<div dir="ltr"><div dir="ltr">How a Cache Stampede Caused One of Facebook’s Biggest Outages</div><div dir="ltr"><a href="https://betterprogramming.pub/how-a-cache-stampede-caused-one-of-facebooks-biggest-outages-dbb964ffc8ed">https://betterprogramming.pub/how-a-cache-stampede-caused-one-of-facebooks-biggest-outages-dbb964ffc8ed</a> <br></div><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 5, 2021 at 9:02 AM Ali Hussein via KICTANet <<a href="mailto:kictanet@lists.kictanet.or.ke">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div style="font-family:georgia,serif">Someone asked me last night what was the impact on African businesses during the downtime.</div><div style="font-family:georgia,serif"><br></div><div style="font-family:georgia,serif">It would be great to do a quick study on this. Maybe the Facebook team can assist us with this. One thing for me is clear and w shouldn't lose sight of this - Any system in the world can have downtime. Big Tech is not an exception. I'm keen for us to discuss mitigating these systemic risks. </div><div style="font-family:georgia,serif"><br></div><div style="font-family:georgia,serif">Regards</div><div style="font-family:georgia,serif"><br></div><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p style="margin:0in 0in 0pt"><b><font face="georgia, serif" size="2">Ali
Hussein</font></b></p><p style="margin:0in 0in 0pt"><font face="georgia, serif" size="2"><span>Fintech | </span>Digital Transformation</font></p><p style="margin:0in 0in 0pt"><br></p><p style="margin:0in 0in 0pt"><font size="2"><span style="font-family:georgia,serif"><span>T<font size="2">el: +254 713 60<font size="2">1113</font></font><br></span></span></font></p><p style="margin:0in 0in 0pt"><font size="2"><span style="font-family:georgia,serif"><span>Twitter: @AliHKassim</span><span></span></span></font></p><font size="2"><span style="font-family:georgia,serif">
</span></font><p style="margin:0in 0in 0pt"><font size="2"><span style="font-family:georgia,serif"><span>Skype: abu-jomo</span></span></font></p><p style="margin:0in 0in 0pt"><font size="2"><span style="font-family:georgia,serif"><span>LinkedIn: <a href="http://ke.linkedin.com/in/alihkassim" target="_blank">http://ke.linkedin.com/in/alihkassim</a></span><a href="http://ke.linkedin.com/in/alihkassim" target="_blank"><span style="color:windowtext;text-decoration:none"></span></a></span></font></p><p style="margin:0in 0in 0pt"><font size="2"><span style="font-family:georgia,serif"><br></span></font></p><p style="font-size:small;margin:0cm 0cm 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-size:9pt;font-family:georgia;color:black"><br></span></p><font size="2"><span style="font-family:georgia,serif"><span><br><font size="1">Any information of a personal nature expressed in this email are purely mine and do not necessarily reflect the official positions of the organizations that I work with.</font></span></span></font><span style="font-family:"Baskerville Old Face",serif;font-size:11pt"></span><span style="font-size:11pt"></span>
<span style="font-family:"Baskerville Old Face",serif"></span></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 5, 2021 at 7:34 AM Barrack Otieno via KICTANet <<a href="mailto:kictanet@lists.kictanet.or.ke" target="_blank">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Could be domain name system related. Twitter has been here before. Happens to the best of Infrastructure and that is why we need critical infrastructure protection laws in place in this day and age.<div dir="auto"><br></div><div dir="auto">Regards </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 5 Oct 2021, 4:50 am Ronald Ojino via KICTANet, <<a href="mailto:kictanet@lists.kictanet.or.ke" target="_blank">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Of great interest would be to know the cause of the outage. <div>I Hope it wasn't as a result of a security breach.</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 5, 2021 at 12:02 AM Mutindi Muema via KICTANet <<a href="mailto:kictanet@lists.kictanet.or.ke" rel="noreferrer" target="_blank">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">The memes are hilarious 🤣🤣🤣🤣<br><img style="max-width: 288px; height: auto;"><br><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 4 Oct 2021, 20:21 Egline Jeptoo via KICTANet, <<a href="mailto:kictanet@lists.kictanet.or.ke" rel="noreferrer" target="_blank">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Twitter usage now must be high to an extend Facebook is acknowledging the outage on Twitter 🙂 <div dir="auto"><br><div dir="auto">"We’re aware that some people are having trouble accessing our apps and products. We’re working to get things back to normal as quickly as possible, and we apologize for any inconvenience."</div><div dir="auto"><br><div dir="auto"><div dir="auto"><a href="https://twitter.com/Facebook/status/1445061804636479493?s=19" rel="noreferrer noreferrer noreferrer" target="_blank">https://twitter.com/Facebook/status/1445061804636479493?s=19</a><br></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 4 Oct 2021, 19:26 A Mutheu via KICTANet, <<a href="mailto:kictanet@lists.kictanet.or.ke" rel="noreferrer noreferrer noreferrer" target="_blank">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Hi Barrack,<div dir="auto"><br></div><div dir="auto">I guess Mark Zuckerberg showing the world who runs the world after being called out today - smile.</div><div dir="auto"><br></div><div dir="auto">WhatsApp, Facebook & Instagram have crashed worldwide.</div><div dir="auto"><br></div><div dir="auto">Would be intresting to know the twitter usage spike currently.</div><div dir="auto"><br></div><div dir="auto">Stay happy,</div><div dir="auto"><br></div><div dir="auto">Mutheu.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 4 Oct 2021, 7:14 pm Barrack Otieno via KICTANet, <<a href="mailto:kictanet@lists.kictanet.or.ke" rel="noreferrer noreferrer noreferrer noreferrer" target="_blank">kictanet@lists.kictanet.or.ke</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Good Evening listers,</div><div><br></div><div>Is it just on my end?, indeed uptime can only be 99.9%<br></div><div><br></div><div>Regards<br></div><div><br>-- <br><div dir="ltr">Barrack O. Otieno<br>+254721325277<br>+254733206359<br>Skype: barrack.otieno<br>PGP ID: 0x2611D86A<br> <br><br><br><br></div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><font face="Verdana, Arial, Helvetica, sans-serif">Faith
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Best regards,<div>Manasseh Muhia</div><div><a href="https://remote.com/manassehmuhia" target="_blank">Website</a> | <a href="https://www.linkedin.com/in/manasseh-mwangi" target="_blank">Linkedin</a> | <a href="http://stackoverflow.com/story/manasseh" target="_blank">Stackoverflow</a> | <a href="https://github.com/manathe" target="_blank">Github</a> | <a href="https://bitbucket.org/manathe/" target="_blank">Bitbucket</a> <br></div></div></div></div></div></div></div></div></div></div>