Today we're announcing the availability of logical replication from Postgres to Iceberg with Crunchy Data Warehouse. Now you can seamlessly move data and stream changes from your operational database into an analytical system. www.crunchydata.com/blog/logical...
Logical replication from Postgres to Iceberg | Crunchy Data Blog
We've launched native logical replication from Postgres tables in any Postgres server to Iceberg tables managed by Crunchy Data Warehouse.
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How long has it been since you checked your cache hit ratio? Ideally most of your frequently queried data is in the buffer cache. We recommend 98-99% in the cache for transactional workloads - analytical workloads are lower.
Postgres + Iceberg side-by-side next to the same query with a Postgres HEAP table. Half a millisecond for the optimized 🔥 . 10 seconds for the long method. www.crunchydata.com/products/war...
psql tip: find your config parameters that are not default with \dconfig. List of non-default configuration parameters:
Postgres does a good job of keeping internal statistics of your which are used to plan how queries are executed. But Postgres doesn't always know how columns are related. In this deep dive we look at hacking the statistics for improved performance
Hacking the Postgres Statistics Tables for Faster Queries | Crunchy Data Blog
Adding extended statistics can add information about how columns are related. Louise has some real life example queries and tips for working with extended table stats that can dramatically improve…
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Miss our webinar on running Crunchy Data Warehouse on-premises? We cover an overview, hands on walk through with live querying our data lake to full Iceberg creation, and highlight of popular use cases for it. If you missed it don't worry we got you covered. www.youtube.com/watch?v=Vojg...
Crunchy Data Warehouse: Postgres + Iceberg for Your On-premises Data Lake
YouTube video by Crunchy Data
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We all love pg_stat_statements but that data collects forever and can get a little stale. When should you reset it? Here are some tips from our support team.
Excited to announce Crunchy Data Warehouse is now available for Kubernetes and On-premises. Need faster analytics from Postgres? Want a native Postgres data lake experience? Learn more about how it works: www.crunchydata.com/blog/crunchy...
Crunchy Data Warehouse: Postgres with Iceberg Available for Kubernetes and On-premises | Crunchy Data Blog
Crunchy Data brings Postgres-native Apache Iceberg to Kubernetes and on-prem workloads.
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Working with psql directly in Postgres? These tips will help turn you into a psql power user -
Postgres Tips from the Experts at Crunchy Data
Advanced ideas and tricks on how to use Postgres to its best.
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Need to get data to or from Postgres and into Parquet? pg_parquet is an open source extension that makes this easy, no need for complicated ETL processes -
pg_parquet: An Extension to Connect Postgres and Parquet | Crunchy Data Blog
Crunchy Data is excited to release a new extension so you can write Postgres data to Parquet and or pull data from Parquet to Postgres. Craig has the details and sample code.
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We talk with users every week about whether Citus is a good fit for them. While Citus is a very powerful Postgres extension it has very specific use cases where it does fit, here we break down the cases where Citus is a fit as well as when it's not -
Citus: The Misunderstood Postgres Extension | Crunchy Data Blog
What applications and use cases make the most sense for Citus.
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When it comes to developer tools everyone has their favorite tips and tricks. And because we love Postgres we worked to capture many of our favorite tips and tricks for Postgres here in this collection -
Postgres Tips from the Experts at Crunchy Data
Advanced ideas and tricks on how to use Postgres to its best.
buff.ly
Excited to announce built-in maintenance for Iceberg via Postgres. Now within Crunchy Data Warehouse we will automatically vacuum and continuously optimize your Iceberg data by compacting and cleaning up files. Dig into the details of how this works www.crunchydata.com/blog/automat...
Automatic Iceberg Maintenance Within Postgres | Crunchy Data Blog
Iceberg can create orphan files during snapshot changes or transaction rollbacks. Crunchy Data Warehouse automatically cleans up the orphan files using a new autovacuum feature.
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Citus is a Postgres extension that turns it into a sharded, distributed, horizontally scalable database. With all these buzzwords, it attracts a lot of people thinking it can solve all their problems. We dig into when it is a good fit and when it isn't - www.crunchydata.com/blog/citus-t...
Citus: The Misunderstood Postgres Extension | Crunchy Data Blog
What applications and use cases make the most sense for Citus.
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Happy pi day! 🥧 Postgres has a pi function: pi(); This can be used to calculate circular sizes and areas. @pwramsey.bsky.social looks at pi in PostGIS today with a blog post on circular forms on PostGIS with a proof for the CIRCLELINESTRING shape. www.crunchydata.com/blog/postgis...
