<div dir="ltr"><br><br><div class="gmail_quote"><div dir="ltr">Vijay Bellur <<a href="mailto:vbellur@redhat.com">vbellur@redhat.com</a>> schrieb am Mi., 24. Mai 2017 um 05:53 Uhr:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, May 23, 2017 at 1:39 AM, Christopher Schmidt <span dir="ltr"><<a href="mailto:fakod666@gmail.com" target="_blank">fakod666@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">OK, seems that this works now.<div><br></div><div>A couple of questions:</div><div>- What do you think, are all these options necessary for Kafka?</div></div></blockquote><div><br></div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>I am not entirely certain what subset of options will make it work as I do not understand the nature of failure with Kafka and the default gluster configuration. It certainly needs further analysis to identify the list of options necessary. Would it be possible for you to enable one option after the other and determine the configuration that ?</div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>- You wrote that there have to be kind of <span style="color:rgb(33,33,33);font-size:13px">application profiles. So to find out, which set of options work is currently a matter of testing (and hope)? Or are there any experiences for MongoDB / ProstgreSQL / Zookeeper etc.?</span></div></div></blockquote><div><br></div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>Application profiles are work in progress. We have a few that are focused on use cases like VM storage, block storage etc. at the moment.</div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><font color="#212121">- I am using Heketi and Dynamik Storage Provisioning together with Kubernetes. Can I set this volume options somehow by default or by volume plugin?</font></div></div></blockquote><div><br></div><div><br></div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>Adding Raghavendra and Michael to help address this query.</div></div></div></div></blockquote><div><br></div><div>For me it would be sufficient to disable some (or all) translators, for all volumes that'll be created, somewhere here: <a href="https://github.com/gluster/gluster-containers/tree/master/CentOS">https://github.com/gluster/gluster-containers/tree/master/CentOS</a></div><div>This is the container used by the GlusterFS DaemonSet for Kubernetes.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div><br></div><div>-Vijay</div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><font color="#212121"><br></font></div><div><font color="#212121">Thanks for you help... really appreciated.. Christopher<br></font><div><div class="m_3536760736396527870h5"><br><div class="gmail_quote"><div dir="ltr">Vijay Bellur <<a href="mailto:vbellur@redhat.com" target="_blank">vbellur@redhat.com</a>> schrieb am Mo., 22. Mai 2017 um 16:41 Uhr:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Looks like a problem with caching. Can you please try by disabling all performance translators? The following configuration commands would disable performance translators in the gluster client stack:<div><span style="color:rgb(0,0,0);white-space:pre-wrap"><br></span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.quick-read off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.io-cache off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.write-behind off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.stat-prefetch off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.read-ahead off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.readdir-ahead off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.open-behind off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">gluster volume set <volname> performance.client-io-threads off</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap"><br></span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">Thanks,</span></div><div><span style="color:rgb(0,0,0);white-space:pre-wrap">Vijay</span></div><div><pre class="m_3536760736396527870m_939187346170608779m_7350984224153323897gmail-bz_comment_text m_3536760736396527870m_939187346170608779m_7350984224153323897gmail-bz_wrap_comment_text" id="m_3536760736396527870m_939187346170608779m_7350984224153323897gmail-comment_text_50" style="white-space:pre-wrap;word-wrap:break-word;width:50em;color:rgb(0,0,0)"><br></pre></div><div class="gmail_extra"><br><div class="gmail_quote"></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Mon, May 22, 2017 at 9:46 AM, Christopher Schmidt <span dir="ltr"><<a href="mailto:fakod666@gmail.com" target="_blank">fakod666@gmail.com</a>></span> wrote:<br></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi all,<div><br></div><div>has anyone ever successfully deployed a Kafka (Cluster) on GlusterFS volumes?</div><div><br></div><div>I my case it's a Kafka Kubernetes-StatefulSet and a Heketi GlusterFS.</div><div>Needless to say that I am getting a lot of filesystem related exceptions like this one:</div><div><br></div><div>Failed to read `log header` from file channel `sun.nio.ch.FileChannelImpl@67afa54a`. Expected to read 12 bytes, but reached end of file after reading 0 bytes. Started read from position 123065680.<br></div><div><br></div><div>I limited the amount of exceptions with the log.flush.interval.messages=1 option, but not all...</div><div><br></div><div>best Christopher</div><div><br></div></div>
<br></blockquote></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">_______________________________________________<br>
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