-server
(or)
sudo service couchbase-server stop
(or)
sudo service couchbase-server stop
Google Cloud Startup Script: Install Couchbase on GCP machine/VM
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo 0 > /proc/sys/vm/swappiness
curl -O https://packages.couchbase.com/releases/couchbase-release/couchbase-release-1.0-x86_64.rpm
sudo rpm -i ./couchbase-release-1.0-x86_64.rpm
sudo yum -y install couchbase-server-6.5.2-6634
systemctl enable couchbase-server
echo 0 > /proc/sys/vm/swappiness
curl -O https://packages.couchbase.com/releases/couchbase-release/couchbase-release-1.0-x86_64.rpm
sudo rpm -i ./couchbase-release-1.0-x86_64.rpm
sudo yum -y install couchbase-server-6.5.2-6634
systemctl enable couchbase-server
Allowed Ports In Firewall:
Client-to-node Ports
********************
Unencrypted: 8091-8096, 9140, 11210, 11211
Encrypted: 11207, 18091-18096
Other Ports: 8091-8096,9140,18091-18096,11207-11211
Demoed cluster configuration:
VM Machine type : g1-small (1 vCPU, 1.7 GB memory)
Allocated Memory --> 80 % of RAM ( 80 % of 1732) = 1300 (approx)
Allocated Memory --> 80 % of RAM ( 80 % of 1732) = 1300 (approx)
AWS Startup Script: Install Couchbase on AWS machine/VM
source: https://aws.amazon.com/premiumsupport/knowledge-center/execute-user-data-ec2/Content-Type: multipart/mixed; boundary="//"
MIME-Version: 1.0
--//
Content-Type: text/cloud-config; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="cloud-config.txt"
#cloud-config
cloud_final_modules:
- [scripts-user, always]
--//
Content-Type: text/x-shellscript; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="userdata.txt"
#!/bin/bash
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo 0 > /proc/sys/vm/swappiness
curl -O https://packages.couchbase.com/releases/couchbase-release/couchbase-release-1.0-x86_64.rpm
sudo rpm -i ./couchbase-release-1.0-x86_64.rpm
sudo yum -y install couchbase-server-6.5.2-6634
systemctl enable couchbase-server
--//
MIME-Version: 1.0
--//
Content-Type: text/cloud-config; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="cloud-config.txt"
#cloud-config
cloud_final_modules:
- [scripts-user, always]
--//
Content-Type: text/x-shellscript; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="userdata.txt"
#!/bin/bash
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo 0 > /proc/sys/vm/swappiness
curl -O https://packages.couchbase.com/releases/couchbase-release/couchbase-release-1.0-x86_64.rpm
sudo rpm -i ./couchbase-release-1.0-x86_64.rpm
sudo yum -y install couchbase-server-6.5.2-6634
systemctl enable couchbase-server
--//
Allowed Ports In Security Groups:
Client-to-node Ports
********************
Unencrypted: 8091-8096, 9140, 11210, 11211
Encrypted: 11207, 18091-18096
Unencrypted: 8091-8096, 9140, 11210, 11211
Encrypted: 11207, 18091-18096
8091-8096
9140
18091-18096
11207-11211
9140
18091-18096
11207-11211
Note: Above are the commands used in Module 1 & 2 of the Couchbase Database Administration Course.
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