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41%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
if you enter the correct address in the mdadm.conf file under MailAddr. 2. The MegaRAID Storage Manager (MSM) is the first stop for regular consistency checks for LSI. One clear advantage is that MSM runs
41%
Managing Linux Memory
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © J.R. Bale, 123RF.com
/sys/vm/swappiness This setting, however, does not survive a restart of the system. To achieve a permanent change, you need an entry in the /etc/sysctl.conf configuration file. If you set vm.swappiness = 0, for example, the kernel
41%
Useful NFS options for tuning and management
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © gortan123, 123RF.com
and the defaults will be used. To make the values survive reboots, you need to enter them in the proper form in the /etc/sysctl.conf file. Just be aware that increasing the buffer sizes doesn't necessarily mean
41%
The practical benefits of network namespaces
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Morganimation, fotolia.com
configuration sets up a separate network namespace named ns1: sudo mkdir -p /etc/netns/ns1 echo nameserver 8.8.1.1 | sudo tee /etc/netns/ns1/resolv.conf This ability can also be extended to applications that do
41%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
:00:03.000207 In my httpd.conf file, I set a timeout of five seconds. If the SQL query runs for 4.9 seconds, the server should still provide a reasonable answer, but not after 5.1 seconds (Listing 3). Listing 3
41%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
, using pg_hba.conf. You can also stipulate popular PostgreSQL keywords for the database connection (e.g., host, dbname, port, etc.). However, user, password, failback_application_name, and client
41%
SDS configuration and performance
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Jakub Jirsak, 123RF.com
therefore recommends creating a separate directory for each Ceph cluster. The command ceph-deploy new mon-node starts the installation. Among other things, it generates the ceph.conf file in the current

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