Operating System Settings
List of Contents
Set the maximum number of files
An error can occur if this value is too low. Therefore, it is recommended to set it as follows:
sudo vi /etc/security/limits.conf
\#<domain> <type> <item> <value> \# \* hard nofile 65535 \* soft nofile 65535
Check the value after restarting the server.
ulimit -Sn 65535
Set the server time
The correct time must be precisely set in the server where Machbase is installed because Machbase is a database that deals with time series data.
Set the Timezone
Check the current time of the server and ensure that it matches with the local time because Machbase uses the time zone where the server currently operates.
ls -al /etc/localtime
Make sure the file matches with the timezone of your location. If it doesn't match, find the right location from "/usr/share/zoneinfo".
If the location is Los Angeles, use "/usr/share/zoneinfo/America/Los_Angeles", "/etc/localtime" and Symbolic Links or Copy.
For South Korea, it's /usr/share/zoneinfo/ROK. For Japan, it is /usr/share/zoneinfo/Japan.
You can check the timezone by running DATE command. See below.
date Sun July 25 13:00:01 PST 2016
Set the time
If the local time does not match, please reset the time via the following command:
sudo date -s'2016/08/15 12:11:22'