Michael Christofides

Michael Christofides

Founder of pgMustard

Appears in 156 Episodes

pgvector

pgvector

Michael is joined by Jonathan Katz, PostgreSQL Core Team member, Principle Product Manager at AWS, and also pgvector contributor, to discuss pgvector. They cover what ...

pgBadger

pgBadger

Michael is joined by Alicja Kucharczyk, Program Manager for Azure Database for PostgreSQL at Microsoft and organiser of the Warsaw PostgreSQL User Group, to discuss Al...

EXPLAIN

EXPLAIN

With Nikolay taking a well-earned break, Michael covers the basics of EXPLAIN — what it is, the parameters available, and a process he recommends for using it. Here ar...

Partitioning by ULID

Partitioning by ULID

Nikolay and Michael discuss partitioning by ULID — revisiting some of the old UUID vs bigint key debate in light of some new UUID specs, and how these can be used for ...

Hash indexes

Hash indexes

Nikolay and Michael discuss hash indexes in Postgres — what they are, some brief history, their pros and cons vs btrees, and whether or when they recommend using them....

Constraints

Constraints

Nikolay and Michael discuss PostgreSQL constraints — the six different types we have, how to add and modify them, including on large tables with high TPS.  Here are so...

Events

Events

Nikolay and Michael discuss PostgreSQL events — whether in-person or online, large conferences or small meet-ups, as well as some strong opinions based on their experi...

Subtransactions

Subtransactions

Nikolay and Michael discuss PostgreSQL subtransactions — what they are, and four issues they can cause at scale.  Here are some links to things they mentioned:Subtrans...

Companion databases

Companion databases

Nikolay and Michael discuss companion databases — when and why you might want to add another database management system to your stack (or not), and some specifics for ...

Blue-green deployments

Blue-green deployments

Nikolay and Michael discuss blue-green deployments — specifically an RDS blog post, how similar this is (or not) to what they understand to be blue-green deployments, ...

Data model trade-offs

Data model trade-offs

Nikolay and Michael discuss data model trade-offs — some cases where you might want to (gasp) de-normalize, and which PostgreSQL internals are at play.  Here are some ...

Under-indexing

Under-indexing

Nikolay and Michael discuss under-indexing — how to tell if this applies to you, some general and specific cases, as well as some tricky ones.  Here are some links to ...

Over-indexing

Over-indexing

Nikolay and Michael discuss over-indexing — what we mean by it, the regular issues people discuss about it, as well as a novel one Nikolay has come across and benchmar...

Query hints

Query hints

Nikolay and Michael discuss query hints — what they are, what we do and don't have in PostgreSQL, and some other things in and around the ecosystem to be aware of.  He...

Backups

Backups

Nikolay and Michael discuss Postgres backups — why we need them, what the options are, whether a dump is a backup or not, and some considerations for lowering RPO and ...

Postgres 16

Postgres 16

Nikolay and Michael discuss the release of PostgreSQL 16 — the most important new features, what they mean for us as users, whether and when to upgrade, and more. Here...

Logical replication

Logical replication

Nikolay and Michael discuss logical replication — some history, initialization, change data capture, how to scale it, some limitiations, and ways that it is getting be...

Our favourite v16 feature

Our favourite v16 feature

Nikolay and Michael discuss their favourite feature each from the upcoming PostgreSQL 16 release. Here are some links to some things they mentioned:v16 draft release n...

Connections

Connections

Nikolay and Michael discuss connections — the options, security and performance tradeoffs, and a few other things to be aware of. Here are some links to some things th...

Decoupled storage and compute

Decoupled storage and compute

Nikolay and Michael discuss a listener question — about products that take Postgres and transform it to something that decouples compute from storage (RDS Aurora, GC A...

Some kind things our listeners have said