Hi all,
In my reading on the net about various implementations of Ceph, I came across this website blog page (really doesn't give a lot of good information but caused me to wonder):
near the bottom, the person did a rados bench test. During the write phase, there were several areas where there was a 0 in the cur MB/s. I figure there must have been a bottleneck somewhere slowing down the operation where data wasn't getting written. Is something like that during a benchmark test something that one should be concerned about? Is there a good procedure for tracking down where the bottleneck is (like if it's a given OSD?) Is the data cached and just taking a long time to write or is it lost in an instance like that?
-Tony
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