Neues vom PostgreSQL Planet
Grant Fritchey: PGSQL PHRIDAY #3: What is the PostgreSQL Community To You?
Very excited to take part in my third #PGSQLPhriday blogging event, even more so because it’s a topic that’s quite near and dear to my heart, community. To say that I’m new to the PostgreSQL community isn’t simply an understatement. Other than some online stuff, I haven’t been anywhere near the PostgreSQL community. That’s not […]
Elizabeth Garrett Christensen: PostGIS Day 2022
Crunchy Data hosted the 4th annual PostGIS Day on November 17, 2022. PostGIS Day always comes a day after GIS Day which occurs annually on the 3rd Wednesday of November.
We had speakers from 10 different countries and attendees from more than 70 countries.
PostGIS is the most popular spatial relational database worldwide with:
Jobin Augustine: New WAL Archive Module/Library in PostgreSQL 15
PostgreSQL traditionally uses shell commands to achieve continuous WAL archiving, which is essential for backups and stable standby replication. In the past, we blogged about the inefficiency in that design and how some of the backup tools like PgBackRest solve that problem. It is a well-known problem in the PostgreSQL community, and many discussions happened in the past about the same.
Frits Hoogland: YugabyteDB Yedis
YugabyteDB YEDIS is a key-value database that is compatible with the redis commands library.
Important: YEDIS is deprecated!
There are other limitations for YEDIS see the description in the YugabyteDB documentation.
The most important part of this blogpost is how to remove the YEDIS, see: 'YEDIS can be removed'.
Frits Hoogland: YugabyteDB Yedis
YugabyteDB YEDIS is a key-value database that is compatible with the redis commands library.
Important: YEDIS is deprecated!
There are other limitations for YEDIS see the description in the YugabyteDB documentation.
The most important part of this blogpost is how to remove the YEDIS, see: 'YEDIS can be removed'.
Ryan Lambert: What is the PostgreSQL community to you? - PGSQL Phriday #003
This blog post is for PGSQL Phriday #003. Read Ryan Booz' introduction from September for more details on PGSQL Phriday. Pat Wright (SQL Asylum) is this month's host and chose the topic: What is the PostgreSQL community to you?
TLDR;The Postgres community is helpful.
Paul Ramsey: Postgres Strings to Arrays and Back Again
One of my favourite (in an ironic sense) data formats is the "CSV in the CSV", a CSV file in which one or more of the column is itself structured as CSV.
Putting CSV-formatted columns in your CSV file is a low tech approach to shipping a multi-table relational data structure in a single file. The file can be read by anything that can read CSV (which is everything?) and ships around the related data in a very readable form.
Frits Hoogland: LSM-tree storage in YugabyteDB and packed rows
YugabyteDB uses the PostgreSQL source code for PostgreSQL compatibility, which we call YSQL. However, once we store tuples, we transform the PostgreSQL tuples into a storage format that is called 'protobuf', which gets send to our distributed storage layer called 'DocDB' via RPC calls. After DocDB has received the tuples, it is stored in the database we use for the storage, which is rocks db. Rocksdb is a key-value store which stores the PostgreSQL tuples (as well as YCQL tuples from our Cassandra compatible storage engine) as key-value pairs and sub-key-value pairs.
Hubert 'depesz' Lubaczewski: Picking random element, with weights
Pavlo Golub: GRANT VACUUM, ANALYZE in PostgreSQL 16
PostgreSQL uses table VACUUM and ANALYZE commands to optimize the database. The VACUUM command reclaims storage space and makes it available for re-use. It also updates the visibility map, which helps the query planner to quickly identify which parts of the table have live rows.
Luca Ferrari: pgagroal: getting run-time configuration
A new command to interactively get the pgagroal runtime configuration.
Egor Rogov: PostgreSQL 14 Internals, Part IV
I’m excited to announce that the translation of Part IV of the “PostgreSQL 14 Internals” book is published. This part delves into the inner workings of the planner and the executor, and it took me a couple of hundred pages to get through all the magic that covers this advanced technology.
You can download the book freely in PDF. The last part is yet to come, stay tuned!
Ryan Booz: PGSQL Phriday #003
Invitation by Pat Wright
For the third installment of PGSQL Phriday, Pat is looking ahead to 2023 and what community means to… well… the PostgreSQL community. In his words…
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