[Gluster-users] gluster small file performance

[Jeff Darcy]

> Note: The log files attached have the "No data available" messages parsed out
> to reduce the file size. There were an enormous amount of these. One of my
> colleagues submitted something to the message board about these errors in
> 3.7.3.

> > [2015-08-17 17:03:37.270219] W [fuse-bridge.c:1230:fuse_err_cbk]
> > 0-glusterfs-fuse: 6643: REMOVEXATTR()
> > /boost_1_57_0/boost/accumulators/accumulators.hpp => -1 (No data available)
> 
> > [2015-08-17 17:03:37.271004] W [fuse-bridge.c:1230:fuse_err_cbk]
> > 0-glusterfs-fuse: 6646: REMOVEXATTR()
> > /boost_1_57_0/boost/accumulators/accumulators.hpp => -1 (No data available)
> 
> > [2015-08-17 17:03:37.271663] W [fuse-bridge.c:1230:fuse_err_cbk]
> > 0-glusterfs-fuse: 6648: REMOVEXATTR()
> > /boost_1_57_0/boost/accumulators/accumulators.hpp => -1 (No data available)
> 
> > [2015-08-17 17:03:37.274273] W [fuse-bridge.c:1230:fuse_err_cbk]
> > 0-glusterfs-fuse: 6662: REMOVEXATTR()
> > /boost_1_57_0/boost/accumulators/accumulators_fwd.hpp => -1 (No data
> > available)
> 

I can't help but wonder how much these are affecting your performance. That's a lot of extra messages, and even more effort to log the failures. When I run your tests myself, I don't see any of these and I don't see a performance drop-off either. Maybe something ACL- or SELinux-related? It would be extra-helpful to get a stack trace for just one of these, to see where they're coming from. 
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