454 lines
38 KiB
HTML
454 lines
38 KiB
HTML
<!DOCTYPE html>
|
||
<html lang="en-US">
|
||
<head>
|
||
<meta charset="UTF-8" />
|
||
<meta name="viewport" content="initial-scale=1.0" />
|
||
<title>SRE Weekly Issue #72 – SRE WEEKLY</title>
|
||
<meta name='robots' content='max-image-preview:large' />
|
||
<link rel="profile" href="http://gmpg.org/xfn/11" />
|
||
<link rel="pingback" href="https://sreweekly.com/xmlrpc.php" />
|
||
<link rel="alternate" type="application/rss+xml" title="SRE WEEKLY » Feed" href="https://sreweekly.com/feed/" />
|
||
<link rel="alternate" type="application/rss+xml" title="SRE WEEKLY » Comments Feed" href="https://sreweekly.com/comments/feed/" />
|
||
<link rel="alternate" type="application/rss+xml" title="SRE WEEKLY » SRE Weekly Issue #72 Comments Feed" href="https://sreweekly.com/sre-weekly-issue-72/feed/" />
|
||
<link rel="alternate" title="oEmbed (JSON)" type="application/json+oembed" href="https://sreweekly.com/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fsreweekly.com%2Fsre-weekly-issue-72%2F" />
|
||
<link rel="alternate" title="oEmbed (XML)" type="text/xml+oembed" href="https://sreweekly.com/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fsreweekly.com%2Fsre-weekly-issue-72%2F&format=xml" />
|
||
<style id="wp-img-auto-sizes-contain-inline-css">
|
||
img:is([sizes=auto i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px}
|
||
/*# sourceURL=wp-img-auto-sizes-contain-inline-css */
|
||
</style>
|
||
<style id="wp-block-library-inline-css">
|
||
:root{--wp-block-synced-color:#7a00df;--wp-block-synced-color--rgb:122,0,223;--wp-bound-block-color:var(--wp-block-synced-color);--wp-editor-canvas-background:#ddd;--wp-admin-theme-color:#007cba;--wp-admin-theme-color--rgb:0,124,186;--wp-admin-theme-color-darker-10:#006ba1;--wp-admin-theme-color-darker-10--rgb:0,107,160.5;--wp-admin-theme-color-darker-20:#005a87;--wp-admin-theme-color-darker-20--rgb:0,90,135;--wp-admin-border-width-focus:2px}@media (min-resolution:192dpi){:root{--wp-admin-border-width-focus:1.5px}}.wp-element-button{cursor:pointer}:root .has-very-light-gray-background-color{background-color:#eee}:root .has-very-dark-gray-background-color{background-color:#313131}:root .has-very-light-gray-color{color:#eee}:root .has-very-dark-gray-color{color:#313131}:root .has-vivid-green-cyan-to-vivid-cyan-blue-gradient-background{background:linear-gradient(135deg,#00d084,#0693e3)}:root .has-purple-crush-gradient-background{background:linear-gradient(135deg,#34e2e4,#4721fb 50%,#ab1dfe)}:root .has-hazy-dawn-gradient-background{background:linear-gradient(135deg,#faaca8,#dad0ec)}:root .has-subdued-olive-gradient-background{background:linear-gradient(135deg,#fafae1,#67a671)}:root .has-atomic-cream-gradient-background{background:linear-gradient(135deg,#fdd79a,#004a59)}:root .has-nightshade-gradient-background{background:linear-gradient(135deg,#330968,#31cdcf)}:root .has-midnight-gradient-background{background:linear-gradient(135deg,#020381,#2874fc)}:root{--wp--preset--font-size--normal:16px;--wp--preset--font-size--huge:42px}.has-regular-font-size{font-size:1em}.has-larger-font-size{font-size:2.625em}.has-normal-font-size{font-size:var(--wp--preset--font-size--normal)}.has-huge-font-size{font-size:var(--wp--preset--font-size--huge)}:root .has-text-align-center{text-align:center}:root .has-text-align-left{text-align:left}:root .has-text-align-right{text-align:right}.has-fit-text{white-space:nowrap!important}#end-resizable-editor-section{display:none}.aligncenter{clear:both}.items-justified-left{justify-content:flex-start}.items-justified-center{justify-content:center}.items-justified-right{justify-content:flex-end}.items-justified-space-between{justify-content:space-between}.screen-reader-text{word-wrap:normal!important;border:0;clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-break:normal!important}.screen-reader-text:focus{background-color:#ddd;clip-path:none;color:#444;display:block;font-size:1em;height:auto;left:5px;line-height:normal;padding:15px 23px 14px;text-decoration:none;top:5px;width:auto;z-index:100000}html :where(.has-border-color){border-style:solid}html :where([style^=border-color],[style*=";border-color"],[style*="; border-color"]){border-style:solid}html :where([style^=border-top-color],[style*=";border-top-color"],[style*="; border-top-color"]){border-top-style:solid}html :where([style^=border-right-color],[style*=";border-right-color"],[style*="; border-right-color"]){border-right-style:solid}html :where([style^=border-bottom-color],[style*=";border-bottom-color"],[style*="; border-bottom-color"]){border-bottom-style:solid}html :where([style^=border-left-color],[style*=";border-left-color"],[style*="; border-left-color"]){border-left-style:solid}html :where([style^=border-width],[style*=";border-width"],[style*="; border-width"]){border-style:solid}html :where([style^=border-top-width],[style*=";border-top-width"],[style*="; border-top-width"]){border-top-style:solid}html :where([style^=border-right-width],[style*=";border-right-width"],[style*="; border-right-width"]){border-right-style:solid}html :where([style^=border-bottom-width],[style*=";border-bottom-width"],[style*="; border-bottom-width"]){border-bottom-style:solid}html :where([style^=border-left-width],[style*=";border-left-width"],[style*="; border-left-width"]){border-left-style:solid}html :where(img[class*=wp-image-]){height:auto;max-width:100%}:where(figure){margin:0 0 1em}html :where(.is-position-sticky){--wp-admin--admin-bar--position-offset:var(--wp-admin--admin-bar--height,0px)}@media screen and (max-width:600px){html :where(.is-position-sticky){--wp-admin--admin-bar--position-offset:0px}}
|
||
|
||
/*# sourceURL=/wp-includes/css/dist/block-library/common.min.css */
|
||
</style>
|
||
<style id="classic-theme-styles-inline-css">
|
||
/*! This file is auto-generated */
|
||
.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}
|
||
/*# sourceURL=/wp-includes/css/classic-themes.min.css */
|
||
</style>
|
||
|
||
<style id="global-styles-inline-css">
|
||
:root{--wp--preset--aspect-ratio--square: 1;--wp--preset--aspect-ratio--4-3: 4/3;--wp--preset--aspect-ratio--3-4: 3/4;--wp--preset--aspect-ratio--3-2: 3/2;--wp--preset--aspect-ratio--2-3: 2/3;--wp--preset--aspect-ratio--16-9: 16/9;--wp--preset--aspect-ratio--9-16: 9/16;--wp--preset--color--black: #000000;--wp--preset--color--cyan-bluish-gray: #abb8c3;--wp--preset--color--white: #ffffff;--wp--preset--color--pale-pink: #f78da7;--wp--preset--color--vivid-red: #cf2e2e;--wp--preset--color--luminous-vivid-orange: #ff6900;--wp--preset--color--luminous-vivid-amber: #fcb900;--wp--preset--color--light-green-cyan: #7bdcb5;--wp--preset--color--vivid-green-cyan: #00d084;--wp--preset--color--pale-cyan-blue: #8ed1fc;--wp--preset--color--vivid-cyan-blue: #0693e3;--wp--preset--color--vivid-purple: #9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple: linear-gradient(135deg,rgb(6,147,227) 0%,rgb(155,81,224) 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan: linear-gradient(135deg,rgb(122,220,180) 0%,rgb(0,208,130) 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange: linear-gradient(135deg,rgb(252,185,0) 0%,rgb(255,105,0) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red: linear-gradient(135deg,rgb(255,105,0) 0%,rgb(207,46,46) 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray: linear-gradient(135deg,rgb(238,238,238) 0%,rgb(169,184,195) 100%);--wp--preset--gradient--cool-to-warm-spectrum: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);--wp--preset--gradient--blush-light-purple: linear-gradient(135deg,rgb(255,206,236) 0%,rgb(152,150,240) 100%);--wp--preset--gradient--blush-bordeaux: linear-gradient(135deg,rgb(254,205,165) 0%,rgb(254,45,45) 50%,rgb(107,0,62) 100%);--wp--preset--gradient--luminous-dusk: linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%);--wp--preset--gradient--pale-ocean: linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 50%,rgb(51,167,181) 100%);--wp--preset--gradient--electric-grass: linear-gradient(135deg,rgb(202,248,128) 0%,rgb(113,206,126) 100%);--wp--preset--gradient--midnight: linear-gradient(135deg,rgb(2,3,129) 0%,rgb(40,116,252) 100%);--wp--preset--font-size--small: 13px;--wp--preset--font-size--medium: 20px;--wp--preset--font-size--large: 36px;--wp--preset--font-size--x-large: 42px;--wp--preset--spacing--20: 0.44rem;--wp--preset--spacing--30: 0.67rem;--wp--preset--spacing--40: 1rem;--wp--preset--spacing--50: 1.5rem;--wp--preset--spacing--60: 2.25rem;--wp--preset--spacing--70: 3.38rem;--wp--preset--spacing--80: 5.06rem;--wp--preset--shadow--natural: 6px 6px 9px rgba(0, 0, 0, 0.2);--wp--preset--shadow--deep: 12px 12px 50px rgba(0, 0, 0, 0.4);--wp--preset--shadow--sharp: 6px 6px 0px rgba(0, 0, 0, 0.2);--wp--preset--shadow--outlined: 6px 6px 0px -3px