On Sat, Sep 27, 2014 at 8:14 AM, Timur Nurlygayanov
tnurlygaya...@mirantis.com wrote:
Hello all,
I installed OpenStack with Glance + Ceph OSD with replication factor 2 and
now I can see the write operations are extremly slow.
For example, I can see only 0.04 MB/s write speed when I run rados
Hello
I have no experience with Ceph and this specific benchmark tool, anyway
I have experience with several other performance benchmark tools and
file systems and I can say it always happen to have very very low
performance results when the file size is too small (i.e. 1MB).
My suspect is
I also have limited experience with Ceph and rados bench - but it looks
like you're setting the number of worker threads to only 1? (-t 1)
I think the default is 16, and most storage distributed storage systems
designed for concurrency are going to do a bit better if you exercise more
concurrent
Hello all,
I installed OpenStack with Glance + Ceph OSD with replication factor 2 and
now I can see the write operations are extremly slow.
For example, I can see only 0.04 MB/s write speed when I run rados bench
with 512b blocks:
rados bench -p test 60 write --no-cleanup -t 1 -b 512
