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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I don’t know if this a bug or I am doing something wrong. But it seem that mounting a volume with acl,selinux results in poor performance.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The odd thing is that sometimes it’s really slow and other times it just relatively slow.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I tried both on glusterfs version 3.6.2 and 3.6.3. The file system on the bricks are xfs created with “-i size=512” and the gluster volume is a “Distributed-Replicate, Bricks: 2 x 2 = 4”.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">HowTo repro<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># dd if=/dev/zero of=/tmp/masterfile bs=1M count=1000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># shred /tmp/masterfile<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># mkdir /mnt/selinuxtst /mnt/noselinuxtst<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># mount -t glusterfs -o rw,acl,selinux localhost:glu_fs /mnt/selinuxtst<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># mount -t glusterfs -o rw,acl localhost:glu_fs /mnt/noselinuxtst<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My different results with selinux <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># time cp /tmp/masterfile /mnt/selinuxtst/master_selinux01<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">real 0m12.705s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">user 0m0.007s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">sys 0m0.660s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># time cp /tmp/masterfile /mnt/selinuxtst/master_selinux02<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">real 7m22.605s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">user 0m0.025s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">sys 0m1.776s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My different results without selinux<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># time cp /tmp/masterfile /mnt/noselinuxtst/master_noselinux01<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">real 0m2.560s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">user 0m0.007s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">sys 0m0.661s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># time cp /tmp/masterfile /mnt/noselinuxtst/master_noselinux02<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">real 0m3.588s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">user 0m0.004s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">sys 0m0.590s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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