Pi Day PostGIS Circles | Crunchy Data Blog
For a proper Pi Day celebration in Postgres, Paul shows off a proof for CIRCULARSTRING.
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SQL output can be messy. Psql options for formatting output. A handy option is \pset border 2 This will add top and bottom borders with double lines (╔, ╚, ╤, ╧, etc.). A Header row bordered with a double-line separator . Each row is separated by single lines. Each column is clearly separated.
Congratulations to the Postgres community on PostgreSQL once again being named the DBMS of the year in 2024, for the second year in a row. db-engines.com/en/blog_post...
PostgreSQL is the Database Management System of the Year 2024
db-engines.com
Great to see this ability for "creating processing pipelines for append-only streams of data...We believe it is a foundational building block for building IoT applications on PostgreSQL that should be available to everyone, similar to pg_cron, pg_parquet, and pg_partman."
Crunchy Data@crunchydata.com · 2y agoWe’re excited to release pg_incremental today - a new extension for automated incremental updates. pg_incremental is like a supercharged pg_cron that runs data pipelines, data syncs, rollups, imports and exports. www.crunchydata.com/blog/pg_incr...
There are many incremental processing solutions, but they seem to never quite do what I need. I decided to build an extension that just keeps running the same command in Postgres with different parameters to do fast, reliable incremental data processing. That's pg_incremental. 1/n
Crunchy Data@crunchydata.com · 2y agoWe’re excited to release pg_incremental today - a new extension for automated incremental updates. pg_incremental is like a supercharged pg_cron that runs data pipelines, data syncs, rollups, imports and exports. www.crunchydata.com/blog/pg_incr...
We’re excited to release pg_incremental today - a new extension for automated incremental updates. pg_incremental is like a supercharged pg_cron that runs data pipelines, data syncs, rollups, imports and exports. www.crunchydata.com/blog/pg_incr...
pg_incremental: Incremental Data Processing in Postgres | Crunchy Data Blog
We are excited to release a new open source extension called pg_incremental. pg_incremental works with pg_cron to do incremental batch processing for data aggregations, data transformations, or import...
crunchydata.com
Many big Postgres databases today use partitioning. Do you have a default partition? If not, you probably should. Default partitions are super important because they let you catch inconsistent data or bugs in your application code. www.crunchydata.com/blog/postgre...
Postgres Partitioning with a Default Partition | Crunchy Data Blog
Keith discusses the importance of having a default partition, how to monitor the default, and how to move rows to new child tables.
crunchydata.com
We have been talking to customers a lot about the medallion architecture with data. This is a pattern we see for data lakehouses.
@crunchydata.com is up to more cool things with Postgres www.crunchydata.com/blog/crunchy...
Crunchy Data Warehouse: Postgres with Iceberg for High Performance Analytics | Crunchy Data Blog
We are excited to release Crunchy Data Warehouse, a modern data warehouse for Postgres. Crunchy Data Warehouse combines Postgres with Iceberg, Parquet, and data lake formats for fast analytics queries...
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Did you miss PostGIS day this year? If you did don't worry, you don't have to entirely miss out, we've got your recap and the videos for you here - www.crunchydata.com/blog/postgis...
PostGIS Day 2024 Summary | Crunchy Data Blog
Crunchy Data hosted an online event for PostGIS on November 21st, 2024. Paul has a wrap up post discussing the highlights and themes throughout the day.
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Running queries on data that have nulls in them? Make your data more clear by specifying a special character for null with psql: \pset null 👻
It's not the new year, but these tips from @craigkerstiens.com may help your database to be in better shape well ahead of end of the year -
Five Tips For a Healthier Postgres Database in the New Year | Crunchy Data Blog
Craig's year end wrap-up of 5 things you can do for a healthier Postgres database next year.
crunchydata.com
The pg_parquet extension benefits Postgres users who work with large or complex databases: Why is parquet so great? Two main reasons:
Know which queries consume the most time against your Postgres database? Pg_stat_statements will tell you if you don't already know: SELECT total_exec_time, mean_exec_time as avg_ms, calls, query FROM pg_stat_statements ORDER BY mean_exec_time DESC LIMIT 10; #dataBS
Do your kids have a break this week and need something to keep them entertained? How about teaching them a little about Postgres. We've got a Postgres playground tutorial designed just for kids -
PostgreSQL - Just for Kids | Tutorials | Crunchy Data
Intro to SQL tutorial for kids. This is a hands on tutorial using an existing Postgres database running in a web browser.
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When working with psql in Postgres you can edit queries using \e \e will open your default editor thats been defined with $EDITOR What's your $EDITOR set to?