Scaling Postgres Episode 137 Toast Impact | zheap Storage | More Performance | pg_rewind Changes 

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In this episode of Scaling Postgres, we discuss the impact of toast, zheap storage results, more Postgres 13 performance data and changes to pg_rewind.
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Timestamps:
00:00 - Intro
00:27 - Statement from the PostgreSQL Core Team on the EDB acquisition of 2ndQuadrant
01:17 - The Surprising Impact of Medium-Size Texts on PostgreSQL Performance
08:47 - zheap: Inspecting storage sizes
12:06 - Postgres 13 Performance with OpenStreetMap data
13:29 - TPC-H performance since PostgreSQL 8.3
15:08 - pg_rewind changes in PostgreSQL 13
16:23 - Data consistency issues in logical replication
18:27 - Logical Replication Upgrade in Postgres
18:59 - How to Upgrade PostgreSQL 11 to PostgreSQL 12 with Zero Downtime
19:18 - Using PostgreSQL to Shape and Prepare Scientific Data
19:57 - The way PG store null value in record
20:27 - Free Space Mapping file in details
20:38 - Damien Clochard
20:50 - Outro
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