<div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">Hi Linux, <div data-lineheight="1.5" style="margin-left: 1em; line-height: 18px;"> <div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">This is a courtesy notice that we will sunset support for MongoDB 3.4 on January 31, 2020. <div data-lineheight="1.5" style="line-height: 18px; margin-left: 0em;"> <div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">Consistent with our Support Policy <http://s413370795.t.en25.com/e/er?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&s=413370795&lid=2251&elqTrackId=AAC906AC098D20B9D1E6E07080F02CD8&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1>, MongoDB 3.4 was released in November 2016 and we are reaching the End of Life of this major version. <div data-lineheight="1.5" style="line-height: 18px; margin-left: 0em;"> <div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">Please review the resources listed below to learn about best practices on how to upgrade your MongoDB instances. With the upgrade, you will be able to take advantage of the many updates to the database including : <div data-lineheight="1.5" style="line-height: 18px; margin-left: 0em;"> *With version 3.6 *Change Streams *Retryable writes *JSON Schema *Expressive nested array updates *Expressive joins: $lookup *With version 4.0 *Multi-Document ACID Transactions *Snapshot Read Concern *Non-Blocking Secondary Reads *Data Type Conversions *With version 4.2 (Coming later in 2019) *Transactions for sharded clusters * Transactions larger than 16MB *Enhanced on-disk data compression (Zstandard compression support) *Hybrid index builds *No-downtime replacement of certificates and key files *Faster Initial Sync *Faster failover on planned maintenance *Wildcard indexes *On-demand materialized views *Field-level encryption *Headless backup <div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">Next Steps *Find your current version: Run your mongod binary with the mongod --version argument. *Find the latest stable releases: MongoDB downloads page <http://s413370795.t.en25.com/e/er?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&s=413370795&lid=6609&elqTrackId=BAA63A9795088F2231E3957EEFFF7D80&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1>. *Upgrade MongoDB to 4.0 <http://s413370795.t.en25.com/e/er?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&s=413370795&lid=5834&elqTrackId=2FFE309550F0899380FCB26D562432C1&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1>. Note that upgrading from version 3.4 to 4.0 will first require an intermediate upgrade MongoDB to 3.6 <http://s413370795.t.en25.com/e/er?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&s=413370795&lid=5749&elqTrackId=B9634A4A9598CD16CD981BC7B55F4021&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1> *For further help: *Support: please open a case in our Support Portal <http://s413370795.t.en25.com/e/er?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&s=413370795&lid=7424&elqTrackId=9E6EFB7786003FA63DFF1EDC91DA1A82&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1>. *Professional Services: If you would like hands-on assistance with your upgrade, our professional services team offers Major Version Upgrade Services <http://s413370795.t.en25.com/e/er?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&s=413370795&lid=1254&elqTrackId=9BAFA018FC2E50B57062F1090367205D&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1>. Please reply to this email if you would like additional information. <div data-lineheight="1.5" style="line-height: 18px; margin-left: 2em;"> <div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">Regards, <div data-lineheight="1.5" style="line-height: 21px; margin-left: 0em;">The MongoDB Team "Share on Twitter" <https://twitter.com/MongoDB?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&elqTrackId=e53813e18cb544909f1821028a585d22&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1&elqCampaignId=12439> "Share on Facebook" <https://www.facebook.com/MongoDB?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&elqTrackId=a861dc5b3eb144b0bf5cebb24ac89522&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1&elqCampaignId=12439> "Share on LinkedIn" <https://www.linkedin.com/company/mongodbinc?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&elqTrackId=77df70a4a0134f24a6fbd63284688ffc&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1&elqCampaignId=12439> "Share on Google+" <https://plus.google.com/103760011983960718171/posts?utm_campaign=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29_v2&utm_medium=email&utm_source=Eloqua&utm_term=Announcement%20of%20MongoDB%203.4%20End%20of%20Life%20%28EOL%29&elqTrackId=b6d13a4e90394dce8afef2e59d821c05&elq=4b987cadbbb34d9793471cc99c2b9248&elqaid=8794&elqat=1&elqCampaignId=12439> MongoDB Inc., 2019. 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