{"id":80,"date":"2009-04-22T04:27:24","date_gmt":"2009-04-22T04:27:24","guid":{"rendered":"http:\/\/www.backupassist.com\/blog\/support\/rsync-exchange-databases-%e2%80%93-lab-performance-testing\/"},"modified":"2019-11-13T09:16:42","modified_gmt":"2019-11-13T09:16:42","slug":"rsync-exchange-databases-performance-testing","status":"publish","type":"post","link":"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing","title":{"rendered":"Rsync Exchange Databases Performance Testing"},"content":{"rendered":"<p>In the past, I\u2019ve run tests to see how Rsync performs against an NTBackup backup of Exchange Server \u2013 see Slide 15 of my <a href=\"http:\/\/www.backupassist.com\/SBS\/documents\/4_Rsync.pdf\">Rsync PowerPoint presentation<\/a>.<\/p>\n<p>However, since our recent release of v5.2.2 of BackupAssist, we can Rsync the underlying edb files instead (Exchange 2007). See my <a href=\"http:\/\/www.backupassist.com\/blog\/support\/how-to-rsync-exchange-server-2007-databases-and-other-vss-applications\/\">Rsync VSS Applications blog entry<\/a> for instructions.<\/p>\n<p>How does Rsync perform with the underlying edb files?<\/p>\n<p>It turns out that the results are even better \u2013 Rsync was able to match nearly 100% of the existing edb file, and able to transfer just the differences. And with compression, the amount of data sent across the wire was actually less than the growth on the filesystem!<\/p>\n<p>Here are the raw results.<\/p>\n<p>For example, on day 5:<\/p>\n<ul>\n<li>10.1 MB was added to the Exchange server database<\/li>\n<li>7.6 MB was sent across the wire<\/li>\n<li>The overall size of the Information Store was 844.5 MB<\/li>\n<li>After the backup, and after the logs were pruned, the size of the Information Store fell to 823.5 MB.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"\/images\/blog\/Rsync_Exchange_Performance.png\" alt=\"Rsync Exchange Database performance\"><\/p>\n<p>* This was tested on a 100Mbps network. The majority of the time taken as performing the VSS snapshot (1 minute 11 sec) and performing the Exchange Consistency Check (20 sec).<\/p>\n<p>Now that we\u2019ve tested this in our lab, we\u2019re next going to build up a much bigger Information Store and test it over a slow Internet link. Hopefully we\u2019ll have some results within a few weeks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the past, I\u2019ve run tests to see how Rsync performs against an NTBackup backup of Exchange Server \u2013 see Slide 15 of my Rsync PowerPoint presentation. However, since our recent release of v5.2.2 of BackupAssist, we can Rsync the underlying edb files instead (Exchange 2007). See my Rsync VSS Applications blog entry for instructions. &#8230; <a title=\"Rsync Exchange Databases Performance Testing\" class=\"read-more\" href=\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\">Read more <span class=\"screen-reader-text\">Rsync Exchange Databases Performance Testing<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":13831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,760],"tags":[],"class_list":["post-80","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-support","category-legacy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rsync Exchange Databases Performance Testing - Cyber Resilience Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rsync Exchange Databases Performance Testing - Cyber Resilience Blog\" \/>\n<meta property=\"og:description\" content=\"In the past, I\u2019ve run tests to see how Rsync performs against an NTBackup backup of Exchange Server \u2013 see Slide 15 of my Rsync PowerPoint presentation. However, since our recent release of v5.2.2 of BackupAssist, we can Rsync the underlying edb files instead (Exchange 2007). See my Rsync VSS Applications blog entry for instructions. ... Read more Rsync Exchange Databases Performance Testing\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\" \/>\n<meta property=\"og:site_name\" content=\"Cyber Resilience Blog\" \/>\n<meta property=\"article:published_time\" content=\"2009-04-22T04:27:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-11-13T09:16:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.backupassist.com\/app\/uploads\/sites\/3\/2008\/05\/tile-placeholder1-01.png\" \/>\n\t<meta property=\"og:image:width\" content=\"842\" \/>\n\t<meta property=\"og:image:height\" content=\"596\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Linus Chang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Linus Chang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\"},\"author\":{\"name\":\"Linus Chang\",\"@id\":\"https:\/\/www.backupassist.com\/blog\/#\/schema\/person\/523a9a01769da254de228dbd4b1328d3\"},\"headline\":\"Rsync Exchange Databases Performance Testing\",\"datePublished\":\"2009-04-22T04:27:24+00:00\",\"dateModified\":\"2019-11-13T09:16:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\"},\"wordCount\":230,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/www.backupassist.