<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, Mar 4, 2016 at 11:48 AM, Sunny Shin <span dir="ltr"><<a href="mailto:sunny4s.git@gmail.com" target="_blank">sunny4s.git@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><br></div><div>Yaniv,</div><div><br></div><div>Could you a little bit more elaborate what you are working on for engine scailability? I thought that active-active ha is the only way for that.</div></blockquote><div><br></div><div>Active Active is useful for both HA (where we believe hosted-engine is a good solution) as well as scalability. If we improve the current scalability, then we are good there too.</div><div>I've given several items below - it'd be difficult to enumerate all of them - I suggest going through the gerrit commits in the last 2 months or so and look at some of the work that has taken and is taking place, across all areas of the product. Few random examples:</div><div><a href="https://gerrit.ovirt.org/#/c/36593/">https://gerrit.ovirt.org/#/c/36593/</a><br></div><div><a href="https://gerrit.ovirt.org/#/c/51235/">https://gerrit.ovirt.org/#/c/51235/</a><br></div><div><br></div><div><br></div><div>Is there anything specifically you are looking for?</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><span></span></div><div><br></div><div>Sunny</div><br><br>2016년 3월 4일 금요일, Yaniv Kaul<<a href="mailto:ykaul@redhat.com" target="_blank">ykaul@redhat.com</a>>님이 작성한 메시지:<div class=""><div class="h5"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 4, 2016 at 10:45 AM, Sunny Shin <span dir="ltr"><<a>sunny4s.git@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Hi Yaniv,<div><br></div><div>Is there a plan to implement active-active HA in the near future? Is there any progress on it since the discussion in August 2013?</div></div></blockquote><div><br></div><div>No, not at the moment. We feel that Self-Hosted Engine (SHE) is a great solution thus far.</div><div>We are working on improving the performance and scale of the engine, to be able to handle more load, more hosts, more VMs, etc.</div><div>This is an ongoing work across all components, from VDSM, to engine core, REST API, database calls and more.</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><span><font color="#888888"><div><br></div><div>Sunny</div></font></span></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">2016-03-04 17:38 GMT+09:00 Yaniv Kaul <span dir="ltr"><<a>ykaul@redhat.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Fri, Mar 4, 2016 at 2:03 AM, Sunny Shin <span dir="ltr"><<a>sunny4s.git@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>Hi All,</div><div><br></div><div>In the new architecture page (<a href="http://www.ovirt.org/documentation/architecture/architecture/" target="_blank">http://www.ovirt.org/documentation/architecture/architecture/</a>), overall architecture picture shows that engine supports active-active high availability.</div></div></blockquote><div><br></div></span><div>This is inaccurate - the engine is not highly available in A/A architecture. I'd appreciate if you could file an issue for it so we'll fix this page.</div><span><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div><br></div><div>However, as per engine HA page (<a href="http://www.ovirt.org/develop/release-management/features/engine/engine-high-availability/" target="_blank">http://www.ovirt.org/develop/release-management/features/engine/engine-high-availability/</a>), active-active HA is not supported yet and there are several implementation issues.</div><div><br></div><div>So, could anyone give me a brief explanation about discrepancy between these two pages, and about the plan to implement this feature if not implemented yet?</div></div></blockquote><div><br></div></span><div>I suggest looking at self-hosted engine, which provides non-A/A high availability for the engine.</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><span><font color="#888888"><div><br></div><div>Sunny</div></font></span></div>
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