[Bugs] [Bug 1467614] Performance improvements in socket layer

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1467614



--- Comment #11 from Krutika Dhananjay <kdhananj at redhat.com> ---
(In reply to Krutika Dhananjay from comment #10)
> That's interesting.
> 
> I actually ran pure randrd job again on Sanjay's setup (through vms) with
> the best configuration known yet and with mempool and mem-accounting
> disabled in code last week. And I saw that the FUSE thread is consistently
> at 95% CPU utilization. I'm running perf-record on this build right now to
> see where the thread is spending all its time.
> 
> As for the perf record output above, I think using the "-call-graph=dwarf"
> option should also get us the backtrace, though this would require
> glusterfs-debuginfo package to be installed.
> 
> -Krutika

The 95% CPU utilization was *with* client-io-threads enabled. Also
double-checked to see that the translator does appear in the client volfile
too.

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