rPi 3B+ getting hot. Redis high CPU usage. (emonSD-13Jun18 dev. specific)

What’s particularly weird is that on my screen it displays as this:


the clipboard again:

Server Information
Emoncms Version low-write 9.8.31 : 2018.06.21
Modules Administration : App v1.1.1 : Backup v1.1.4 : EmonHub Config v1.0.0 : Dashboard v1.3.0 : EventProcesses : Feed : Graph v1.2.0 : Input : postprocess : CoreProcess : Schedule : setup : sync : Time : User : Visualisation : WiFi v1.3.0
Buffer loading…
Writer Daemon is running with sleep 60s
Server OS Linux 4.14.34-v7+
Host emonpi emonpi (127.0.1.1)
Date 2018-08-18 05:28:15 UTC
Uptime 05:28:15 up 13:18, 0 users, load average: 0.56, 0.55, 0.58
HTTP Server Apache/2.4.25 (Raspbian) HTTP/1.1 CGI/1.1 80
MySQL Version 5.5.5-10.1.23-MariaDB-9+deb9u1
Host localhost (127.0.0.1)
Date 2018-08-18 05:28:15 (UTC 00:00‌​)
Stats Uptime: 47885 Threads: 2 Questions: 141 Slow queries: 0 Opens: 44 Flush tables: 1 Open tables: 38 Queries per second avg: 0.002
Redis Version 3.2.6
Host localhost:6379 (127.0.0.1)
Size 0 keys (704.80K)
Uptime 0 days
MQTT Version 1.4.10
Host localhost:1883 (127.0.0.1)
Pi Model Raspberry Pi 3 Model B+ Rev 1.3 - 1 GB (Sony UK)
SoC Broadcom BCM2835
Serial num. 3000F93D
Temperature CPU: 65.53°C - GPU: 65.5’C
Release emonSD-13Jun18
File-system Current: read-only - Set root file-system temporarily to read-write, (default read-only)
Memory RAM Used: 29.35% Total: 976.74 MB Used: 286.71 MB Free: 690.03 MB
Disk Mount Stats
/ Used: 86.33% Total: 3.33 GB Used: 2.87 GB Free: 301.07 MB
/home/pi/data Used: 3.54% Total: 3.46 GB Used: 125.38 MB Free: 3.16 GB
/boot Used: 42.70% Total: 59.95 MB Used: 25.59 MB Free: 34.35 MB
PHP Version 7.0.27-0+deb9u1 (Zend Version 3.0.0)
Modules apache2handler : calendar v7.0.27-0+deb9u1 : Core v7.0.27-0+deb9u1 : ctype v7.0.27-0+deb9u1 : curl v7.0.27-0+deb9u1 : date v7.0.27-0+deb9u1 : dom v20031129 : exif v7.0.27-0+deb9u1 : fileinfo v1.0.5 : filter v7.0.27-0+deb9u1 : ftp v7.0.27-0+deb9u1 : gd v7.0.27-0+deb9u1 : gettext v7.0.27-0+deb9u1 : hash v1.0 : iconv v7.0.27-0+deb9u1 : igbinary v2.0.1 : json v1.4.0 : libxml v7.0.27-0+deb9u1 : mcrypt v7.0.27-0+deb9u1 : mosquitto v0.4.0 : mysqli v7.0.27-0+deb9u1 : mysqlnd vmysqlnd 5.0.12-dev - 20150407 - $Id: b5c5906d452ec590732a93b051f3827e02749b83 $ : openssl v7.0.27-0+deb9u1 : pcre v7.0.27-0+deb9u1 : PDO v7.0.27-0+deb9u1 : pdo_mysql v7.0.27-0+deb9u1 : Phar v2.0.2 : posix v7.0.27-0+deb9u1 : readline v7.0.27-0+deb9u1 : redis v3.1.1 : Reflection v7.0.27-0+deb9u1 : session v7.0.27-0+deb9u1 : shmop v7.0.27-0+deb9u1 : SimpleXML v7.0.27-0+deb9u1 : sockets v7.0.27-0+deb9u1 : SPL v7.0.27-0+deb9u1 : standard v7.0.27-0+deb9u1 : sysvmsg v7.0.27-0+deb9u1 : sysvsem v7.0.27-0+deb9u1 : sysvshm v7.0.27-0+deb9u1 : tokenizer v7.0.27-0+deb9u1 : wddx v7.0.27-0+deb9u1 : xml v7.0.27-0+deb9u1 : xmlreader v7.0.27-0+deb9u1 : xmlwriter v7.0.27-0+deb9u1 : xsl v7.0.27-0+deb9u1 : Zend OPcache v7.0.27-0+deb9u1 : zlib v7.0.27-0+deb9u1

Client Information
HTTP Browser Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:61.0) Gecko/20100101 Firefox/61.0
Screen Resolution 1440 x 900
Window Size 1425 x 799