rgb(255, 255, 255), 6px 6px rgb(0, 0, 0);--wp--preset--shadow--crisp: 6px 6px 0px rgb(0, 0, 0);}.wp-block-button{--wp--preset--dimension--25: 25%;--wp--preset--dimension--50: 50%;--wp--preset--dimension--75: 75%;--wp--preset--dimension--100: 100%;}:where(body) { margin: 0; }:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flex{display: flex;}.is-layout-flex{flex-wrap: wrap;align-items: center;}.is-layout-flex > :is(*, div){margin: 0;}body .is-layout-grid{display: grid;}.is-layout-grid > :is(*, div){margin: 0;}body{padding-top: 0px;padding-right: 0px;padding-bottom: 0px;padding-left: 0px;}:root :where(.wp-element-button, .wp-block-button__link){background-color: #32373c;border-width: 0;color: #fff;font-family: inherit;font-size: inherit;font-style: inherit;font-weight: inherit;letter-spacing: inherit;line-height: inherit;padding-top: calc(0.667em + 2px);padding-right: calc(1.333em + 2px);padding-bottom: calc(0.667em + 2px);padding-left: calc(1.333em + 2px);text-decoration: none;text-transform: inherit;}.has-black-color{color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color: var(--wp--preset--color--white) !important;}.has-pale-pink-color{color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color: var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color: var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color: var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color: var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color: var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background: var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background: var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background: var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background: var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background: var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background: var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background: var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background: var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background: var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background: var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size: var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size: var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size: var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size: var(--wp--preset--font-size--x-large) !important;}
|
||
/*# sourceURL=global-styles-inline-css */
|
||
</style>
|
||
|
||
<link rel='stylesheet' id='genericons-css' href='https://sreweekly.com/wp-content/themes/frontier/includes/genericons/genericons.css?ver=1.3.5' media='all' />
|
||
<link rel='stylesheet' id='frontier-main-css' href='https://sreweekly.com/wp-content/themes/frontier/style.css?ver=1.3.5' media='all' />
|
||
<link rel='stylesheet' id='frontier-responsive-css' href='https://sreweekly.com/wp-content/themes/frontier/responsive.css?ver=1.3.5' media='all' />
|
||
<script id="jquery-core-js" src="https://sreweekly.com/wp-includes/js/jquery/jquery.min.js?ver=3.7.1"></script>
|
||
<script id="jquery-migrate-js" src="https://sreweekly.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1"></script>
|
||
<link rel="https://api.w.org/" href="https://sreweekly.com/wp-json/" /><link rel="alternate" title="JSON" type="application/json" href="https://sreweekly.com/wp-json/wp/v2/posts/509" /><link rel="EditURI" type="application/rsd+xml" title="RSD" href="https://sreweekly.com/xmlrpc.php?rsd" />
|
||
<meta name="generator" content="WordPress 7.1" />
|
||
<link rel="canonical" href="https://sreweekly.com/sre-weekly-issue-72/" />
|
||
<link rel='shortlink' href='https://sreweekly.com/?p=509' />
|
||
|
||
<meta property="Frontier Theme" content="1.3.5" />
|
||
<style type="text/css" media="screen">
|
||
#container {width: 960px;}
|
||
#header {min-height: 0px;}
|
||
#content {width: 65%;}
|
||
#sidebar-left {width: 35%;}
|
||
#sidebar-right {width: 35%;}
|
||
</style>
|
||
|
||
<style type="text/css" media="screen">
|
||
.page-template-page-cs-php #content, .page-template-page-sc-php #content {width: 65%;}
|
||
.page-template-page-cs-php #sidebar-left, .page-template-page-sc-php #sidebar-left,
|
||
.page-template-page-cs-php #sidebar-right, .page-template-page-sc-php #sidebar-right {width: 35%;}
|
||
.page-template-page-scs-php #content {width: 50%;}
|
||
