Understanding radosgw benchmarks

Posted on Wed 18 November 2015 in hints-and-kinks • Tagged with Ceph • 7 min read

We've noticed that there are a few common misconceptions around radosgw performance, and we're hoping that this post can clear up some of those.

radosgw is of course Ceph's RESTful object gateway. That means that you can use any client that speaks the Amazon S3 or OpenStack Swift protocol to …


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Ceph Tech Talk: Placement Groups

Posted on Wed 27 May 2015 in presentations • Tagged with Ceph • 1 min read

A Ceph Tech Talk on the ins and outs of Ceph Placement Groups (PGs).


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Have Data, Want Scale, Indefinitely: Exploring Ceph

Posted on Sat 15 November 2014 in presentations • Tagged with Ceph • 1 min read

An introduction to Ceph (with audio).


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Ceph Performance Demystified: Benchmarks, Tools, and the Metrics that Matter

Posted on Wed 22 October 2014 in presentations • Tagged with Ceph • 1 min read

Mystified about Ceph performance tuning and benchmarking? Don't despair!

This presentation was given at Ceph Day London in 2014.


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Fun with extended attributes in Ceph Dumpling

Posted on Mon 24 February 2014 in hints-and-kinks • Tagged with Ceph • 7 min read

This is a rather nasty bug in Ceph OSD, affecting 0.67 "Dumpling" and earlier releases. It is fixed in versions later than 0.70, and a simple workaround is available, but when it hits, this issue can be pretty painful.

Please read this post to the end. This is …


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