Hi, This topic was raised several times, but we since have no such thing. We are interested in some tool, which allow us to collect all or any counters from whole cluster. Now we have internal way to get counters via admin socket, but we need to do it directly on each node or use some external network commands. There are similar message from Sage Weil in ceph-devel maillist some weeks ago. It was about perf-watch.py script, which is available from ceph repository, but it provides only per-node work too (and works on vbstart cluster, so to use it on working system some changes must be done). We are working now on tool, which has similar possibilities, but it can collect counters either from one node, or from all ceph nodes. Also tool provide possibility to check system resources usage by ceph processes.Now it uses ssh, so it doesn't work good, if you have no password-less access to all nodes. The first version of this tool is available on github (https://github.com/Ved-vampir/ceph-perf-tool). May be, after improvements, this tool will be useful for other people and it can appear in ceph in some way. It would be cose, if such utility will be in ceph "out of the box". May be, we can merge it? It would be great, if there will be internal possibility to collect info about whole cluster from one node. May be, something like extension for "tell" command, which can call any node directly and replace external network connections. Or improved version of "ceph osd perf" command, which would allow to get more info. ------------------------------- Best regards, Alyona Kiseleva -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
