All posts by PF

centos – Error Summary – Disk Requirements – more space needed on the /boot filesystem

CentOS

 

Error Summary
-------------
Disk Requirements:
 At least 3MB more space needed on the /boot filesystem.

[root@sd-xxxx pjrfigueiredo]# df -H /boot
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       199M  156M   29M  85% /boot
[root@sd-xxxx pjrfigueiredo]# rpm -qa | grep kernel
kernel-tools-libs-3.10.0-514.16.1.el7.x86_64
abrt-addon-kerneloops-2.1.11-45.el7.centos.x86_64
kernel-tools-3.10.0-514.16.1.el7.x86_64
kernel-3.10.0-514.10.2.el7.x86_64
kernel-3.10.0-514.16.1.el7.x86_64
[root@sd-xxxx pjrfigueiredo]# rpm -e kernel-3.10.0-514.10.2.el7.x86_64
[root@sd-xxxx pjrfigueiredo]# df -H /boot
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       199M  111M   74M  61% /boot

or…

sudo yum remove `rpm -q kernel | grep -v 'uname -r'`

pagespeed – Slow ReadFile operation on file

Apache

[Sat May 27 07:17:27.539747 2017] [pagespeed:error] [pid 19961] [mod_pagespeed 1.11.33.5-0 @19961] Slow ReadFile operation on file /var/cache/mod_pagespeed/rname/ic_QOs6thfRpiBUn09lB5Du/http,3A/,2Fdomain.com/assets/slideshow/slide_02.jpg,40x,40._,: 59.944ms; configure SlowFileLatencyUs to change threshold\n

 

Some disk stats….

sudo hdparm -Tt /dev/root

/dev/root:
 Timing cached reads: 26330 MB in 2.00 seconds = 13178.47 MB/sec
 Timing buffered disk reads: 540 MB in 3.00 seconds = 179.73 MB/sec

I’v added the following lines to my pagespeed configuration file (/etc/apache2/mods-enabled/pagespeed.conf)

ModPagespeedSlowFileLatencyUs 100