A couple of weeks ago I upgraded to xrootd 3.1.1 (more or less by
accident -- I hadn't planned on upgrading) from 3.0.5 and starting
seeing some problems. In hopes of solving those problems, I upgraded to
3.2.0. Aside from the bug in that version, I started having severe
performance problems. Total read throughput was down about a factor of
2, load average on the server was very high and I was getting large
numbers of timeouts looking for files that were on disk.
I downgraded to 3.1.0 this morning and it seems that my old performance
is back. Is there a configuration change required to get good
performance from 3.1.1 and higher or are there other reasons that could
be causing my poor performance with newer versions?
Thanks.
Paul T. Keener
Department of Physics and Astronomy
University of Pennsylvania
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