Viewing profile — nikita
nikita
HN member- Joined
- Tue, Oct 19, 2010, 5:38 AM UTC
- HN karma
- 1,695
- Public activity
- 471 items
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About nikita
Recent public activity
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Comment #48786631
If you product is CDC based (peerdb) you don’t want storage to support this :) This architecture is better for OLTP because all maintenance operations are moved to storage AND it h…
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Comment #48786227
Conversion is async. The whole point is to never deal with CDC which is error prone and taxing Postgres with occupying a replication slot and burning memory and cpu in the OLTP sys…
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Comment #48786156
Recent data plus working set is always in Postgres page format. Historical data when pushed to s3 is in parquet. This happens async - not on the transaction hot path. So older data…
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Comment #48785859
Safekeepers keep a window of WAL in Postgres WAL format and doesn’t have an external API. It streams WAL to pageservers and Postgres read replicas
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Comment #48098734
* Rate limiting on proxy in front of compute fleet * Large tenants are broken up into shards, reducing hotspots * Each shard is throttled to a fixed req/s rate * We do not run page…
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Comment #48088785
Generally the more throughput the system supports the better. In this case we were hitting limits (btw each operation is many queries of different sizes) and the customer observed …
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Comment #48087538
Lakebase is referring to the fact that in addition to disaggregated storage s3 is authoritative storage for older data. Since data is on s3 (or lake) you can perform direct to s3 t…
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Comment #48087477
Lakebase is OLTP.
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Comment #48086820
We provide you fully managed Postgres. Lots of our customers use it for lots of small instances of Postgres since using Lakebase is so lightweight. Small and large instances benefi…
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Comment #48086801
This applies to our storage implementation. In Lakebase architecture storage serves pages and it doesn't always have the most recent version of the page and therefore it reconstruc…
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Comment #48086765
This specific perf improvement is orthogonal to HA. However generally disaggregating storage makes HA simpler and allows for things like zero downtime patching: https://www.databri…
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Comment #48085908
I'm a VP on Databricks and former CEO of Neon. Happy to answer performance related or any other questions here.
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Comment #44587646
replit
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Comment #44138807
(Neon CEO) Not really. OrioleDB solve the vacuum problem with the introduction of the undo log. Neon gives you scale out storage which is in a way orthogonal to OrielDB. With some …
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Comment #43415381
One of the services that can replace the fauna service is DocumentDB Postgres plugin (+proxy that is not open sourced yet, but will be shortly). It's available on Azure, but I can …
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Comment #43297793
This is an exciting project. Few highlights: - Query processor is DuckDB - as long as it translates PG type system to DuckDB typesystem well - it will be very fast. - Data is store…
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Comment #43013527
The word is it's a serious effort on the part of Microsoft. It's missing a MongoDB wire protocol which they plan to opensource as well. In the meantime it's possible to use FerretD…
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Comment #42702051
Oh, that's coming very very soon! London and San Paolo. Def in Q1.
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Comment #42699108
(neon ceo). What region are you in?
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Comment #42271045
I remember having a hard time solving this in my first year of college. This is really impressive. So I have this problem here: given that for positive integers m and n, 0 ≤ x[m + …
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