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.backupassist.com\/app\/uploads\/sites\/3\/2008\/05\/tile-placeholder1-01.png\",\"articleSection\":[\"Support\",\"Z-Legacy\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\",\"url\":\"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing\",\"name\":\"Rsync Exchange Databases Performance Testing - 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He founded BackupAssist in 2002 \u2014 making him one of the longest-standing voices in Windows backup and data protection \u2014 and has spent the decades since talking to IT administrators around the world about what actually goes wrong, and why. His interest in data loss isn't abstract. Early in his career, he was working at the Monash University help desk when a student came in with a floppy disk that wouldn't read. They tried everything. None of their drives could read it either. The disk held her entire PhD dissertation \u2014 years of work \u2014 and it was the only copy. She broke down in tears. There was nothing he could do. Five years later, he wrote the first version of BackupAssist. Linus holds a Bachelor of Science in Computer Science and has held Microsoft Certified Solution Developer and Sun Certified Java Programmer credentials. More recently, he has completed digital forensics and cyber-security courses through the Black Hat Conference. He has spoken on information security and cryptography at Infosecurity Europe, addressed politicians and policymakers at Australian Parliament House, presented to SMB IT administrators at the IT Pro Experts Conference, and served as a guest lecturer to Cyber Security master's students at the University of Melbourne. On this blog, Linus writes about backup strategy and the technical side of cyber-resilience \u2014 drawing on 24 years of product development and direct conversation with the IT professionals BackupAssist is built for. [Connect with Linus on LinkedIn](https:\/\/www.linkedin.com\/in\/linuschang\/)\",\"url\":\"https:\/\/www.backupassist.com\/blog\/author\/linus-chang\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Rsync Exchange Databases Performance Testing - Cyber Resilience Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.backupassist.com\/blog\/rsync-exchange-databases-performance-testing","og_locale":"en_US","og_type":"article","og_title":"Rsync Exchange Databases Performance Testing - Cyber Resilience Blog","og_description":"In the past, I\u2019ve run tests to see how Rsync performs against an NTBackup backup of Exchange Server \u2013 see Slide 15 of my Rsync PowerPoint presentation. However, since our recent release of v5.2.2 of BackupAssist, we can Rsync the underlying edb files instead (Exchange 2007). 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He founded BackupAssist in 2002 \u2014 making him one of the longest-standing voices in Windows backup and data protection \u2014 and has spent the decades since talking to IT administrators around the world about what actually goes wrong, and why. His interest in data loss isn't abstract. Early in his career, he was working at the Monash University help desk when a student came in with a floppy disk that wouldn't read. They tried everything. None of their drives could read it either. The disk held her entire PhD dissertation \u2014 years of work \u2014 and it was the only copy. She broke down in tears. There was nothing he could do. Five years later, he wrote the first version of BackupAssist. Linus holds a Bachelor of Science in Computer Science and has held Microsoft Certified Solution Developer and Sun Certified Java Programmer credentials. More recently, he has completed digital forensics and cyber-security courses through the Black Hat Conference. He has spoken on information security and cryptography at Infosecurity Europe, addressed politicians and policymakers at Australian Parliament House, presented to SMB IT administrators at the IT Pro Experts Conference, and served as a guest lecturer to Cyber Security master's students at the University of Melbourne. On this blog, Linus writes about backup strategy and the technical side of cyber-resilience \u2014 drawing on 24 years of product development and direct conversation with the IT professionals BackupAssist is built for. 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