.page-template-page-scs-php #sidebar-left {width: 25%;}
|
||
.page-template-page-scs-php #sidebar-right {width: 25%;}
|
||
</style>
|
||
|
||
<style type="text/css" media="screen">
|
||
#header {background-color:#FFFFFF;}
|
||
#nav-main {background-color:#096572;}
|
||
#nav-main .nav-main {border-left: 1px solid #003d4a; border-right: 1px solid #278390;}
|
||
#nav-main .nav-main > li, #nav-main .nav-main > ul > .page_item {border-left: 1px solid #278390; border-right: 1px solid #003d4a;}
|
||
#top-bar {background-color:#222222;}
|
||
#bottom-bar {background-color:#222222;}
|
||
#main {background-color:#F5F5F5;}
|
||
.blog-view, .single-view, .author-info, .archive-info, .form-404 {background-color:#FFFFFF;}
|
||
.blog-view.sticky {background-color:#FFDC8A;}
|
||
.frontier-widget {background-color:#FFFFFF;}
|
||
.blog-view, .comment-author-admin > .comment-body, .bypostauthor > .comment-body {border-top: 6px solid #047e90;}
|
||
.page-nav > *, .comment-nav > *, .author-info .title, .comment-reply-link, .widget-title,
|
||
.widget_search .search-submit, .widget_calendar caption {background-color:#047e90;}
|
||
.genericon {color:#047e90;}
|
||
a {color:#07525c;}
|
||
a:hover {color:#047e90;}
|
||
</style>
|
||
|
||
<style id="custom-background-css">
|
||
body.custom-background { background-image: url("https://sreweekly.com/wp-content/themes/frontier/images/honeycomb.png"); background-position: left top; background-size: auto; background-repeat: repeat; background-attachment: scroll; }
|
||
</style>
|
||
<link rel="icon" href="https://sreweekly.com/wp-content/uploads/2015/12/cropped-sreweekly-logo-axes-32x32.png" sizes="32x32" />
|
||
<link rel="icon" href="https://sreweekly.com/wp-content/uploads/2015/12/cropped-sreweekly-logo-axes-192x192.png" sizes="192x192" />
|
||
<link rel="apple-touch-icon" href="https://sreweekly.com/wp-content/uploads/2015/12/cropped-sreweekly-logo-axes-180x180.png" />
|
||
<meta name="msapplication-TileImage" content="https://sreweekly.com/wp-content/uploads/2015/12/cropped-sreweekly-logo-axes-270x270.png" />
|
||
|
||
<!-- Custom CSS -->
|
||
<style type="text/css" media="screen">
|
||
#header-logo {
|
||
padding: 3%;
|
||
width: 35em;
|
||
max-width: 100%;
|
||
}
|
||
|
||
H1, h2, h3, h4, h5, h6, #theme-link, #nav-main .nav-main a, #nav-top .nav-top a, .widget-title {
|
||
font-family: 'Roboto', Sans-serif;
|
||
}
|
||
|
||
.email_only {
|
||
display: none;
|
||
}
|
||
|
||
.pocket-post, .sreweekly-entry {
|
||
margin-top: 0.5em;
|
||
margin-bottom: 0.5em;
|
||
}
|
||
|
||
.pocket-title A,
|
||
.sreweekly-title A,
|
||
.sreweekly-outages LI A {
|
||
font-weight: bold;
|
||
}
|
||
|
||
.entry-content H2 {
|
||
margin-top: 1em;
|
||
}
|
||
|
||
.sreweekly-outage {
|
||
list-style-type: none !important;
|
||
}
|
||
|
||
.sreweekly-footer {
|
||
font-style: italic;
|
||
text-align: center;
|
||
}
|
||
|
||
.widget-footer {
|
||
background: rgb(228,228,228);
|
||
border: 1px solid black;
|
||
//box-shadow: 2px 2px 5px rgb(32,32,32);
|
||
box-shadow: 0 0 2px #181818;
|
||
}
|
||
|
||
IMG.sreweekly-bio {
|
||
border: 1px solid black;
|
||
box-shadow: 0 0 2px #333;
|
||
margin-right: 1em;
|
||
margin-bottom: 0.2em;
|
||
}
|
||
|
||
.page .entry-title {
|
||
text-transform: uppercase;
|
||
}
|
||
|
||
blockquote em {
|
||
font-weight: bold;
|
||
}
|
||
|
||
.sreweekly-sponsor-message {
|
||
border: 1px solid #b0b0b0;
|
||
margin-top: 2rem;
|
||
margin-bottom: 2rem;
|
||
margin-left: auto;
|
||
margin-right: auto;
|
||
padding-left: 1rem;
|
||
padding-right: 1rem;
|
||
width: 80%;
|
||
align: center;
|
||
}
|
||
|
||
.sreweekly-sponsor-message h2 {
|
||
text-align: center;
|
||
font-size: 75%;
|
||
color: #979797;
|
||
}
|
||
</style>
|
||
<!-- Custom CSS End -->
|
||
|
||
<link rel='stylesheet' id='yikes-inc-easy-mailchimp-public-styles-css' href='https://sreweekly.com/wp-content/plugins/yikes-inc-easy-mailchimp-extender/public/css/yikes-inc-easy-mailchimp-extender-public.min.css?ver=7.1' media='all' />
|
||
|
||
</head>
|
||
|
||
<body class="wp-singular post-template-default single single-post postid-509 single-format-standard custom-background wp-theme-frontier">
|
||
|
||
|
||
|
||
<div id="container" class="cf" itemscope itemtype="http://schema.org/WebPage">
|
||
|
||
|
||
<div id="header" class="cf" itemscope itemtype="http://schema.org/WPHeader" role="banner">
|
||
|
||
<div id="header-logo">
|
||
