Using tuned.conf to disable mongod startup warnings on RHEL/CentOS 7

RHEL 7 – and CentOS 7, which I used for this test – use tuned.conf to set a lot of system settings. Several of the tuned settings affect MongoDB’s performance; some are important enough that mongod actually triggers startup warnings. The main setting is transparent huge pages, which is a setting that does not work very well with databases in general.

The MongoDB documentation already describes how to disable Transparent Huge Pages (aka THP) using tuned.conf, but there are several other settings that mongod tends to warn users about if you run it on an out-of-the-box CentOS 7.

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Digg Reader shuts down, and thoughts on organising my blog reading

Farewell, Digg Reader

Unfortunately,  Digg announced that Digg Reader is shutting down tomorrow. While I never used Digg Reader as my main RSS feed reader – I’ve got a paid subscription to Feedly – I was very happy to use it as a backup reader for those feeds that weren’t always that great at adhering to the RSS feed standard (I’m looking at you, bringatrailer.com) as it was more forgiving when it parsed feeds. Unfortunately it appears to be another one of the “feed readers are dying” incidents that seems to have started when Google Reader was shut down. There weren’t really that many alternatives in the first place unless one wanted to self host.

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