{"version":"1.0","provider_name":"Software Engineering Daily","provider_url":"https:\/\/softwareengineeringdaily.com","author_name":"SEDaily","author_url":"https:\/\/softwareengineeringdaily.com\/author\/sed-production\/","title":"Uber\u2019s LedgerStore and its Trillions of Indexes with Kaushik Devarajaiah - Software Engineering Daily","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"lPBvEpBpqm\"><a href=\"https:\/\/softwareengineeringdaily.com\/2024\/07\/30\/uber\/\">Uber\u2019s LedgerStore and its Trillions of Indexes with Kaushik Devarajaiah<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/softwareengineeringdaily.com\/2024\/07\/30\/uber\/embed\/#?secret=lPBvEpBpqm\" width=\"600\" height=\"338\" title=\"&#8220;Uber\u2019s LedgerStore and its Trillions of Indexes with Kaushik Devarajaiah&#8221; &#8212; Software Engineering Daily\" data-secret=\"lPBvEpBpqm\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"http:\/\/softwareengineeringdaily.com\/wp-content\/uploads\/2024\/07\/Ubers-LedgerStore-and-its-Trillions-of-Indexes-with-Kaushik-Devarajaiah-1.png","thumbnail_width":600,"thumbnail_height":315,"description":"Uber handles billions of trips and deliveries, and tens of billions of financial transactions across drivers, couriers, users, and merchants every quarter. LedgerStore is an immutable storage solution at Uber that provides verifiable data completeness and correctness guarantees to ensure data integrity for its transactions. Kaushik Devarajaiah is the Tech Lead for LedgerStore at Uber."}