<a href="https://sreweekly.com/"><img src="https://sreweekly.com/wp-content/uploads/2015/12/sreweekly-header-axes-3.png" alt="SRE WEEKLY" /></a>
|
||
</div>
|
||
|
||
|
||
</div>
|
||
|
||
|
||
<nav id="nav-main" class="cf stack" itemscope itemtype="http://schema.org/SiteNavigationElement" role="navigation" aria-label="Main Menu">
|
||
|
||
|
||
<ul id="menu-main-menu" class="nav-main"><li id="menu-item-1487" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1487"><a href="https://sreweekly.com/about-sre-weekly-2/">About SRE Weekly</a></li>
|
||
<li id="menu-item-1488" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1488"><a href="https://sreweekly.com/bio/">Bio</a></li>
|
||
<li id="menu-item-1489" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1489"><a href="https://sreweekly.com/other-info/">Other Info</a></li>
|
||
<li id="menu-item-1490" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1490"><a href="https://sreweekly.com/sponsorship-information/">Sponsorship Information</a></li>
|
||
</ul>
|
||
</nav>
|
||
|
||
|
||
<div id="main" class="col-cs cf">
|
||
|
||
<div id="content" class="cf" itemscope itemtype="http://schema.org/Blog" role="main">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<article id="post-509" class="single-view post-509 post type-post status-publish format-standard hentry category-general" itemprop="blogPost" itemscope itemtype="http://schema.org/BlogPosting">
|
||
|
||
|
||
<header class="entry-header cf">
|
||
<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-72/">SRE Weekly Issue #72</a></h1>
|
||
</header>
|
||
|
||
<div class="entry-byline cf">
|
||
|
||
|
||
<div class="entry-date" itemprop="datePublished" >
|
||
<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-72/">May 14, 2017</a>
|
||
</div>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<div class="entry-content cf" itemprop="text" >
|
||
|
||
|
||
<a href="https://sreweekly.com/sre-weekly-issue-72/" title="Permalink to SRE Weekly Issue #72" class="email_only">View on sreweekly.com</a>
|
||
<div class="sreweekly-sponsor-message" style="border: 1px solid #b0b0b0; padding-left: 1rem; padding-right: 1rem; width: 80%; align: center; margin: 2rem auto 2rem auto;">
|
||
<h2 style="text-align: center; font-size: 55%; color: #b0b0b0;">SPONSOR MESSAGE</h2>
|
||
<p>Concerned about downtime? VictorOps helps you prepare, respond, and recover from IT and DevOps Incidents. Swing by our product center to learn how and start your trial. <a href="http://try.victorops.com/SREWeekly/ProductCenter">http://try.victorops.com/SREWeekly/ProductCenter</a></p>
|
||
</div>
|
||
<h2>Articles</h2>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://stripe.com/blog/idempotency" target="_blank">Designing robust and predictable APIs with idempotency</a></div>
|
||
<div class="sreweekly-description">
|
||
<p><a href="https://en.wikipedia.org/wiki/Idempotence">Idempotence</a> is a critically important tool in building a reliable system. Stripe explains the concept and shows how they wrap theoretically non-idempotent actions like charging a credit card into safely idempotent API calls.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://thoughts.t37.net/whats-not-actionable-business-critical-shouldn-t-ring-building-the-right-alerting-system-e8f4b085a2cb?__s=bwykwk1kcceogszq8abt" target="_blank">What’s not Actionable & Business Critical Shouldn’t Ring: Building the Right Alerting System</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Here’s an account of an effort to move from server-based paging (this server is down) to functional-based alerting (this user action isn’t working), with a resulting impressive reduction in out-of-hours paging.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://www.brendangregg.com/blog/2017-05-09/cpu-utilization-is-wrong.html" target="_blank">CPU Utilization is Wrong</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>It pays to study up and deeply understand what a simple metric like “cpu utilization” really means.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://status.aws.amazon.com/" target="_blank">AWS Service Health Dashboard</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Why am I linking to AWS’s status site? Look closely, and you’ll see that the “green checkmark i” symbol has been replaced with a far more noticeable blue circle with a white diamond. Check out the old icon <a href="https://blog.ably.io/honest-status-reporting-and-aws-service-status-truth-in-a-post-truth-world-8b9a31c8cc90">here</a> for comparison. End of an era, or just another way of presenting the same information?