[HN Gopher] AlloyDB for PostgreSQL
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AlloyDB for PostgreSQL
Author : mhoad
Score : 20 points
Date : 2022-05-11 19:41 UTC (3 hours ago)
(HTM) web link (cloud.google.com)
(TXT) w3m dump (cloud.google.com)
| drewda wrote:
| I'd be curious to hear if anyone can speak to how this compares
| to:
|
| - Citus columnar storage for Postgres, now owned by Microsoft
|
| - Amazon Aurora PostgreSQL compatibility layer
|
| - Timescale hypertables
| mattashii wrote:
| both of the mentioned features from Citus and Timescale are
| extensions on PostgreSQL, so they do not alter the way storage
| works in PostgreSQL in any meaningful manner.
|
| AlloyDB Seems better compared to Aurora, and they seem to share
| a significant amount of design principles with log-shipping,
| but now with an extra caching layer at or near the database
| instance.
|
| As for the 'columnar' features, from the release post it seems
| like AlloyDB does not specifically store the data at rest in a
| columnar format, but transforms the rows into columnar for
| analytical queries (but I'm not sure about that). That indeed
| improves performance of certain classes of queries.
| Ataraxy wrote:
| Unfortunately this seems to be expensive for arbitrary use.
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