{"version":"1.0","provider_name":"\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ube14\ub85c\uadf8","provider_url":"https:\/\/www.couchbase.com\/blog\/ko","author_name":"Keshav Murthy","author_url":"https:\/\/www.couchbase.com\/blog\/ko\/author\/keshav-murthy\/","title":"Concurrency Behavior: MongoDB vs. Couchbase","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"1z3Sp7xcRM\"><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/testing-mongodb-and-couchbase-concurrent-query\/\">\ub3d9\uc2dc\uc131 \ub3d9\uc791: \ubabd\uace0DB\uc640 \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ube44\uad50<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.couchbase.com\/blog\/ko\/testing-mongodb-and-couchbase-concurrent-query\/embed\/#?secret=1z3Sp7xcRM\" width=\"600\" height=\"338\" title=\"&#8220;Concurrency Behavior: MongoDB vs. Couchbase&#8221; &#8212; The Couchbase Blog\" data-secret=\"1z3Sp7xcRM\" 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>","thumbnail_url":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas-768x269.png","thumbnail_width":600,"thumbnail_height":210,"description":"Multi-User Testing \u00a0 David Glasser of Meteor wrote a blog on an MongoDB query missing matching documents issue he ran into. \u00a0It is straightforward to reproduce the issue on both MongoDB MMAPv1 and MongoDB WiredTiger engine. Here are his conclusions [&hellip;]"}