</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://medium.com/@shiladitya16/circuit-breaker-and-monitoring-of-a-grpc-service-in-ruby-part-1-7509c7e1356a" target="_blank">Circuit breaker and monitoring of a gRPC service in Ruby (Part 1)</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>The author introduces a new Ruby gem, <tt>grpc-commons</tt> that makes it easy to add circuit breaker and statsd support to a grpc client.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://t.dripemail2.com/c/eyJhY2NvdW50X2lkIjoiMjY1Njc0MyIsImRlbGl2ZXJ5X2lkIjoiODE3NjA4NzUzIiwidXJsIjoiaHR0cDovL2VjaG9yYW5kLm1lL2ludHJvZHVjaW5nLWRpc3RyaWJ1dGVkLXRyYWNpbmctaW4teW91ci1weXRob24tYXBwbGljYXRpb24tdmlhLXppcGtpbi5odG1sP19fcz1id3lrd2sxa2NjZW9nc3pxOGFidCJ9" target="_blank">Introducing distributed tracing in your Python application via Zipkin</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Along with being a tutorial on setting up Zipkin with Python, this article also explains some basic Zipkin concepts.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://t.dripemail2.com/c/eyJhY2NvdW50X2lkIjoiMjY1Njc0MyIsImRlbGl2ZXJ5X2lkIjoiODE3NjA4NzUzIiwidXJsIjoiaHR0cHM6Ly93d3cucGFnZXJkdXR5LmNvbS9ibG9nL21vZGVybi1pbmNpZGVudC1yZXNvbHV0aW9uLWxpZmVjeWNsZS8_X19zPWJ3eWt3azFrY2Nlb2dzenE4YWJ0In0" target="_blank">Announcing the Modern Incident Resolution Lifecycle</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>PagerDuty is apparently trying to position itself as more than just a paging service, with a few new features around the entire incident lifecycle. I’m especially interested in checking out the <a href="https://www.pagerduty.com/blog/better-incident-post-mortems/">new postmortem tooling</a>.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://thoughts.t37.net/how-we-upgraded-a-22tb-mysql-cluster-from-5-6-to-5-7-in-9-months-cc41b391895d" target="_blank">How we Upgraded a 22TB MySQL Cluster from 5.6 to 5.7 (in 9 months)</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>I included this article last week, but my link was outdated and returned a 404. Here’s the corrected link — sorry about that!</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://www.linkedin.com/pulse/first-look-elastics-new-machine-learning-technology-robert-cowart" target="_blank">A first look at Elastic’s new Machine Learning Technology</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>I put a call out for a review of Elastic’s new beta anomaly detection feature last week, and here one is! Thanks to an Elastic employee for forwarding this link to me.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://www.informationweek.com/strategic-cio/executive-insights-and-innovation/it-outages-whos-really-at-fault/a/d-id/1328869?_mc=RSS_IWK_EDT" target="_blank">IT Outages, Who’s Really at Fault?</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>This article cautions one to be careful to look past an obvious root cause, because a deeper systemic or policy problem may be lurking behind it.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://www.infoworld.com/article/3196133/cloud-computing/watch-out-for-serverless-computings-blind-spot.html" target="_blank">Watch out for serverless computing’s blind spot</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Serverless / <a href="https://en.wikipedia.org/wiki/Function_as_a_Service">FaaS</a> abstract away traditional provisioning, and they make it really easy to ignore planning for resource usage.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="http://preaccidentpodcast.podbean.com/e/safety-moment-are-accidents-a-failure-of-imagination/" target="_blank">Safety Moment – Are Accidents a Failure of Imagination? | PreAccident Investigation Podcast</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>Wow, what a concept:</p>
|
||
<blockquote><p>you can think of […] reliable systems […] as successfully imagining all of the potential things that could go wrong</p></blockquote>
|
||
<p>This 2.5-minute podcast from Todd Conklin has a really great question: to achieve reliability, do we have to try to imagine in advance all of the possible ways our systems could fail?</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://bwhsafetymatters.org/2017/05/09/the-scariest-moment-of-my-life/" target="_blank">“The Scariest Moment of My Life” – BWH Safety Matters</a></div>
