1/12/2024 0 Comments Postgres to redshift migration![]() Treasure Data adds roughly ~60 billion rows per day to its system, so your one-time DB dump of 20 billion rows is really not a big deal for us. ![]() Dumping all the database dumps into Treasure Data: Treasure Data’s Data Connectors make it very easy to dump Postgres snapshots.In fact, you might not actually be phasing out Postgres at all! You might simply be copying data from Postgres to Redshift so that you can offload analytics to Redshift while keeping Postgres as a transactional data store.Īnyhow, one thing is clear: the process of migrating from Postgres to Redshift can take a lot of time and effort. ![]() You will have to automate the process of loading new data into Redshift as you phase out Postgres. Automation: Most likely, your migration won’t happen in one go.Schema compatibility between Postgres and Redshift: Postgres and Redshift do not have the same type system, so you might run into issues while you are loading data into Redshift.Storage for the DB dump: Assuming you’re thinking of using Redshift, your data volume will be significant: probably tens of billions of rows if not more.It goes like this:īut in reality, this is not as straightforward. (Below, we will just consider Postgres, but most of these issues apply to MySQL as well). And, if there is anything that all startups share, it’s that they do not pay for their databases and tend to gravitate toward free alternatives like MySQL and Postgres hence, many developers and DBAs are tasked with migrating data from existing MySQL or Postgres instances to Redshift. Redshift brings the power of Massively Parallel Processing (MPP) databases –powerful but expensive software once reserved for IT departments with deep pockets, often in the order of millions of dollars per year– to pretty much any company that can spend a couple of hundred of dollars per month.ĭue to its “pay as you go” pricing model, Redshift is becoming quite dominant among fast-growing businesses like software startups. Redshift is a popular cloud data warehousing service by Amazon. Plug and Play Migration from Postgres to Redshift: One Billion Rows at a Time! Migrating from Postgres to Redshift
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