|
||
<div class="sreweekly-description">
|
||
<p>A patient was given an incorrect syringe resulting in a 5x insulin overdose. Brigham and Women’s Hospital reports on the accident and what they’re doing to prevent mistakes of this sort in the future.</p>
|
||
</div>
|
||
</div>
|
||
<div class="sreweekly-entry">
|
||
<div class="sreweekly-title"><a href="https://www.pagerduty.com/resources/reports/digital-operations/" target="_blank">PagerDuty’s 2017 State of Digital Operations Report</a></div>
|
||
<div class="sreweekly-description">
|
||
<blockquote><p>Consumers today have increasingly high expectations for digital applications and service performance, but do IT personnel feel equipped to rise to the occasion? In this survey, we uncover the extent of the digital services expectation gap between consumers and IT teams as well as top strategies teams are using to solve digital disruption challenges.</p></blockquote>
|
||
</div>
|
||
</div>
|
||
<h2>Outages</h2>
|
||
<ul class="sreweekly-outages">
|
||
<li><a href="https://engineering.saltside.se/our-first-kubernetes-outage-c6b9249cfd3a">Our First Kubernetes Outage – Saltside Engineering</a>
|
||
<ul class="sreweekly-outage">
|
||
<li class="sreweekly-outage">Kudos to the Saltside folks for sharing a public postmortem for an internal, non-customer-impacting outage!<br />
|
||
<blockquote><p>This is public postmortem for an a complete shutdown of our internal Kubernetes cluster. It’s shared with you all so everyone may learn.</p></blockquote>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
<li><a href="https://community.secondlife.com/blogs/entry/2167-re-experience-the-fun-of-customizing-your-place-page-a-tale-of-oops-from-ops/">“Re-experience the fun of customizing your Place Page!” A Tale of Oops from Ops</a>
|
||
<ul class="sreweekly-outage">
|
||
<li class="sreweekly-outage">Ouch. Linden Lab’s ops team discovered the hard way that they didn’t have a working backup copy of some customer data. The best part of this article is the discussion of the “Shrek Ears” tradition at Linden. It’s one of the things I remember most fondly from my time there, and having worn the ears a few times in my day, I can attest to the fact that it’s a great way to handle the psychological impact of making a mistake.</li>
|
||
</ul>
|
||
</li>
|
||
<li><a href="https://www.americanbanker.com/news/chase-outage-knocks-out-payments-services-for-customers-nationwide">Chase (bank)</a></li>
|
||
<li><a href="https://techcrunch.com/2017/05/08/facebook-is-down-in-asia-pacific-and-now-parts-of-north-america-too/">Facebook</a></li>
|
||
</ul>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<footer class="entry-footer cf">
|
||
|
||
|
||
|
||
</footer>
|
||
|
||
|
||
</article>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<div id="sidebar-right" class="sidebar cf" itemscope itemtype="http://schema.org/WPSideBar" role="complementary" aria-label="Sidebar Right">
|
||
<aside id="widgets-wrap-sidebar-right">
|
||
|
||
<section id="yikes_easy_mc_widget-4" class="widget-sidebar frontier-widget widget_yikes_easy_mc_widget"><h2 class="widget-title">Subscribe</h2>
|
||
<section id="yikes-mailchimp-container-1" class="yikes-mailchimp-container yikes-mailchimp-container-1 ">
|
||
<section class="yikes-mailchimp-form-description yikes-mailchimp-form-description-1">Subscribe to SRE Weekly by email. Your email address will be stored and used only to send SRE Weekly issues to you. You may unsubscribe at any time.</section> <form id="subscribe-1" class="yikes-easy-mc-form yikes-easy-mc-form-1 " method="POST" data-attr-form-id="1">
|
||
|
||
<label for="yikes-easy-mc-form-1-EMAIL" class="EMAIL-label yikes-mailchimp-field-required ">
|
||
|
||
<!-- dictate label visibility -->
|
||
<span class="EMAIL-label">
|
||
Email Address </span>
|
||
|
||
<!-- Description Above -->
|
||
|
||
<input id="yikes-easy-mc-form-1-EMAIL" name="EMAIL" placeholder="" class="yikes-easy-mc-email " required="required" type="email" value="">
|
||
|
||
<!-- Description Below -->
|
||
|
||
</label>
|
||
|
||
<!-- Honeypot Trap -->
|
||
<input type="hidden" name="yikes-mailchimp-honeypot" id="yikes-mailchimp-honeypot-1" value="">
|
||
|
||
<!-- List ID -->
|
||
<input type="hidden" name="yikes-mailchimp-associated-list-id" id="yikes-mailchimp-associated-list-id-1" value="24b1f473e5">
|
||
|
||
<!-- The form that is being submitted! Used to display error/success messages above the correct form -->
|
||
<input type="hidden" name="yikes-mailchimp-submitted-form" id="yikes-mailchimp-submitted-form-1" value="1">
|
||
|
||
<!-- Submit Button -->
|
||
<button type="submit" class="yikes-easy-mc-submit-button yikes-easy-mc-submit-button-1 btn btn-primary "> <span class="yikes-mailchimp-submit-button-span-text">Subscribe me</span></button> <!-- Nonce Security Check -->
|
||
<input type="hidden" id="yikes_easy_mc_new_subscriber_1" name="yikes_easy_mc_new_subscriber" value="7bbf53c7a4">
|
||
<input type="hidden" name="_wp_http_referer" value="/sre-weekly-issue-72/" />
|
||
</form>
|
||
<!-- Mailchimp Form generated by Easy Forms for Mailchimp v6.5.5 (https://wordpress.org/plugins/yikes-inc-easy-mailchimp-extender/) -->
|
||
|
||
</section>
|
||
</section><section id="text-8" class="widget-sidebar frontier-widget widget_text"><h2 class="widget-title">RSS</h2> <div class="textwidget"><a href="http://sreweekly.com/feed/"> Subscribe with RSS</a></div>
|
||
</section><section id="text-6" class="widget-sidebar frontier-widget widget_text"><h2 class="widget-title">Mastodon</h2> <div class="textwidget"><p><a href="https://social.linux.pizza/@SREWeekly"> Subscribe on Mastodon</a></p>
|
||
</div>
|
||
</section><section id="search-2" class="widget-sidebar frontier-widget widget_search"><h2 class="widget-title">Search Issues</h2><form role="search" method="get" class="search-form" action="https://sreweekly.com/">
|
||
<label>
|
||
<span class="screen-reader-text">Search for:</span>
|
||
<input type="search" class="search-field" placeholder="Search …" value="" name="s" />
|
||
</label>
|
||
<input type="submit" class="search-submit" value="Search" />
|
||
</form></section>
|
||
</aside>
|
||
</div></div>
|
||
|
||
|
||
<div id="bottom-bar" class="cf" role="contentinfo">
|
||
|
||
<span id="bottom-bar-text">A production of Tinker Tinker Tinker, LLC</span>
|
||
|
||
<span id="theme-link"><a href="https://ronangelo.com/frontier/">Frontier Theme</a></span>
|
||
|
||
</div>
|
||
|
||
</div>
|
||
|
||
|
||
<script type="speculationrules">
|
||
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"/*"},{"not":{"href_matches":["/wp-*.php","/wp-admin/*","/wp-content/uploads/*","/wp-content/*","/wp-content/plugins/*","/wp-content/themes/frontier/*","/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
|
||
</script>
|
||
<script type="text/javascript">
|
||
jQuery(document).ready(function($) {
|
||
$( '.menu-item-has-children' ).click(function(){
|
||
$( '.nav-main > .menu-item-has-children' ).not(this).removeClass( 'toggle-on' );
|
||
$(this).not().parents().removeClass( 'toggle-on' );
|
||
$(this).toggleClass( 'toggle-on' );
|
||
});
|
||
});
|
||
</script>
|
||
<script id="yikes-easy-mc-ajax-js-extra">
|
||
var yikes_mailchimp_ajax = {"ajax_url":"https://sreweekly.com/wp-admin/admin-ajax.php","page_data":"509","interest_group_checkbox_error":"This field is required.","preloader_url":"https://sreweekly.com/wp-content/plugins/yikes-inc-easy-mailchimp-extender/includes/images/ripple.svg","loading_dots":"https://sreweekly.com/wp-content/plugins/yikes-inc-easy-mailchimp-extender/includes/images/bars.svg","ajax_security_nonce":"97139b358b","feedback_message_placement":"before"};
|
||
//# sourceURL=yikes-easy-mc-ajax-js-extra
|
||
</script>
|
||
<script id="yikes-easy-mc-ajax-js" src="https://sreweekly.com/wp-content/plugins/yikes-inc-easy-mailchimp-extender/public/js/yikes-mc-ajax-forms.min.js?ver=6.5.5"></script>
|
||
<script id="form-submission-helpers-js-extra">
|
||
var form_submission_helpers = {"ajax_url":"https://sreweekly.com/wp-admin/admin-ajax.php","preloader_url":"https://sreweekly.com/wp-admin/images/wpspin_light.gif","countries_with_zip":{"US":"US","GB":"GB","CA":"CA","IE":"IE","CN":"CN","IN":"IN","AU":"AU","BR":"BR","MX":"MX","IT":"IT","NZ":"NZ","JP":"JP","FR":"FR","GR":"GR","DE":"DE","NL":"NL","PT":"PT","ES":"ES"},"page_data":"509"};
|
||
//# sourceURL=form-submission-helpers-js-extra
|
||
</script>
|
||
<script id="form-submission-helpers-js" src="https://sreweekly.com/wp-content/plugins/yikes-inc-easy-mailchimp-extender/public/js/form-submission-helpers.min.js?ver=6.5.5"></script>
|
||
</body>
|
||
</html> |